What is Donald Baumstein's specialty?

Donald Baumstein (NPI 1902974447) is a Medicare-billing provider whose primary specialty is Nephrology in New York, NY.

Where does Donald Baumstein practice?

Donald Baumstein practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1902974447.

How much does Medicare pay Donald Baumstein?

Donald Baumstein (NPI 1902974447) received approximately $7K in total Medicare Part B payments, serving 30 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902974447

Donald BaumsteinM.D.

NephrologyNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

Total Medicare services vs. 690 Nephrology providers in NY — bottom quintile (cohort median 875).

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

$123

Payment records

By payment type

Food and Beverage$123

Top paying entities

Food and Beverage$123

REFERRAL NETWORK

Where Donald Baumstein'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). 12 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NEW YORK CITY HEALTH AND HOSPITALS CORPORATION	72	461
Savi Mushiyev Cardiology · Forest Hills, NY	26	256
Roger Carbajal Mendoza Hospitalist · Houston, TX	20	248
Andrew Kerr Diagnostic Radiology · New York, NY	19	153
Ashok Chaudhari Nephrology · New York, NY	17	393
Hussein Matari Diagnostic Radiology · Hoboken, NJ	15	114
Ferdinand Visco Internal Medicine · Elmhurst, NY	15	157
Noella Boma Internal Medicine · Bronx, NY	15	96
Paul Lajos Vascular Surgery · Amherst, NY	14	95
Jumana Chalabi Internal Medicine · New York, NY	13	56
Beata Popis-Matejak Pulmonary Disease · New York, NY	11	93
New York City Health And Hospitals Corporation Ambulance Service Provider · Brooklyn, NY	11	21

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