What is Maurice Willis's specialty?

Maurice Willis (NPI 1942369319) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Saint Louis, MO.

Where does Maurice Willis practice?

Maurice Willis practices in Saint Louis, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1942369319.

How much does Medicare pay Maurice Willis?

Maurice Willis (NPI 1942369319) received approximately $27K in total Medicare Part B payments, serving 105 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1942369319

Maurice WillisMD

PRACTICEST LOUIS UNIVERSITYSee all providers at this practice →

Hematology-OncologySaint Louis, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

121

Unique beneficiaries

—

Total services

254

Distinct HCPCS

Medicare payment

$23K

Peer benchmark

Total Medicare services vs. 155 Hematology-Oncology providers in MO — bottom quintile (cohort median 981).

PRESCRIBING · PART D · 2024

Total Rx claims

330

Beneficiaries

—

Total drug cost

$21K

Distinct drugs

Brand share

3.3%

Top prescribed drugs

Oxycodone Hcl63 claims

Ondansetron Hcl52 claims

Dexamethasone50 claims

Olanzapine49 claims

Prochlorperazine Maleate41 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$22K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$19K

Travel and Lodging$2K

Food and Beverage$887

Education$68

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$19K

Travel and Lodging$2K

Food and Beverage$887

Education$68

REFERRAL NETWORK

Where Maurice Willis'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). 20 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Bagi Jana Hematology-Oncology · Galveston, TX	42	243
NPI 1346324605	36	146
Tomas Uribe Acosta Diagnostic Radiology · Galveston, TX	27	133
Lee Wiederhold Radiation Oncology · Galveston, TX	24	1,164
Kimberly Kirschner Diagnostic Radiology · Galveston, TX	23	80
Avi Markowitz Hematology-Oncology · Galveston, TX	21	203
Sandra Hatch Radiation Oncology · Galveston, TX	19	672
Angelica Robinson Diagnostic Radiology · San Antonio, TX	19	49
Quan Nguyen Diagnostic Radiology · Houston, TX	17	51
Poyan Rafiei Interventional Radiology · Katy, TX	17	76
Umamahesh Rangasetty Interventional Cardiology · Galveston, TX	16	55
Tareq Abu Sharifeh Cardiology · Galveston, TX	16	42

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