What is Robert Vigderman's specialty?

Robert Vigderman (NPI 1831119478) is a Medicare-billing provider whose primary specialty is Internal Medicine in Amherst, MA.

Where does Robert Vigderman practice?

Robert Vigderman practices in Amherst, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1831119478.

How much does Medicare pay Robert Vigderman?

Robert Vigderman (NPI 1831119478) received approximately $265K in total Medicare Part B payments, serving 1,232 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1831119478

Robert VigdermanM.D.

Internal MedicineAmherst, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,438

Unique beneficiaries

—

Total services

7,589

Distinct HCPCS

Medicare payment

$253K

Peer benchmark

Total Medicare services vs. 3,978 Internal Medicine providers in MA — top quintile (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

5,922

Beneficiaries

—

Total drug cost

$461K

Distinct drugs

107

Brand share

19.1%

Top prescribed drugs

Atorvastatin Calcium403 claims

Lisinopril247 claims

Losartan Potassium245 claims

Omeprazole213 claims

Tamsulosin Hcl205 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Robert Vigderman's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
COOLEY DICKINSON HOSPITAL INC	169	641
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	129	369
David Rifken Diagnostic Radiology · Northampton, MA	46	88
John Erskine Podiatry · Amherst, MA	43	76
John Frangie Ophthalmology · Greenfield, MA	38	83
Andrew Ciccarelli Diagnostic Radiology · Northampton, MA	37	99
BAYSTATE MEDICAL CENTER INC	32	57
VNA & HOSPICE OF COOLEY DICKINSON INC	30	88
SAMALE, JENNIFER	27	78
Valley Medical Group, P.C. Clinical Laboratory · Easthampton, MA	27	58
NPI 1295798007	26	51
Town Of Amherst Ambulance Service Provider · Amherst, MA	26	63

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events