Yefim Ornstein, M.D.
NPI 1023050473 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yefim Ornstein, M.D. is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1023050473).
Provider details
- NPI number
- 1023050473
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 218264 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
6,195 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 912 | $128 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 694 | $48 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 631 | $110 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 543 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 526 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 199 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,327 | 211 |
| Apixabanbrand: Eliquis | 609 | 63 |
| Levothyroxine Sodium | 606 | 87 |
| Metoprolol Succinate | 605 | 95 |
| Amlodipine Besylate | 573 | 92 |
| Tamsulosin Hcl | 402 | 71 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-11
- Last updated
- 2010-07-08
Frequently asked questions
- What is Yefim Ornstein's NPI number?
- Yefim Ornstein's National Provider Identifier (NPI) is 1023050473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yefim Ornstein's specialty?
- Yefim Ornstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yefim Ornstein located?
- Yefim Ornstein's practice location on file with NPPES is 2072 Ocean Ave, Brooklyn, NY 11230-7379.
- What is Yefim Ornstein's phone number?
- The practice phone number listed in the NPPES registry for Yefim Ornstein is (718) 376-2727.
- Does Yefim Ornstein accept Medicare?
- Yefim Ornstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yefim Ornstein's NPI active?
- Yes — Yefim Ornstein's NPI (1023050473) is active in the NPPES registry as of the last update on 2010-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.