What is John Zimmerman's specialty?

John Zimmerman (NPI 1619973708) is a Medicare-billing provider whose primary specialty is Neurological Surgery in Traverse City, MI.

Where does John Zimmerman practice?

John Zimmerman practices in Traverse City, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1619973708.

How much does Medicare pay John Zimmerman?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for John Zimmerman (NPI 1619973708) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1619973708

John Zimmerman

Neurological SurgeryTraverse City, MII

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

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

No data available for this provider in 2025.

REFERRAL NETWORK

Where John Zimmerman'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Erica Oakley Internal Medicine · Traverse City, MI	50	328
MUNSON HEALTHCARE MANISTEE HOSPITAL	43	229
MUNSON HEALTHCARE GRAYLING	31	121
Ryan Holmes Diagnostic Radiology · Traverse City, MI	30	76
Clark Phelps Diagnostic Radiology · Traverse City, MI	29	70
KLEGMAN, STEVEN	29	70
Michelle Lung Interventional Radiology · Traverse City, MI	28	84
Wilfred Saldanha Internal Medicine · Traverse City, MI	24	139
James Shirley Diagnostic Radiology · Traverse City, MI	23	48
Daniel Boss Diagnostic Radiology · Traverse City, MI	22	55
NORTH FLIGHT INC	22	34
John Raymond Diagnostic Radiology · Manistee, MI	17	58

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