What is Stuart Warnaar's specialty?

Stuart Warnaar (NPI 1245235472) is a Medicare-billing provider whose primary specialty is Internal Medicine in Traverse City, MI.

Where does Stuart Warnaar practice?

Stuart Warnaar practices in Traverse City, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1245235472.

How much does Medicare pay Stuart Warnaar?

Stuart Warnaar (NPI 1245235472) received approximately $70K in total Medicare Part B payments, serving 246 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1245235472

Stuart WarnaarMD

PRACTICEMUNSON MEDICAL GROUPSee all providers at this practice →

Internal MedicineTraverse City, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

571

Unique beneficiaries

—

Total services

793

Distinct HCPCS

Medicare payment

$68K

Peer benchmark

Total Medicare services vs. 3,459 Internal Medicine providers in MI — above median (cohort median 549).

PRESCRIBING · PART D · 2024

Total Rx claims

10,308

Beneficiaries

—

Total drug cost

$984K

Distinct drugs

135

Brand share

21.2%

Top prescribed drugs

Atorvastatin Calcium637 claims

Losartan Potassium480 claims

Amlodipine Besylate461 claims

Levothyroxine Sodium431 claims

Lisinopril317 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Home health agency

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Stuart Warnaar'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). 46 inbound referrers · 77 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Ryan Holmes Diagnostic Radiology · Traverse City, MI	58	128
Clark Phelps Diagnostic Radiology · Traverse City, MI	49	95
Jesse Johnson Diagnostic Radiology · Traverse City, MI	45	117
Daniel Boss Diagnostic Radiology · Traverse City, MI	44	89
James Shirley Diagnostic Radiology · Traverse City, MI	42	94
NORTH FLIGHT INC	36	97
WILLIAMS, CHARLES	36	110
Farhaan Mir Diagnostic Radiology · Greensboro, NC	31	74
MUNSON HOME CARE	29	88
Anne Hepner Cardiology · Traverse City, MI	28	79
PAUL OLIVER MEMORIAL HOSPITAL	27	74
Stephen Vander Roest Emergency Medicine · Traverse City, MI	26	38

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MUNSON MEDICAL CENTER	422	2,765
Clark Phelps Diagnostic Radiology · Traverse City, MI	52	147
James Shirley Diagnostic Radiology · Traverse City, MI	48	121
MUNSON HOME CARE	45	129
NORTH FLIGHT INC	45	138
Daniel Boss Diagnostic Radiology · Traverse City, MI	43	124
Patrick Gartland Diagnostic Radiology · Traverse City, MI	40	103
KENNELL, TODD	39	105
Jesse Johnson Diagnostic Radiology · Traverse City, MI	38	103
SPACE, TODD	37	88
REGENTS OF THE UNIVERSITY OF MICHIGAN	35	41
Lafayette Richmond Diagnostic Radiology · Traverse City, MI	35	101

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