Stephen Bernstein, MD
NPI 1457420333 · Cardiovascular Disease Physician · Syosset, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Bernstein, MD is a Cardiovascular Disease Physician provider in Syosset, NY (NPI 1457420333).
Provider details
- NPI number
- 1457420333
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1405422 (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
- 2006-11-07
- Last updated
- 2025-09-11
Frequently asked questions
- What is Stephen Bernstein's NPI number?
- Stephen Bernstein's National Provider Identifier (NPI) is 1457420333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Bernstein's specialty?
- Stephen Bernstein is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Bernstein located?
- Stephen Bernstein's practice location on file with NPPES is 8 Greenfield Road, Syosset, NY 11791.
- What is Stephen Bernstein's phone number?
- The practice phone number listed in the NPPES registry for Stephen Bernstein is (516) 496-7900.
- Does Stephen Bernstein accept Medicare?
- Stephen Bernstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Bernstein's NPI active?
- Yes — Stephen Bernstein's NPI (1457420333) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.