Yefim Ornstein M. D. P.C.
NPI 1275602203 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yefim Ornstein M. D. P.C. is a Internal Medicine Physician organization in Brooklyn, NY (NPI 1275602203).
Provider details
- NPI number
- 1275602203
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Yefim Ornsyein, President(718) 376-2727
- License
- 218164 (NY)
Specialties & taxonomies
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
- 2006-11-06
- Last updated
- 2020-08-22
Frequently asked questions
- What is Yefim Ornstein M. D. P.C.'s NPI number?
- Yefim Ornstein M. D. P.C.'s National Provider Identifier (NPI) is 1275602203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Yefim Ornstein M. D. P.C.?
- Yefim Ornstein M. D. P.C. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yefim Ornstein M. D. P.C. located?
- Yefim Ornstein M. D. P.C.'s practice location on file with NPPES is 2072 Ocean Ave, Brooklyn, NY 11230-7379.
- What is Yefim Ornstein M. D. P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Yefim Ornstein M. D. P.C. is (718) 376-2727.
- Does Yefim Ornstein M. D. P.C. accept Medicare?
- Yefim Ornstein M. D. P.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Yefim Ornstein M. D. P.C.?
- The authorized official listed on Yefim Ornstein M. D. P.C.'s NPPES record is Yefim Ornsyein, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Yefim Ornstein M. D. P.C.'s NPI active?
- Yes — Yefim Ornstein M. D. P.C.'s NPI (1275602203) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.