What is William Nienaber's specialty?

William Nienaber (NPI 1720296940) is a Medicare-billing provider whose primary specialty is Cardiology in Cape Girardeau, MO.

Where does William Nienaber practice?

William Nienaber practices in Cape Girardeau, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1720296940.

How much does Medicare pay William Nienaber?

William Nienaber (NPI 1720296940) received approximately $63K in total Medicare Part B payments, serving 3,266 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1720296940

William NienaberMD

CardiologyCape Girardeau, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,277

Unique beneficiaries

—

Total services

5,202

Distinct HCPCS

Medicare payment

$59K

Peer benchmark

Total Medicare services vs. 343 Cardiology providers in MO — top quintile (cohort median 2,194).

PRESCRIBING · PART D · 2024

Total Rx claims

3,126

Beneficiaries

—

Total drug cost

$359K

Distinct drugs

Brand share

23.2%

Top prescribed drugs

Metoprolol Succinate518 claims

Furosemide337 claims

Apixaban304 claims

Metoprolol Tartrate160 claims

Atorvastatin Calcium157 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$197

Payment records

By payment type

Food and Beverage$197

Top paying entities

Food and Beverage$197

REFERRAL NETWORK

Where William Nienaber'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). 117 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MEMORIAL HOSPITAL OF LARAMIE COUNTY	1,333	4,465
William Ketcham Diagnostic Radiology · Cheyenne, WY	333	756
Herman Feringa Cardiology · Palmer, AK	292	856
Eric Hoyer Diagnostic Radiology · Cheyenne, WY	252	548
Muhammad Asad Amir Khan Cardiology · Ogden, UT	241	808
HUBBARD, JAMES	228	456
Shayibu Harruna Interventional Cardiology · Hannibal, MO	217	637
HAYDEN, SCOTT	155	309
Steven Reeb Pulmonary Disease · Cheyenne, WY	144	411
NPI 1114904034	137	283
Daniel Surdam Emergency Medicine · Cheyenne, WY	129	294
Sodienye Tetenta Pulmonary Disease · Kokomo, IN	113	356

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