What is William Wittman's specialty?

William Wittman (NPI 1902880511) is a Medicare-billing provider whose primary specialty is Internal Medicine in Oconto Falls, WI.

Where does William Wittman practice?

William Wittman practices in Oconto Falls, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1902880511.

How much does Medicare pay William Wittman?

William Wittman (NPI 1902880511) received approximately $38K in total Medicare Part B payments, serving 177 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902880511

William WittmanMD

PRACTICEBELLIN MEMORIAL HOSPITAL INCSee all providers at this practice →

Internal MedicineOconto Falls, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

294

Unique beneficiaries

—

Total services

580

Distinct HCPCS

Medicare payment

$38K

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

753

Beneficiaries

—

Total drug cost

$43K

Distinct drugs

Brand share

24.2%

Top prescribed drugs

Atorvastatin Calcium114 claims

Furosemide87 claims

Apixaban74 claims

Clopidogrel Bisulfate66 claims

Amlodipine Besylate59 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where William Wittman'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). 28 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BELLIN MEMORIAL HOSPITAL INC	357	4,079
Thomas Sullivan Orthopedic Surgery · Green Bay, WI	78	235
Rahul Verma Cardiology · Green Bay, WI	56	392
OCONTO HOSPITAL & MEDICAL CENTER INC	55	291
Robert Monette Diagnostic Radiology · Green Bay, WI	45	172
ARNHOLT, JEFF	39	147
GREWE, GREGORY	36	103
Tracey Befay Physician Assistant · Green Bay, WI	33	267
Nicholas Grimm Physician Assistant · Marinette, WI	26	128
CARRIGAN, PATRICK	25	75
Timothy Enright Diagnostic Radiology · Mequon, WI	23	123
COATES, JOHN	22	211

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