Robert Vigderman, M.D.
NPI 1831119478 · Internal Medicine Physician · Amherst, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Vigderman, M.D. is a Internal Medicine Physician provider in Amherst, MA (NPI 1831119478).
Provider details
- NPI number
- 1831119478
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 242581 (MA)
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
7,434 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 | 961 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 836 | $129 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 520 | $8 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 512 | $63 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 489 | $13 |
| Hemoglobin A1c Level83036 | 300 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 113 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 403 | 114 |
| Lisinopril | 247 | 70 |
| Losartan Potassium | 245 | 71 |
| Omeprazole | 213 | 69 |
| Tamsulosin Hcl | 205 | 56 |
| Amlodipine Besylate | 193 | 53 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2010-07-16
Frequently asked questions
- What is Robert Vigderman's NPI number?
- Robert Vigderman's National Provider Identifier (NPI) is 1831119478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Vigderman's specialty?
- Robert Vigderman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Vigderman located?
- Robert Vigderman's practice location on file with NPPES is 31 Hall Dr, Amherst, MA 01002-2751.
- What is Robert Vigderman's phone number?
- The practice phone number listed in the NPPES registry for Robert Vigderman is (413) 256-8561.
- Does Robert Vigderman accept Medicare?
- Robert Vigderman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Vigderman's NPI active?
- Yes — Robert Vigderman's NPI (1831119478) is active in the NPPES registry as of the last update on 2010-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.