What is Philip Zimmermann's specialty?

Philip Zimmermann (NPI 1477783801) is a Medicare-billing provider whose primary specialty is Internal Medicine in Madison, WI.

Where does Philip Zimmermann practice?

Philip Zimmermann practices in Madison, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1477783801.

How much does Medicare pay Philip Zimmermann?

Philip Zimmermann (NPI 1477783801) received approximately $9K in total Medicare Part B payments, serving 152 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1477783801

Philip ZimmermannM.D.

Internal MedicineMadison, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

262

Unique beneficiaries

—

Total services

319

Distinct HCPCS

Medicare payment

$6K

Peer benchmark

Total Medicare services vs. 1,244 Internal Medicine providers in WI — above median (cohort median 578).

PRESCRIBING · PART D · 2024

Total Rx claims

2,926

Beneficiaries

—

Total drug cost

$276K

Distinct drugs

Brand share

16.8%

Top prescribed drugs

Atorvastatin Calcium205 claims

Losartan Potassium151 claims

Levothyroxine Sodium132 claims

Amlodipine Besylate124 claims

Lisinopril121 claims

QUALITY · MIPS · 2024

Final MIPS score

83.3

Quality

87.8

Cost

75.8

Improvement activities

40.0

Promoting interop.

77.0

Payment adjustment

0.35%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Philip 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). 12 inbound referrers · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MERITER HOSPITAL, INC.	68	327
MERITER HOSPITAL, INC.	19	79
Eugene Kaji Cardiology · Fitchburg, WI	18	70
Associated Regional And University Pathologists Inc Clinical Laboratory · Salt Lake City, UT	17	54
Meriter Health Enterprises Inc. Clinical Laboratory · Madison, WI	13	44
Andrew Graf Urology · Verona, WI	12	84
Robert Bour Diagnostic Radiology · Madison, WI	12	42
John Park Interventional Radiology · Madison, WI	11	22
Lynn Broderick Diagnostic Radiology · Madison, WI	11	39
MUSSER, WAYNE	11	128
Peter Chase Diagnostic Radiology · Madison, WI	11	33
WEGENKE, JOHN	11	147

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF WISCONSIN HOSPITALS AND CLINICS AUTHORITY	157	1,151
MERITER HOSPITAL, INC.	59	282
Jennifer Jarrett Physician Assistant · Mcfarland, WI	29	193
Edward Borman Diagnostic Radiology · Madison, WI	24	79
Eugene Kaji Cardiology · Fitchburg, WI	17	73
MERITER HOSPITAL, INC.	15	52
Robert Bour Diagnostic Radiology · Madison, WI	15	60
Newrhee Kim Diagnostic Radiology · Madison, WI	14	45
City Of Madison Ambulance Service Provider · Madison, WI	12	45
Meriter Health Enterprises Inc. Clinical Laboratory · Madison, WI	11	43

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