What is Matthew Nissing's specialty?

Matthew Nissing (NPI 1558324418) is a Medicare-billing provider whose primary specialty is Internal Medicine in Saint Louis, MO.

Where does Matthew Nissing practice?

Matthew Nissing practices in Saint Louis, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1558324418.

How much does Medicare pay Matthew Nissing?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Matthew Nissing (NPI 1558324418) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1558324418

Matthew Nissing

PRACTICEVAMC ST. LOUIS MOSee all providers at this practice →

Internal MedicineSaint Louis, MOI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

167

Beneficiaries

—

Total drug cost

$8K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Pantoprazole Sodium93 claims

Famotidine34 claims

Mesalamine21 claims

Omeprazole19 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.

REFERRAL NETWORK

Where Matthew Nissing'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). 42 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BARNES JEWISH ST PETERS HOSPITAL INC	298	1,040
SSM HEALTH CARE ST. LOUIS	87	213
St. Charles County Ambulance District Ambulance Service Provider · Saint Peters, MO	84	162
John Hartweger Internal Medicine · Saint Peters, MO	59	158
Joelle Biernacki Diagnostic Radiology · Saint Louis, MO	56	114
April Thebeau Internal Medicine · Saint Peters, MO	51	124
Constance Courtois Diagnostic Radiology · Saint Louis, MO	46	115
James Kelly Diagnostic Radiology · Saint Louis, MO	46	93
JOYCE, GERALD	43	86
Heather Webb Emergency Medicine · Saint Peters, MO	29	53
Kevin Minnihan Anesthesiology · St Peters, MO	29	55
MENIUS, JOHN	28	56

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