The 20 Best Paroxysmal Nocturnal Hemoglobinuria (PNH) Doctors Near Me in sewell, NJ

Find the Top Paroxysmal Nocturnal Hemoglobinuria (PNH) Experts and Specialists

Last Updated: 09/26/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 39 doctor with experience in Paroxysmal Nocturnal Hemoglobinuria (PNH) near sewell, NJ. Of these, 32 are Experienced, 4 are Elite and 3 are Advanced.

Location
LocationClose
39 providers found
    Elite in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Elite in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Referral may be required

    Abramson Cancer Center Perelman 4th Floor West

    3400 Civic Center Boulevard, West Pavilion, 4th Floor, 
    Philadelphia, PA 
     (12.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Daria Babushok is a Hematologist practicing medicine in Philadelphia, Pennsylvania. Dr. Babushok is rated as an Elite provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Aplastic Anemia, Paroxysmal Nocturnal Hemoglobinuria (PNH), Anemia, Bone Marrow Aspiration, and Bone Marrow Transplant. Dr. Babushok is board certified in Hematology, 2014. Dr. Babushok is currently accepting new patients.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Hematology | Hematology Oncology
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Hematology | Hematology Oncology
    Referral may be required

    Medical Oncology & Infusion Suite - 900 Medical Center Drive

    900 Medical Center Drive, Suite 200, 
    Sewell, NJ 
     (4.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Aziz Nazha is a Hematologist and a Hematologist Oncology provider practicing medicine in Sewell, New Jersey. Dr. Nazha is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Myelodysplastic Syndrome (MDS), Acute Myeloid Leukemia (AML), Leukemia, Bone Marrow Aspiration, and Bone Marrow Transplant. Dr. Nazha is board certified in Hematology/Oncology and Medical Oncology. Dr. Nazha is currently accepting new patients.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Internal Medicine
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Internal Medicine

    TeamHealth

    307 South Evergreen Avenue, 
    Woodbury, NJ 
     (5.0 miles away)
    Languages Spoken:
    English

    Shawn Keating is a primary care provider, practicing in Internal Medicine in Woodbury, New Jersey. Dr. Keating is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). His clinical expertise encompasses Paroxysmal Nocturnal Hemoglobinuria (PNH), Paroxysmal Cold Hemoglobinuria, Sickle Cell Disease, and Rhabdomyolysis. Dr. Keating is board certified in American Board Of Internal Medicine.

    Learn about our expert tiers
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Hematology | Oncology
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Hematology | Oncology
    Referral may be required

    The Minniti Center For Oncology And Hematology

    174 Democrat Rd, 
    Mickleton, NJ 
     (6.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tami Bach is a Hematologist and an Oncologist practicing medicine in Mickleton, New Jersey. Dr. Bach is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Non-Hodgkin Lymphoma, Non-Muscle Invasive Bladder Cancer, Muscle Invasive Bladder Cancer, and Thrombocytopenia. Dr. Bach is board certified in Medical Oncology, 2007 and Hematology, 2004. Dr. Bach is currently accepting new patients.

    Advanced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Advanced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Referral may be required

    Jefferson Cancer Honickman Center

    1101 Chestnut St, Fl 14, 
    Philadelphia, PA 
     (12.8 miles away)
    Languages Spoken:
    English, Turkish
    Accepting New Patients
    Offers Telehealth

    Seyfettin Alpdogan is an Oncologist practicing medicine in Philadelphia, Pennsylvania. Dr. Alpdogan is rated as an Advanced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Non-Hodgkin Lymphoma, Acute Myeloid Leukemia (AML), Cutaneous T-Cell Lymphoma (CTCL), Multiple Myeloma, and Bone Marrow Aspiration. Dr. Alpdogan is currently accepting new patients.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Hematology Oncology
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Hematology Oncology
    Referral may be required

    MD Anderson Cancer Center At Cooper - Camden

    2 Cooper Plaza, 
    Camden, NJ 
     (12.2 miles away)
    Languages Spoken:
    English

    Roger Strair is a Hematologist Oncology provider practicing medicine in Camden, New Jersey. Dr. Strair is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Acute Myeloid Leukemia (AML), Multiple Myeloma, Chronic B-Cell Leukemia (CBCL), Bone Marrow Transplant, and Bone Marrow Aspiration. Dr. Strair is board certified in American Board Of Internal Medicine,Medical Oncology , 1987, American Board Of Internal Medicine,Internal Medicine , 1984, and American Board Of Internal Medicine,Hematology , 1986.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Ophthalmology
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Ophthalmology
    Referral may be required

    Ophthalmology - Wills Eye Hospital

    840 Walnut Street, Floor 10, 
    Philadelphia, PA 
     (12.6 miles away)
    Languages Spoken:
    English, Mandarin
    Accepting New Patients

    Ping Huang is an Ophthalmologist practicing medicine in Philadelphia, Pennsylvania. Dr. Huang is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). Her clinical expertise encompasses Glaucoma, Cataract, Retinal Vasculopathy with Cerebral Leukodystrophy, and Coats Disease. Dr. Huang is board certified in Ophthalmology. Dr. Huang is currently accepting new patients.

    Advanced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Hematology
    Advanced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Hematology
    Referral may be required

    Penn Blood Disorders Center

    3400 Civic Center Boulevard, South Pavilion, 1st Floor, 
    Philadelphia, PA 
     (12.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Adam Cuker is a Hematologist practicing medicine in Philadelphia, Pennsylvania. Dr. Cuker is rated as an Advanced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), Adult Immune Thrombocytopenia, Splenectomy, and Knee Replacement. Dr. Cuker is board certified in Hematology, 2009. Dr. Cuker is currently accepting new patients.

    Advanced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Hematology | Oncology
    Advanced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Hematology | Oncology
    Referral may be required

    Office

    3500 Civic Center Blvd, 
    Philadelphia, PA 
     (12.8 miles away)
    Languages Spoken:
    English

    Timothy Olson is a Hematologist and an Oncologist practicing medicine in Philadelphia, Pennsylvania. Dr. Olson is rated as an Advanced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Aplastic Anemia, Anemia, Congenital Aplastic Anemia, Bone Marrow Transplant, and Splenectomy.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Referral may be required

    Jefferson Cancer - Honickman Center

    1101 Chestnut Street, Floor 14, 
    Philadelphia, PA 
     (12.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mercy George is an Oncologist practicing medicine in Philadelphia, Pennsylvania. Dr. George is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). Her clinical expertise encompasses Diffuse Large B-Cell Lymphoma (DLBCL), Large-Cell Immunoblastic Lymphoma, Anaplastic Large Cell Lymphoma, and B-Cell Lymphoma. Dr. George is board certified in Adult Health and Nurse Practitioner. Dr. George is currently accepting new patients.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Referral may be required

    Jefferson Hematology - Honickman Center

    1101 Chestnut Street, Floor 8, 
    Philadelphia, PA 
     (12.8 miles away)
    Languages Spoken:
    English, Arabic, French
    Accepting New Patients
    Offers Telehealth

    Sanaa Rizk is a Hematologist practicing medicine in Philadelphia, Pennsylvania. Dr. Rizk is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Sickle Cell Disease, Thrombocytopenia, Paroxysmal Cold Hemoglobinuria, and Anemia. Dr. Rizk is board certified in Hematology, Internal Medicine, and Medical Oncology. Dr. Rizk is currently accepting new patients.

    Hematology | Oncology
    Hematology | Oncology
    Referral may be required

    Abramson Cancer Center Penn Presbyterian

    51 N. 39th Street, Pavilion For Advanced Care, First Floor, 
    Philadelphia, PA 
     (13.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Arthur Feldman is a Hematologist and an Oncologist practicing medicine in Philadelphia, Pennsylvania. Dr. Feldman is rated as undefined provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Pleuropulmonary Blastoma, Essential Thrombocythemia, Monoclonal Gammopathy of Undetermined Significance (MGUS), and Schnitzler Syndrome. Dr. Feldman is board certified in Medical Oncology, 1979. Dr. Feldman is currently accepting new patients.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Internal Medicine
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Internal Medicine

    Virtua Our Lady Of Lourdes Hospital Inc

    1600 Haddon Ave, 
    Camden, NJ 
     (11.4 miles away)
    Languages Spoken:
    English

    Mohammed Mahdi is a primary care provider, practicing in Internal Medicine in Camden, New Jersey. Dr. Mahdi is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). His clinical expertise encompasses Unstable Angina, Anemia, Paroxysmal Cold Hemoglobinuria, and Acute Kidney Failure.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Referral may be required

    Majestic Center For Rehab & Sub-Acute Care

    2 Cooper Plz, 
    Camden, NJ 
     (12.2 miles away)
    Languages Spoken:
    English

    Kanu Sharan is an Oncologist practicing medicine in Camden, New Jersey. Dr. Sharan is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Inflammatory Breast Cancer, Angiosarcoma, Breast Cancer, and Paget Disease of the Breast.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Referral may be required

    Cooper University Health Care

    1 Cooper Plz, 
    Camden, NJ 
     (12.2 miles away)
    Languages Spoken:
    English

    Salman Assad is a Neurologist practicing medicine in Camden, New Jersey. Dr. Assad is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). His clinical expertise encompasses Stroke, Hiccups, Plantar Fasciitis, Lithotripsy, and Thrombectomy.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Medical Genetics
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Medical Genetics
    Referral may be required

    PA Hospital Of The University Of PA Health System

    800 Spruce St, 
    Philadelphia, PA 
     (12.4 miles away)
    Languages Spoken:
    English

    Salvatore Priore is a Medical Genetics provider practicing medicine in Philadelphia, Pennsylvania. Dr. Priore is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). His clinical expertise encompasses Pediatric Low-Grade Glioma (pLGG), Myeloproliferative Neoplasms (MPN), Nevoid Basal Cell Carcinoma Syndrome, and ALK-Positive Non-Small Cell Lung Cancer.

    Hematology | Oncology
    Hematology | Oncology
    Referral may be required

    Penn Hematology/Oncology Pennsylvania Hospital

    719 Manning St, Farm Journal Building, 2nd Floor, 
    Philadelphia, PA 
     (12.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Douglas Beach is a Hematologist and an Oncologist practicing medicine in Philadelphia, Pennsylvania. Dr. Beach is rated as undefined provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Inflammatory Breast Cancer, Angiosarcoma, Sickle Cell Disease, and Bone Marrow Aspiration. Dr. Beach is board certified in Medical Oncology, 2012 and Hematology, 2012. Dr. Beach is currently accepting new patients.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Referral may be required

    Penn Hematology/Oncology Voorhees

    200 Bowman Drive, Suite E125, 
    Voorhees, NJ 
     (12.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Rajan Singla is an Oncologist practicing medicine in Voorhees, New Jersey. Dr. Singla is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Squamous Cell Lung Carcinoma, Lung Adenocarcinoma, ALK-Positive Non-Small Cell Lung Cancer, and Small Cell Lung Cancer (SCLC). Dr. Singla is board certified in Medical Oncology, 2017, Internal Medicine, 2015, and Hematology, 2017. Dr. Singla is currently accepting new patients.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Referral may be required

    Abramson Cancer Center Perelman 4th Floor West

    3400 Civic Center Boulevard, West Pavilion, 4th Floor, 
    Philadelphia, PA 
     (12.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Alison Loren is a Hematologist practicing medicine in Philadelphia, Pennsylvania. Dr. Loren is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). She is also highly rated in 30 other conditions, according to our data. Her clinical expertise encompasses Acute Myeloid Leukemia (AML), Graft Versus Host Disease (GvHD), Myelodysplastic Syndrome (MDS), Bone Marrow Transplant, and Bone Marrow Aspiration. Dr. Loren is board certified in Medical Oncology, 2003 and Hematology, 2004. Dr. Loren is currently accepting new patients.

    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Nurse Practitioner | Hematology
    Experienced in Paroxysmal Nocturnal Hemoglobinuria (PNH)
    Nurse Practitioner | Hematology
    Referral may be required

    Abramson Cancer Center Perelman 4th Floor West

    3400 Civic Center Boulevard, West Pavilion, 4th Floor, 
    Philadelphia, PA 
     (12.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Tetyana Furmanets is a Nurse Practitioner specialist and a Hematologist practicing medicine in Philadelphia, Pennsylvania. Furmanets, NP is rated as an Experienced provider by MediFind in the treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH). She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Myeloproliferative Neoplasms (MPN), Aplastic Anemia, Childhood Acute Myeloid Leukemia, and Acute Myeloblastic Leukemia without Maturation. Furmanets, NP is board certified in Nurse Practitioner (Adult - Gerontology Primary Care), 2017. Furmanets, NP is currently accepting new patients.

    Showing 1-20 of 39

    Last Updated: 09/26/2026

    What is the definition of Paroxysmal Nocturnal Hemoglobinuria (PNH)?

    Paroxysmal nocturnal hemoglobinuria (PNH) is a rare disease in which red blood cells break down earlier than normal.

    When should I see a Paroxysmal Nocturnal Hemoglobinuria (PNH) doctor near sewell, NJ?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Paroxysmal Nocturnal Hemoglobinuria (PNH) doctor near sewell, NJ?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Paroxysmal Nocturnal Hemoglobinuria (PNH) doctors near sewell, NJ?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Paroxysmal Nocturnal Hemoglobinuria (PNH) doctors near sewell, NJ?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Paroxysmal Nocturnal Hemoglobinuria (PNH) doctor near sewell, NJ?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Paroxysmal Nocturnal Hemoglobinuria (PNH) doctor search results page. 

    Why is it important to get a second opinion from a different Paroxysmal Nocturnal Hemoglobinuria (PNH) doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Paroxysmal Nocturnal Hemoglobinuria (PNH) doctor near sewell, NJ?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Paroxysmal Nocturnal Hemoglobinuria (PNH) doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Paroxysmal Nocturnal Hemoglobinuria (PNH) doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Paroxysmal Nocturnal Hemoglobinuria (PNH) doctors near sewell, NJ?

    Look for the filter feature on the left side of the Paroxysmal Nocturnal Hemoglobinuria (PNH) doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Paroxysmal Nocturnal Hemoglobinuria (PNH) doctor that offers video calls?

    Look for the filter feature on the left-side of the Paroxysmal Nocturnal Hemoglobinuria (PNH) doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

    Read more about our Content Policy. 

    More Paroxysmal Nocturnal Hemoglobinuria (PNH) Doctors by city