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Dr. Mark Bernstein, MD

Dr. Mark Bernstein, MD

Stony Brook, NY

45 Years of Experience

Accepting patients

    Who is Dr. Bernstein, Rheumatologist in Stony Brook, NY?

    Dr. Mark Bernstein, MD is a Rheumatologist, who primarily practices in Stony Brook, NY with 2 additional practice locations. He has been practicing for over 45 years and is board certified by the American Board of Internal Medicine. Dr. Bernstein graduated from University at Buffalo State University of New York School of Medicine & Biomedical Sciences and completed his residency at Univ Of Pittsburgh Med Ctr, Rheumatology; Univ Of Pittsburgh Med Ctr, Internal Medicine; Montefiore Univ Hosp/Upmc, Internal Medicine. Dr. Bernstein is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Bernstein’s office at (631) 689-7780.

    Where did Dr. Bernstein go to medical school and complete their residency?

    • Residency: Univ Of Pittsburgh Med Ctr, Rheumatology; Univ Of Pittsburgh Med Ctr, Internal Medicine; Montefiore Univ Hosp/Upmc, Internal Medicine

    • Medical School: University At Buffalo SUNY School Of Med and Biomedical Sciences Buffalo Ny | University at Buffalo State University of New York School of Medicine & Biomedical Sciences

    Is Dr. Bernstein board certified in Rheumatologist?

    Yes, Dr. Mark Bernstein, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Bernstein speak?

    Dr. Bernstein and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Bernstein treat?

    As a Rheumatologist, Dr. Bernstein diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Bernstein. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Suspected Exposure to Other Biological Agents Ruled Out
    • Other biohazard exposure cleared
    • No other biological agent exposure found
    • Other bioweapon exposure ruled out

    ICD-10 Codes:

    • Z03818: Encounter for observation for suspected exposure to other biological agents ruled out

    Also known as:

    • Rheumatoid Arthritis
    • RA
    • Chronic inflammatory arthritis
    • Autoimmune arthritis
    • Inflammatory joint disease
    • Chronic Inflammatory Arthritis
    • Autoimmune Arthritis

    ICD-10 Codes:

    • M069: Rheumatoid arthritis, unspecified
    • M0689: Other specified rheumatoid arthritis, multiple sites

    Also known as:

    • Severe Persistent Asthma
    • Asthma
    • Chronic Severe Asthma
    • Difficult-to-Treat Asthma
    • Severe Asthma

    ICD-10 Codes:

    • J4550: Severe persistent asthma, uncomplicated

    Also known as:

    • Lupus
    • Systemic lupus erythematosus
    • SLE
    • Disseminated lupus erythematosus

    ICD-10 Codes:

    • M329: Systemic lupus erythematosus, unspecified

    Also known as:

    • Ulcerative Colitis
    • Colitis
    • Inflammatory Bowel Disease (IBD)
    • Chronic Colitis

    ICD-10 Codes:

    • K51918: Ulcerative colitis, unspecified with other complication
    • K5190: Ulcerative colitis, unspecified, without complications
    • K5180: Other ulcerative colitis without complications

    Also known as:

    • Crohn's Disease
    • Crohn’s Disease
    • Regional Enteritis
    • Inflammatory Bowel Disease (IBD)
    • Terminal Ileitis

    ICD-10 Codes:

    • K5090: Crohn's disease, unspecified, without complications

    Also known as:

    • Age-Related Osteoporosis
    • Fractures
    • Osteoporosis
    • Senile Osteoporosis
    • Primary Osteoporosis
    • Bone Thinning from Aging

    ICD-10 Codes:

    • M810: Age-related osteoporosis without current pathological fracture

    Also known as:

    • Chronic Inflammatory Demyelinating Polyneuropathy
    • Peripheral Nerve Disorder
    • CIDP
    • Chronic Inflammatory Polyneuritis
    • Demyelinating Neuropathy

    ICD-10 Codes:

    • G6181: Chronic inflammatory demyelinating polyneuritis

    Also known as:

    • Common Variable Immunodeficiency (CVID)
    • Immune System and Disorder
    • Common variable immune deficiency
    • CVID
    • Acquired Hypogammaglobulinemia

    ICD-10 Codes:

    • D839: Common variable immunodeficiency, unspecified

    Also known as:

    • Osteoarthritis
    • Degenerative Joint Disease
    • Wear-and-Tear Arthritis
    • Joint Degeneration

    ICD-10 Codes:

    • M1990: Unspecified osteoarthritis, unspecified site

    Also known as:

    • Alpha-1 Antitrypsin Deficiency
    • AAT Deficiency
    • Alpha-1 Deficiency

    ICD-10 Codes:

    • E8801: Alpha-1-antitrypsin deficiency

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Psoriatic Arthritis
    • Psoriasis
    • Psoriatic joint inflammation
    • Arthritis with psoriasis
    • Psoriasis-related joint pain

    ICD-10 Codes:

    • L4050: Arthropathic psoriasis, unspecified

    Also known as:

    • Lyme Disease
    • Borreliosis
    • Tick-borne illness

    ICD-10 Codes:

    • A6920: Lyme disease, unspecified

    Also known as:

    • Chronic Hives
    • Hives
    • Hives of unknown cause
    • Spontaneous urticaria
    • Persistent welts

    ICD-10 Codes:

    • L501: Idiopathic urticaria

    Which procedures does Dr. Bernstein perform as a Rheumatologist?

    As a Rheumatologist, procedures performed by a Dr. Mark Bernstein may include:

    For detailed information, please contact Dr. Bernstein's office.

    Does Dr. Bernstein accept my insurance?

    Dr. Bernstein accepts most major insurance plans. Important: Please call our office at (631) 689-7780 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Bernstein accept in Stony Brook, NY?

    Dr. Bernstein in Stony Brook, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Shield of California

    • Department of Veterans Affairs

    • Elevance Health Inc. (formerly Anthem)

    View All Insurances

    Where is Dr. Bernstein's office located?

    Dr. Mark Bernstein's Primary Practice

    2500 Route 347 Bldg 8D

    Stony Brook, NY 11790

    (631) 689-7780

    Get Directions

    Dr. Mark Bernstein's Practice 2

    75 N Country Rd Ste 100

    Port Jefferson, NY 11777

    (631) 743-6840

    Get Directions

    Dr. Mark Bernstein's Practice 3

    2500 Nesconset Hwy Bldg 8D

    Stony Brook, NY 11790

    Get Directions

    What is Dr. Bernstein's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Bernstein's National Provider Identifier (NPI) number is 1710909502.

    What common questions do patients ask about Dr. Bernstein?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Bernstein

    What is Dr. Mark Bernstein's specialty?

    Dr. Bernstein is a Rheumatologist near Stony Brook, NY. An internist specializing in the treatment of diseases affecting the joints, muscles, bones, and tendons. This specialist diagnoses and manages conditions such as arthritis, back pain, muscle strains, common sports injuries, and collagen-related diseases. Contact Dr. Bernstein to book an appointment today.

    Is this Dr. Mark Bernstein affiliated with a ranked Castle Connolly Top Hospital?

    No, Bernstein is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Rheumatologist?

    Explore Rheumatologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Mark Bernstein accepting new patients in Stony Brook, NY?

    Yes, Dr. Mark Bernstein is accepting new patients at this time.

    Does Dr. Mark Bernstein offer online booking?

    Please contact Dr. Bernstein's office at (631) 689-7780 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Bernstein?

    Please contact Dr. Bernstein's office at (631) 689-7780 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mark Bernstein have?

    Dr. Mark Bernstein is certified by the American Board of Internal Medicine.

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