Nahum Vishniavsky, M.D.
NPI 1972555373 · Internal Medicine Physician · Wellesley, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nahum Vishniavsky, M.D. is a Internal Medicine Physician provider in Wellesley, MA (NPI 1972555373).
Provider details
- NPI number
- 1972555373
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 53814 (MA)
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
20 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 256 | 97 |
| Amlodipine Besylate | 131 | 58 |
| Lisinopril | 123 | 63 |
| Gabapentin | 101 | 57 |
| Omeprazole | 96 | 42 |
| Losartan Potassium | 94 | 43 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2020-11-17
- Certified
- 2020-11-17
Frequently asked questions
- What is Nahum Vishniavsky's NPI number?
- Nahum Vishniavsky's National Provider Identifier (NPI) is 1972555373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nahum Vishniavsky's specialty?
- Nahum Vishniavsky is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nahum Vishniavsky located?
- Nahum Vishniavsky's practice location on file with NPPES is 230 Worcester St, Wellesley, MA 02481-5420.
- What is Nahum Vishniavsky's phone number?
- The practice phone number listed in the NPPES registry for Nahum Vishniavsky is (781) 431-5460.
- Does Nahum Vishniavsky accept Medicare?
- Nahum Vishniavsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nahum Vishniavsky's NPI active?
- Yes — Nahum Vishniavsky's NPI (1972555373) is active in the NPPES registry as of the last update on 2020-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.