
45 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Bernstein, Rheumatologist in Stony Brook, NY?
Dr. Mark Bernstein, MD is a Rheumatologist, who primarily practices in Stony Brook, NY with 1 additional practice location. He has been practicing for over 45 years and is board certified. 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 as a 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 a Rheumatologist like Dr. Bernstein typically 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. Learn more about our claims-based healthcare methodology.
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:
- 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:
- Lupus
- Systemic lupus erythematosus
- SLE
- Disseminated lupus erythematosus
ICD-10 Codes:
- M329: Systemic lupus erythematosus, unspecified
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:
- Ulcerative Colitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
ICD-10 Codes:
- K51918: Ulcerative colitis, unspecified with other complication
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:
- 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:
- 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:
- Osteoarthritis
- Degenerative Joint Disease
- Wear-and-Tear Arthritis
- Joint Degeneration
ICD-10 Codes:
- M1990: Unspecified osteoarthritis, unspecified site
What procedures does a Rheumatologist like Dr. Bernstein typically perform?
As a Rheumatologist, procedures performed by Dr. Mark Bernstein may include:
- Abnormal ANA Testing
- Arthrocentesis
- Denosumab Injection
- Joint Aspiration
- Joint Injections
- Rheumatology Consultation
- Rheumatology Follow Up
- Viscosupplement Injections
Please contact Dr. Bernstein's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
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
CVS Health (formerly Aetna)
Federal government of the United States
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
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.
What does a Rheumatologist do?
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.
Is this Dr. Mark Bernstein affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Bernstein is affiliated with Olean General Hospital, Carson Tahoe Regional Medical Center, Renown Regional Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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
When to see a Rheumatologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Rheumatologist. Explore 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.
Other Rheumatologist Near Stony Brook, NY
DC
Rheumatologist
Dr. Davina Chen, DO is a Rheumatologist, who primarily practices in Mount Kisco, NY with 2 additional practice locations.
Mount Kisco, NY

Dr. Asha Patnaik, MD is a Rheumatologist, who primarily practices in Lake Grove, NY. She is board certified.

Stony Brook Internists - Rheumatology
Advanced Care Specialty, 4 Smith Haven Mall
Lake Grove, NY 11755
AA
Rheumatologist
Dr. Abdullah Ahmed is a Rheumatologist, who primarily practices in East Setauket, NY with 2 additional practice locations.
East Setauket, NY