The 20 Best Protein S Deficiency Doctors Near Me in West Chester, PA

Find the Top Protein S Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 49 doctor with experience in Protein S Deficiency near West Chester, PA. Of these, 43 are Experienced, 5 are Advanced and 1 are Distinguished.

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49 providers found
    Distinguished in Protein S Deficiency
    Hematology | Oncology
    Distinguished in Protein S Deficiency
    Hematology | Oncology

    Abramson Cancer Center Kennett Square

    400 McFarlan Road, Suite 300, 
    Kennett Square, PA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    James Patterson is a Hematologist and an Oncologist practicing medicine in Kennett Square, Pennsylvania. Dr. Patterson is rated as a Distinguished provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 66 other conditions, according to our data. His clinical expertise encompasses Immune Thrombocytopenic Purpura (ITP), Adult Immune Thrombocytopenia, Thrombocytopenia, and Hemangioma Thrombocytopenia Syndrome. Dr. Patterson is board certified in Hematology, 2001 and Medical Oncology, 2000. Dr. Patterson is currently accepting new patients.

    Advanced in Protein S Deficiency
    Family Medicine
    Advanced in Protein S Deficiency
    Family Medicine

    Mary Lisa Gunning, MD

    19 Turner Lane, 
    West Chester, PA 
     (1.9 miles away)
    Languages Spoken:
    English

    Mary Gunning is a primary care provider, practicing in Family Medicine in West Chester, Pennsylvania. Dr. Gunning is rated as an Advanced provider by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Protein C Deficiency, Hereditary Resistance to Anti-Vitamin K, Pacemaker Implantation, and Ureteroscopy. Dr. Gunning is board certified in Family Medicine, 1988.

    Advanced in Protein S Deficiency
    Hematology | Oncology
    Advanced in Protein S Deficiency
    Hematology | Oncology

    Abramson Cancer Center Exton

    700 West Lincoln Highway, Suite 720,The Commons At Oaklands, 
    Exton, PA 
     (5.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Costello is a Hematologist and an Oncologist practicing medicine in Exton, Pennsylvania. Dr. Costello is rated as an Advanced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 50 other conditions, according to our data. His clinical expertise encompasses Lymphofollicular Hyperplasia, Childhood Iron Deficiency Anemia, Small Cell Lung Cancer (SCLC), and Lung Adenocarcinoma. Dr. Costello is board certified in Hematology, 2011 and Medical Oncology, 2011. Dr. Costello is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Protein S Deficiency
    Hematology | Oncology
    Advanced in Protein S Deficiency
    Hematology | Oncology

    Abramson Cancer Center Kennett Square

    400 McFarlan Road, Suite 300, 
    Kennett Square, PA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sunil Saroha is a Hematologist and an Oncologist practicing medicine in Kennett Square, Pennsylvania. Dr. Saroha is rated as an Advanced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 81 other conditions, according to our data. His clinical expertise encompasses Non-Hodgkin Lymphoma, Chronic Lymphocytic Leukemia (CLL), Idiopathic Neutropenia, and Thrombocytopenia. Dr. Saroha is board certified in Hematology, 2011 and Medical Oncology, 2011. Dr. Saroha is currently accepting new patients.

    Advanced in Protein S Deficiency
    Hematology | Oncology
    Advanced in Protein S Deficiency
    Hematology | Oncology

    Abramson Cancer Center Kennett Square

    400 McFarlan Road, Suite 300, 
    Kennett Square, PA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Maureen Hewitt is a Hematologist and an Oncologist practicing medicine in Kennett Square, Pennsylvania. Dr. Hewitt is rated as an Advanced provider by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 37 other conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Cholangiocarcinoma (Bile Duct Cancer), and Inflammatory Breast Cancer. Dr. Hewitt is board certified in Medical Oncology, 2008. Dr. Hewitt is currently accepting new patients.

    Experienced in Protein S Deficiency
    Internal Medicine
    Experienced in Protein S Deficiency
    Internal Medicine

    PentaHealth Internal Medicine West Chester

    520 Maple Ave Ste 4, 
    West Chester, PA 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Douglas Atlas is a primary care provider, practicing in Internal Medicine in West Chester, Pennsylvania. Dr. Atlas is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, High Cholesterol, Osteomyelitis in Children, and Obesity.

    Experienced in Protein S Deficiency
    Internal Medicine
    Experienced in Protein S Deficiency
    Internal Medicine

    PentaHealth Internal Medicine West Chester

    520 Maple Ave Ste 4, 
    West Chester, PA 
     (0.7 miles away)
    Languages Spoken:
    English

    Jean Stretton is a primary care provider, practicing in Internal Medicine in West Chester, Pennsylvania. Dr. Stretton is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses High Cholesterol, Breast Cancer, Osteomyelitis in Children, and Type 2 Diabetes (T2D).

    Experienced in Protein S Deficiency
    Family Medicine
    Experienced in Protein S Deficiency
    Family Medicine

    Manos Family Practice

    915 Old Fern Hill Road, Building D, Suite 500, 
    West Chester, PA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Antoninus Manos is a primary care provider, practicing in Family Medicine in West Chester, Pennsylvania. Dr. Manos is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Chronic Myelomonocytic Leukemia (CMML), Epilepsy, Thrombocytopenia, and Memory Loss. Dr. Manos is board certified in Family Medicine, 1991. Dr. Manos is currently accepting new patients.

    Experienced in Protein S Deficiency
    Experienced in Protein S Deficiency

    Chester County Hematology Oncology

    440 E Marshall St Ste 201, 
    West Chester, PA 
     (1.9 miles away)
    Languages Spoken:
    English

    Dennis Berman is an Oncologist practicing medicine in West Chester, Pennsylvania. Dr. Berman is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Testicular Yolk Sac Tumor, and Ovarian Carcinosarcoma.

    Experienced in Protein S Deficiency
    Family Medicine
    Experienced in Protein S Deficiency
    Family Medicine

    PentaHealth Family Practice West Chester

    1240 Wrights Lane, 
    West Chester, PA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Charles Catania is a primary care provider, practicing in Family Medicine in West Chester, Pennsylvania. Dr. Catania is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Type 2 Diabetes (T2D), Coronary Heart Disease, Ureteroscopy, and Endoscopy. Dr. Catania is board certified in Family Medicine, 2012. Dr. Catania is currently accepting new patients.

    Experienced in Protein S Deficiency
    Family Medicine
    Experienced in Protein S Deficiency
    Family Medicine

    PentaHealth Family Practice West Chester

    1240 Wrights Ln, 
    West Chester, PA 
     (2.6 miles away)
    Languages Spoken:
    English

    Brian Boucher is a primary care provider, practicing in Family Medicine in West Chester, Pennsylvania. Dr. Boucher is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Obesity, Osteomyelitis in Children, and Type 2 Diabetes (T2D).

    Experienced in Protein S Deficiency
    Family Medicine
    Experienced in Protein S Deficiency
    Family Medicine

    PentaHealth Family Practice West Chester

    1240 Wrights Ln, 
    West Chester, PA 
     (2.6 miles away)
    Languages Spoken:
    English

    George Limpert is a primary care provider, practicing in Family Medicine in West Chester, Pennsylvania. Dr. Limpert is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Shingles, Familial Hypertension, Hypertension, and Endoscopy.

    Experienced in Protein S Deficiency
    Family Medicine
    Experienced in Protein S Deficiency
    Family Medicine

    PentaHealth Family Practice West Chester

    1240 Wrights Ln, 
    West Chester, PA 
     (2.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Madeline Wood is a primary care provider, practicing in Family Medicine in West Chester, Pennsylvania. Dr. Wood is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses High Cholesterol, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Protein S Deficiency
    Internal Medicine
    Experienced in Protein S Deficiency
    Internal Medicine

    PentaHealth Family Practice West Chester

    1240 Wrights Ln, 
    West Chester, PA 
     (2.6 miles away)
    Languages Spoken:
    English

    Karen Squire is a primary care provider, practicing in Internal Medicine in West Chester, Pennsylvania. Dr. Squire is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Osteomyelitis in Children, High Cholesterol, Type 2 Diabetes (T2D), and Familial Hypertension.

    Experienced in Protein S Deficiency
    Family Medicine
    Experienced in Protein S Deficiency
    Family Medicine

    PentaHealth Family Practice West Chester

    1240 Wrights Ln, 
    West Chester, PA 
     (2.6 miles away)
    Languages Spoken:
    English

    John Hornick is a primary care provider, practicing in Family Medicine in West Chester, Pennsylvania. Dr. Hornick is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Obesity, High Cholesterol, Type 2 Diabetes (T2D), and Osteomyelitis in Children.

    Experienced in Protein S Deficiency
    Family Medicine
    Experienced in Protein S Deficiency
    Family Medicine

    PentaHealth Family Practice West Chester

    1240 Wrights Ln, 
    West Chester, PA 
     (2.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sony John is a primary care provider, practicing in Family Medicine in West Chester, Pennsylvania. Dr. John is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Opisthotonos, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, and Muscle Spasms.

    Experienced in Protein S Deficiency
    Family Medicine
    Experienced in Protein S Deficiency
    Family Medicine

    Family Practice Associates Of Exton & Marshallton P.C.

    770 W Lincoln Hwy, 
    Exton, PA 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Michael Mcguire is a primary care provider, practicing in Family Medicine in Exton, Pennsylvania. Dr. Mcguire is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Bronchitis, Obesity, Osteomyelitis in Children, and Type 2 Diabetes (T2D).

    Experienced in Protein S Deficiency
    Family Medicine
    Experienced in Protein S Deficiency
    Family Medicine

    Family Practice Associates Of Exton & Marshallton P.C.

    770 W Lincoln Hwy, 
    Exton, PA 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Stephen Belfiglio is a primary care provider, practicing in Family Medicine in Exton, Pennsylvania. Dr. Belfiglio is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Sitosterolemia, Obesity, and Obesity in Children.

    Experienced in Protein S Deficiency
    Hematology | Oncology
    Experienced in Protein S Deficiency
    Hematology | Oncology

    Abramson Cancer Center Kennett Square

    400 McFarlan Road, Suite 300, 
    Kennett Square, PA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Maria Vershvovsky is a Hematologist and an Oncologist practicing medicine in Kennett Square, Pennsylvania. Dr. Vershvovsky is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Familial Pancreatic Cancer, Paget Disease of the Breast, Pleuropulmonary Blastoma, and Lung Cancer. Dr. Vershvovsky is board certified in Hematology, 2020, Medical Oncology, 2020, and Internal Medicine, 2017. Dr. Vershvovsky is currently accepting new patients.

    Experienced in Protein S Deficiency
    Hematology | Oncology
    Experienced in Protein S Deficiency
    Hematology | Oncology

    Abramson Cancer Center Kennett Square

    400 McFarlan Road, Suite 300, 
    Kennett Square, PA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Cheryl Johnson is a Hematologist and an Oncologist practicing medicine in Kennett Square, Pennsylvania. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Protein S Deficiency. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Intraductal Papilloma, and Cervical Cancer. Dr. Johnson is board certified in Medical Oncology, 1997 and Hematology, 1996. Dr. Johnson is currently accepting new patients.

    Showing 1-20 of 49

    Last Updated: 04/28/2026

    What is the definition of Protein S Deficiency?

    Protein S deficiency is a disorder that increases the risk of developing blood clots. People with protein S deficiency are at risk of developing a type of clot called a deep vein thrombosis (DVT) that occurs in the deep veins of the arms or legs. A DVT can travel through the bloodstream and lodge in the lungs, causing a life-threatening clot called a pulmonary embolism (PE). Both DVTs and PEs are a type of venous thromboembolism, a general term for blood clots that form in a vein. Factors such as age, surgery, immobility, or pregnancy can increase the risk of clotting in people with protein S deficiency. In addition, people who have protein S deficiency and another inherited blood clotting disorder may have a higher risk of developing blood clots. Venous thromboembolism occurs in approximately fifty to sixty percent of people with protein S deficiency.

    When should I see a Protein S Deficiency doctor near West Chester, PA?

    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 Protein S Deficiency doctor near West Chester, PA?

    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 Protein S Deficiency doctors near West Chester, PA?

    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 Protein S Deficiency doctors near West Chester, PA?

    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 Protein S Deficiency doctor near West Chester, PA?

    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 Protein S Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Protein S Deficiency 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 Protein S Deficiency doctor near West Chester, PA?

    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 Protein S Deficiency 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 Protein S Deficiency 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 Protein S Deficiency doctors near West Chester, PA?

    Look for the filter feature on the left side of the Protein S Deficiency 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 Protein S Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Protein S Deficiency 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 

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