What is Gary Hollenberg's specialty?

Gary Hollenberg (NPI 1417983545) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Rochester, NY.

Where does Gary Hollenberg practice?

Gary Hollenberg practices in Rochester, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1417983545.

How much does Medicare pay Gary Hollenberg?

Gary Hollenberg (NPI 1417983545) received approximately $37K in total Medicare Part B payments, serving 923 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1417983545

Gary HollenbergM.D.

PRACTICEUNIVERSITY MEDICAL IMAGING PCSee all providers at this practice →

Diagnostic RadiologyRochester, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

762

Unique beneficiaries

—

Total services

777

Distinct HCPCS

Medicare payment

$30K

Peer benchmark

Total Medicare services vs. 2,489 Diagnostic Radiology providers in NY — bottom quintile (cohort median 3,110).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

82.7

Quality

71.8

Cost

56.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.33%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$24

Payment records

By payment type

Food and Beverage$24

Top paying entities

Food and Beverage$24

REFERRAL NETWORK

Where Gary Hollenberg'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). 25 inbound referrers · 65 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UNIVERSITY OF ROCHESTER	519	1,260
ROCHESTER GENERAL HOSPITAL	67	131
National Ambulance & Oxygen Service, Inc. Ambulance Service Provider · Rochester, NY	41	97
James Eichelberger Cardiology · Rochester, NY	33	44
ACM MEDICAL LABORATORY INC	28	55
RICHESON, JOHN	28	43
Hani Rashid Urology · Rochester, NY	21	36
Axel Wismueller Diagnostic Radiology · Rochester, NY	20	31
Karl Schwarz Cardiology · Rochester, NY	20	30
Ravinder Sidhu Diagnostic Radiology · Rochester, NY	20	35
Gregory Dieudonne Diagnostic Radiology · Rochester, NY	20	39
Gwy Suk Seo Diagnostic Radiology · Aurora, CO	18	47

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF ROCHESTER	362	889
HIGHLAND HOSPITAL OF ROCHESTER	107	195
ROCHESTER GENERAL HOSPITAL	52	84
Abhishek Chaturvedi Diagnostic Radiology · Rochester, NY	50	115
Susan Hobbs Diagnostic Radiology · Rochester, NY	40	73
Gerald Holzwasser Diagnostic Radiology · Rochester, NY	36	93
RICHESON, JOHN	33	66
WORMER, DUNCAN	28	51
James Eichelberger Cardiology · Rochester, NY	26	48
WANDTKE, JOHN	25	48
Daniel O'connor Diagnostic Radiology · Rochester, NY	24	41
Karl Schwarz Cardiology · Rochester, NY	24	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