Mark Bernstein, MD
NPI 1710909502 · Rheumatology Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Bernstein, MD is a Rheumatology Physician provider in Stony Brook, NY (NPI 1710909502).
Provider details
- NPI number
- 1710909502
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1419400 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2010-06-29
Frequently asked questions
- What is Mark Bernstein's NPI number?
- Mark Bernstein's National Provider Identifier (NPI) is 1710909502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Bernstein's specialty?
- Mark Bernstein is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Bernstein located?
- Mark Bernstein's practice location on file with NPPES is 2500 Route 347, Stony Brook, NY 11790.
- What is Mark Bernstein's phone number?
- The practice phone number listed in the NPPES registry for Mark Bernstein is (631) 689-7780.
- Does Mark Bernstein accept Medicare?
- Mark Bernstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Bernstein's NPI active?
- Yes — Mark Bernstein's NPI (1710909502) is active in the NPPES registry as of the last update on 2010-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.