What is Mark Epstein's specialty?

Mark Epstein (NPI 1891760005) is a Medicare-billing provider whose primary specialty is Gastroenterology in Concord, MA.

Where does Mark Epstein practice?

Mark Epstein practices in Concord, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1891760005.

How much does Medicare pay Mark Epstein?

Mark Epstein (NPI 1891760005) received approximately $102K in total Medicare Part B payments, serving 355 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1891760005

Mark EpsteinM.D.

GastroenterologyConcord, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

453

Unique beneficiaries

—

Total services

510

Distinct HCPCS

Medicare payment

$66K

Peer benchmark

Total Medicare services vs. 483 Gastroenterology providers in MA — top quintile (cohort median 638).

PRESCRIBING · PART D · 2024

Total Rx claims

449

Beneficiaries

—

Total drug cost

$26K

Distinct drugs

Brand share

16.9%

Top prescribed drugs

Ondansetron Hcl118 claims

Omeprazole100 claims

Sod Sulf/Pot Chloride/Mag Sulf48 claims

Famotidine43 claims

Sucralfate38 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Mark Epstein'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). 11 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
David Sherman Pathology · Concord, MA	36	84
David Rose Diagnostic Radiology · Boston, MA	27	67
James Whalen Certified Registered Nurse Anesthetist (CRNA) · Concord, MA	18	37
INTRIERE, LISA	18	42
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	17	83
Dan Nir Diagnostic Radiology · Providence, RI	17	34
Catherine Wahl Woodward Certified Registered Nurse Anesthetist (CRNA) · Westwood, MA	16	36
Mark Moschella Anesthesiology · Concord, MA	16	37
Thomas Lamattina Cardiology · Concord, MA	13	34
Elizabeth Peters Diagnostic Radiology · Concord, MA	12	26
Elaine Sullivan Certified Registered Nurse Anesthetist (CRNA) · Acton, MA	11	26

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