Anna Lef, MD
NPI 1659477321 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Lef, MD is a Internal Medicine Physician provider in New York, NY (NPI 1659477321).
Provider details
- NPI number
- 1659477321
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 201280 (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
19 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
1,015 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 327 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 232 | $142 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 126 | $145 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 120 | $102 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 97 | $16 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 550 | 171 |
| Amlodipine Besylate | 287 | 78 |
| Levothyroxine Sodium | 198 | 53 |
| Rosuvastatin Calcium | 186 | 56 |
| Trazodone Hcl | 168 | 43 |
| Losartan Potassium | 168 | 57 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-16
- Last updated
- 2021-02-11
- Certified
- 2021-02-11
Frequently asked questions
- What is Anna Lef's NPI number?
- Anna Lef's National Provider Identifier (NPI) is 1659477321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Lef's specialty?
- Anna Lef is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anna Lef located?
- Anna Lef's practice location on file with NPPES is 215 E 95th St, New York, NY 10128-4077.
- What is Anna Lef's phone number?
- The practice phone number listed in the NPPES registry for Anna Lef is (212) 996-8000.
- Does Anna Lef accept Medicare?
- Anna Lef is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Lef's NPI active?
- Yes — Anna Lef's NPI (1659477321) is active in the NPPES registry as of the last update on 2021-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.