What is Atif Zaman's specialty?

Atif Zaman (NPI 1003821513) is a Medicare-billing provider whose primary specialty is Gastroenterology in Portland, OR.

Where does Atif Zaman practice?

Atif Zaman practices in Portland, OR, based on the location reported in the CMS Medicare provider datasets for NPI 1003821513.

How much does Medicare pay Atif Zaman?

Atif Zaman (NPI 1003821513) received approximately $13K in total Medicare Part B payments, serving 132 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1003821513

Atif ZamanMD

PRACTICEPDX DOULASSee all providers at this practice →

GastroenterologyPortland, ORI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

151

Unique beneficiaries

—

Total services

154

Distinct HCPCS

Medicare payment

$7K

Peer benchmark

Total Medicare services vs. 181 Gastroenterology providers in OR — bottom quintile (cohort median 655).

PRESCRIBING · PART D · 2024

Total Rx claims

701

Beneficiaries

—

Total drug cost

$104K

Distinct drugs

Brand share

11.1%

Top prescribed drugs

Tacrolimus160 claims

Azathioprine146 claims

Ursodiol85 claims

Mycophenolate Mofetil44 claims

Omeprazole41 claims

QUALITY · MIPS · 2024

Final MIPS score

99.1

Quality

84.3

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.01%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Atif Zaman'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). 0 inbound referrers · 6 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
OREGON HEALTH & SCIENCE UNIVERSITY	203	1,067
Alice Fung Diagnostic Radiology · Portland, OR	15	32
PRIMACK, STEVEN	14	38
PEACEHEALTH	12	61
Marc Gosselin Diagnostic Radiology · Dallas, TX	11	23
Cristina Fuss Diagnostic Radiology · Portland, OR	11	32

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