What is Andrew Johannes's specialty?

Andrew Johannes (NPI 1821437229) is a Medicare-billing provider whose primary specialty is Internal Medicine in Wausau, WI.

Where does Andrew Johannes practice?

Andrew Johannes practices in Wausau, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1821437229.

How much does Medicare pay Andrew Johannes?

Andrew Johannes (NPI 1821437229) received approximately $164K in total Medicare Part B payments, serving 286 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821437229

Andrew JohannesD.O.

PRACTICEGASTROINTESTINAL ASSOCIATES S.C.See all providers at this practice →

Internal MedicineWausau, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

447

Unique beneficiaries

—

Total services

1,703

Distinct HCPCS

Medicare payment

$76K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

457

Beneficiaries

—

Total drug cost

$123K

Distinct drugs

Brand share

14.2%

Top prescribed drugs

Omeprazole211 claims

Pantoprazole Sodium43 claims

Linaclotide36 claims

Ursodiol30 claims

Famotidine30 claims

QUALITY · MIPS · 2024

Final MIPS score

90.9

Quality

87.0

Cost

77.1

Improvement activities

0.0

Promoting interop.

100.0

Payment adjustment

0.67%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Andrew Johannes'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). 1 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
STATE UNIVERSITY OF IOWA	12	23

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