Leonid Volfinzon, M.D.
NPI 1952403933 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonid Volfinzon, M.D. is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1952403933).
Provider details
- NPI number
- 1952403933
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 198165 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,194 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,056 | $104 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 880 | $103 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 493 | $5 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 264 | $87 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 211 | $147 |
| 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 · 208 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 804 | 130 |
| Metoprolol Succinate | 763 | 112 |
| Amlodipine Besylate | 736 | 128 |
| Losartan Potassium | 708 | 105 |
| Rosuvastatin Calcium | 610 | 96 |
| Metformin Hcl | 416 | 70 |
| Diclofenac Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$404 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-01
- Last updated
- 2008-03-19
Frequently asked questions
- What is Leonid Volfinzon's NPI number?
- Leonid Volfinzon's National Provider Identifier (NPI) is 1952403933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonid Volfinzon's specialty?
- Leonid Volfinzon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leonid Volfinzon located?
- Leonid Volfinzon's practice location on file with NPPES is 728 Ocean View Ave, Brooklyn, NY 11235-6308.
- What is Leonid Volfinzon's phone number?
- The practice phone number listed in the NPPES registry for Leonid Volfinzon is (718) 787-0700.
- Does Leonid Volfinzon accept Medicare?
- Leonid Volfinzon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonid Volfinzon's NPI active?
- Yes — Leonid Volfinzon's NPI (1952403933) is active in the NPPES registry as of the last update on 2008-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.