What is Gregory Zimmermann's specialty?

Gregory Zimmermann (NPI 1972601409) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Hagerstown, MD.

Where does Gregory Zimmermann practice?

Gregory Zimmermann practices in Hagerstown, MD, based on the location reported in the CMS Medicare provider datasets for NPI 1972601409.

How much does Medicare pay Gregory Zimmermann?

Gregory Zimmermann (NPI 1972601409) received approximately $346K in total Medicare Part B payments, serving 3,421 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1972601409

Gregory ZimmermannM.D.

PRACTICEASSOCIATED RADIOLOGISTS, PASee all providers at this practice →

Diagnostic RadiologyHagerstown, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,474

Unique beneficiaries

—

Total services

20,781

Distinct HCPCS

Medicare payment

$307K

Peer benchmark

Total Medicare services vs. 630 Diagnostic Radiology providers in MD — top quintile (cohort median 5,711).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

95.8

Quality

95.1

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.88%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Gregory Zimmermann'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). 165 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Kevin Mccarthy Diagnostic Radiology · Eden Prairie, MN	240	304
Mansoor Husain Diagnostic Radiology · Hagerstown, MD	236	304
Robert Mazzei Diagnostic Radiology · Hagerstown, MD	180	234
Dean Notabartolo Cardiology · Hagerstown, MD	146	196
Shamim Dada Diagnostic Radiology · Hagerstown, MD	143	164
Candace Crist Emergency Medicine · Gettysburg, PA	131	184
Cambria Baylor Emergency Medicine · Hagerstown, MD	130	199
Jeffrey Jones Cardiology · Hagerstown, MD	123	164
Donald Vanwie Emergency Medicine · Baltimore, MD	118	172
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	117	157
Lisa Higginbotham Internal Medicine · Waynesboro, PA	115	232
Judith Njomo Hospitalist · Hagerstown, MD	112	204

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