What is John Holbrook's specialty?

John Holbrook (NPI 1932261161) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Atlanta, GA.

Where does John Holbrook practice?

John Holbrook practices in Atlanta, GA, based on the location reported in the CMS Medicare provider datasets for NPI 1932261161.

How much does Medicare pay John Holbrook?

John Holbrook (NPI 1932261161) received approximately $120K in total Medicare Part B payments, serving 2,289 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1932261161

John HolbrookM.D.

PRACTICENORTHSIDE RADIOLOGY ASSOCIATES LLCSee all providers at this practice →

Diagnostic RadiologyAtlanta, GAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,376

Unique beneficiaries

—

Total services

2,411

Distinct HCPCS

Medicare payment

$108K

Peer benchmark

Total Medicare services vs. 790 Diagnostic Radiology providers in GA — above median (cohort median 2,730).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

96.8

Quality

96.2

Cost

59.4

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.92%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where John Holbrook'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). 73 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CRAWFORD LONG HOSPITAL	304	427
John Roback Pathology · Atlanta, GA	96	157
Brent Little Diagnostic Radiology · Jacksonville, FL	59	103
Gerard Mcgorisk Internal Medicine · Atlanta, GA	46	76
Eugene Berkowitz Diagnostic Radiology · Atlanta, GA	41	58
William Auffermann Diagnostic Radiology · Atlanta, GA	41	69
Jason Weiden Diagnostic Radiology · Bronx, NY	39	60
Jefferson Baer Cardiology · Atlanta, GA	39	84
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	36	59
David Vadnais Cardiology · Atlanta, GA	34	56
Matthew Zygmont Diagnostic Radiology · Atlanta, GA	32	55
Karima Benameur Neurology · Germantown, TN	29	38

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