The 20 Best Primary Immunodeficiency (PID) Doctors Near Me in Portsmouth, NH

Find the Top Primary Immunodeficiency (PID) Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 34 doctor with experience in Primary Immunodeficiency (PID) near Portsmouth, NH. Of these, 33 are Experienced and 1 are Advanced.

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34 providers found
    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine
    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine

    Office

    49 Range Rd Ste 110, 
    Windham, NH 
    Languages Spoken:
    English
    Offers Telehealth

    Paul Macdonald is a primary care provider, practicing in Internal Medicine in Windham, New Hampshire. Dr. Macdonald is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Congenital Sucrase-Isomaltase Deficiency, Glucose Phosphate Isomerase Deficiency, Glucose-Galactose Malabsorption Deficiency, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Primary Immunodeficiency (PID)
    Family Medicine
    Experienced in Primary Immunodeficiency (PID)
    Family Medicine

    Office

    6 Tsienneto Rd Ste 100, 
    Derry, NH 
    Languages Spoken:
    English
    Offers Telehealth

    John Wheeler is a primary care provider, practicing in Family Medicine in Derry, New Hampshire. Dr. Wheeler is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 77 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Bronchitis, Obesity, and Osteomyelitis in Children.

    Experienced in Primary Immunodeficiency (PID)
    Family Medicine
    Experienced in Primary Immunodeficiency (PID)
    Family Medicine

    New England Molecular Imaging LLC

    160 S River Rd, 
    Bedford, NH 
    Languages Spoken:
    English

    James Fitzgerald is a primary care provider, practicing in Family Medicine in Bedford, New Hampshire. Dr. Fitzgerald is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Obesity, Congenital Syphilis, Seasonal Affective Disorder (SAD), and Obesity in Children.

    Learn about our expert tiers
    Advanced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Advanced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Referral may be required

    CH DHC Inc

    253 Pleasant St, 
    Concord, NH 
    Languages Spoken:
    English

    Sarah Black is an Allergy and Immunologist practicing medicine in Concord, New Hampshire. Dr. Black is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Systemic Mastocytosis, Common Variable Immune Deficiency, Hives, and Primary Immunodeficiency (PID).

    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine
    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine

    Mary Hitchcock Memorial Hospital

    1 Medical Center Dr, 
    Lebanon, NH 
    Languages Spoken:
    English

    Martha Elias is an Internal Medicine provider practicing medicine in Lebanon, New Hampshire. Dr. Elias is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Sinusitis, Chronic Spontaneous Urticaria (CSU), Vibratory Urticaria, and Hives.

    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Referral may be required

    Office

    51 Webb Pl Ste 230, 
    Dover, NH 
    Languages Spoken:
    English

    Barbara Deuell is an Allergy and Immunologist practicing medicine in Dover, New Hampshire. Dr. Deuell is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives.

    Experienced in Primary Immunodeficiency (PID)
    Family Medicine
    Experienced in Primary Immunodeficiency (PID)
    Family Medicine

    Office

    6 Tsienneto Rd Ste 100, 
    Derry, NH 
    Languages Spoken:
    English
    Offers Telehealth

    Douglas Dreffer is a primary care provider, practicing in Family Medicine in Derry, New Hampshire. Dr. Dreffer is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Obesity, Generalized Anxiety Disorder (GAD), Seasonal Affective Disorder (SAD), and Multisystem Inflammatory Syndrome in Children (MIS-C).

    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine
    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine

    Mary Hitchcock Memorial Hospital

    1 Medical Center Dr, 
    Lebanon, NH 
    Languages Spoken:
    English
    Offers Telehealth

    Erin Reigh is an Internal Medicine provider practicing medicine in Lebanon, New Hampshire. Dr. Reigh is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Sinusitis, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Angioedema, and Asthma.

    Experienced in Primary Immunodeficiency (PID)
    Family Medicine
    Experienced in Primary Immunodeficiency (PID)
    Family Medicine

    Office

    6 Tsienneto Rd Ste 100, 
    Derry, NH 
    Languages Spoken:
    English

    John Daley is a primary care provider, practicing in Family Medicine in Derry, New Hampshire. Dr. Daley is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Obesity, Type 2 Diabetes (T2D), Obesity in Children, and Hypertension.

    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine
    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine

    Southern New Hampshire Internal Medicine Associates PC

    6 Tsienneto Rd Ste 300, 
    Derry, NH 
    Languages Spoken:
    English
    Offers Telehealth

    Mark Richard is a primary care provider, practicing in Internal Medicine in Derry, New Hampshire. Dr. Richard is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, High Cholesterol, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Referral may be required

    Allergy Associates Of NH PA

    100 Griffin Rd Unit A, 
    Portsmouth, NH 
    Languages Spoken:
    English

    Kevin Roeloffs is an Allergy and Immunologist practicing medicine in Portsmouth, New Hampshire. Dr. Roeloffs is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Allergic Conjunctivitis.

    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Referral may be required

    Allergy Associates Of New Hampshire

    100 Griffin Rd Unit A, 
    Portsmouth, NH 
    Languages Spoken:
    English

    Aristomenis Kounavis is an Allergy and Immunologist practicing medicine in Portsmouth, New Hampshire. Dr. Kounavis is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives.

    Experienced in Primary Immunodeficiency (PID)
    Family Medicine
    Experienced in Primary Immunodeficiency (PID)
    Family Medicine

    Office

    49 Range Rd, 
    Windham, NH 
    Languages Spoken:
    English
    Offers Telehealth

    Rebecca Krasnof is a primary care provider, practicing in Family Medicine in Windham, New Hampshire. Dr. Krasnof is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Obesity, Obesity in Children, Autoerythrocyte Sensitivity, and Gardner-Diamond Syndrome.

    Experienced in Primary Immunodeficiency (PID)
    Hematology
    Experienced in Primary Immunodeficiency (PID)
    Hematology
    Referral may be required

    New England Cancer Specialists

    155 Borthwick Ave Ste 303, 
    Portsmouth, NH 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Devon Evans is a Hematologist practicing medicine in Portsmouth, New Hampshire. Dr. Evans is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 71 other conditions, according to our data. His clinical expertise encompasses Pleuropulmonary Blastoma, Lung Cancer, Familial Pancreatic Cancer, Astrocytoma, and Bone Marrow Aspiration. Dr. Evans is currently accepting new patients.

    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Referral may be required

    Allergy Associates Of NH PA

    100 Griffin Rd Unit A, 
    Portsmouth, NH 
    Languages Spoken:
    English

    Robert Hickey is an Allergy and Immunologist practicing medicine in Portsmouth, New Hampshire. Dr. Hickey is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives.

    Experienced in Primary Immunodeficiency (PID)
    Family Medicine
    Experienced in Primary Immunodeficiency (PID)
    Family Medicine

    Derry Medical Center At Windham

    49 Range Rd Ste 104, 
    Windham, NH 
    Languages Spoken:
    English

    Douglas Phelan is a primary care provider, practicing in Family Medicine in Windham, New Hampshire. Dr. Phelan is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Obesity, Type 2 Diabetes (T2D), Generalized Anxiety Disorder (GAD), and Obesity in Children.

    Experienced in Primary Immunodeficiency (PID)
    Family Medicine
    Experienced in Primary Immunodeficiency (PID)
    Family Medicine

    Office

    6 Tsienneto Rd Ste 100, 
    Derry, NH 
    Experience:
    17+ years
    Languages Spoken:
    English

    Anne Barlow is a primary care provider, practicing in Family Medicine in Derry, New Hampshire. She has been practicing medicine for over 17 years. Dr. Barlow is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Obesity, Obesity in Children, Type 2 Diabetes (T2D), Generalized Anxiety Disorder (GAD), and Intrauterine Device Insertion.

    Experienced in Primary Immunodeficiency (PID)
    Experienced in Primary Immunodeficiency (PID)
    Referral may be required

    New England Cancer Specialists

    155 Borthwick Ave Ste C, 
    Portsmouth, NH 
    Languages Spoken:
    English
    Accepting New Patients

    Nicholette Erickson is a Hematologist practicing medicine in Portsmouth, New Hampshire. Dr. Erickson is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 30 other conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Chronic Lymphocytic Leukemia (CLL), and Chronic B-Cell Leukemia (CBCL). Dr. Erickson is currently accepting new patients.

    Experienced in Primary Immunodeficiency (PID)
    Hematology
    Experienced in Primary Immunodeficiency (PID)
    Hematology
    Referral may be required

    Concord Hospital

    250 Pleasant St, 
    Concord, NH 
    Languages Spoken:
    English

    Josy Mathew is a Hematologist practicing medicine in Concord, New Hampshire. Dr. Mathew is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Pleuropulmonary Blastoma, Lung Cancer, Lung Adenocarcinoma, and EGFR Positive Lung Cancer.

    Experienced in Primary Immunodeficiency (PID)
    Experienced in Primary Immunodeficiency (PID)
    Referral may be required

    Dana-Farber/New Hampshire Oncology-Hematology

    40 Buttrick Rd # B, 
    Londonderry, NH 
    Languages Spoken:
    English
    Offers Telehealth

    Meredith Selleck is a Hematologist practicing medicine in Londonderry, New Hampshire. Dr. Selleck is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 44 other conditions, according to our data. Her clinical expertise encompasses B-Cell Lymphoma, Non-Hodgkin Lymphoma, Paget Disease of the Breast, and Lung Cancer.

    Showing 1-20 of 34

    Last Updated: 04/28/2026

    When should I see a Primary Immunodeficiency (PID) doctor near Portsmouth, NH?

    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 Primary Immunodeficiency (PID) doctor near Portsmouth, NH?

    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 Primary Immunodeficiency (PID) doctors near Portsmouth, NH?

    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 Primary Immunodeficiency (PID) doctors near Portsmouth, NH?

    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 Primary Immunodeficiency (PID) doctor near Portsmouth, NH?

    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 Primary Immunodeficiency (PID) doctor search results page. 

    Why is it important to get a second opinion from a different Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) doctor near Portsmouth, NH?

    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 Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) doctors near Portsmouth, NH?

    Look for the filter feature on the left side of the Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) doctor that offers video calls?

    Look for the filter feature on the left-side of the Primary Immunodeficiency (PID) 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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