What is Gilbert Fishbein's specialty?

Gilbert Fishbein (NPI 1528058666) is a Medicare-billing provider whose primary specialty is Anesthesiology in Marlborough, MA.

Where does Gilbert Fishbein practice?

Gilbert Fishbein practices in Marlborough, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1528058666.

How much does Medicare pay Gilbert Fishbein?

Gilbert Fishbein (NPI 1528058666) received approximately $25K in total Medicare Part B payments, serving 337 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1528058666

Gilbert FishbeinMD

AnesthesiologyMarlborough, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

337

Unique beneficiaries

—

Total services

338

Distinct HCPCS

Medicare payment

$25K

Peer benchmark

Total Medicare services vs. 1,419 Anesthesiology providers in MA — above median (cohort median 245).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Gilbert Fishbein'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). 16 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Central Massachusetts Ambulatory Endoscopy Center Llc Ambulatory Surgical Center · Leominster, MA	167	211
Middlesex Endoscopy Center Llc Ambulatory Surgical Center · Acton, MA	66	79
Min Soo Song Gastroenterology · Leominster, MA	47	79
Cohen Dermatopathology, P.C. Clinical Laboratory · Needham, MA	47	54
UMASS MEMORIAL HEALTHALLIANCE CLINTON HOSPITAL INC	39	72
Wankin Yu Gastroenterology · Leominster, MA	35	46
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	32	55
LAKEWOOD PATHOLOGY ASSOCIATES, INC.	24	26
BROCKTON HOSPITAL, INC.	20	25
Elizabeth Mcginnis Certified Registered Nurse Anesthetist (CRNA) · Weymouth, MA	18	29
BRAGDON, MARION	17	17
Boston Endoscopy Center, Llc Ambulatory Surgical Center · Wellesley Hills, MA	16	17

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