What is Raymond Hartke's specialty?

Raymond Hartke (NPI 1952475931) is a Medicare-billing provider whose primary specialty is Gastroenterology in Wausau, WI.

Where does Raymond Hartke practice?

Raymond Hartke practices in Wausau, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1952475931.

How much does Medicare pay Raymond Hartke?

Raymond Hartke (NPI 1952475931) received approximately $166K in total Medicare Part B payments, serving 443 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1952475931

Raymond HartkeM.D.

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

GastroenterologyWausau, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

623

Unique beneficiaries

—

Total services

641

Distinct HCPCS

Medicare payment

$75K

Peer benchmark

Total Medicare services vs. 249 Gastroenterology providers in WI — top quintile (cohort median 484).

PRESCRIBING · PART D · 2024

Total Rx claims

1,638

Beneficiaries

—

Total drug cost

$874K

Distinct drugs

Brand share

25.5%

Top prescribed drugs

Omeprazole380 claims

Pantoprazole Sodium129 claims

Diphenoxylate Hcl/Atropine101 claims

Famotidine93 claims

Colestipol Hcl59 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.

REFERRAL NETWORK

Where Raymond Hartke'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). 25 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Associates In Pathology, S.C. Clinical Laboratory · Wausau, WI	65	106
ASPIRUS RHINELANDER & TOMAHAWK HOSPITALS & CLINICS, INC.	54	275
DUSENBERY, JOHN	37	69
Stephen Stine Diagnostic Radiology · Wausau, WI	29	65
Douglas Ramsey Diagnostic Radiology · Wausau, WI	29	72
Derrick Siebert Diagnostic Radiology · Wausau, WI	27	67
HACKWORTH, CRAIG	25	53
Carl Miller Diagnostic Radiology · Longview, TX	25	53
David Isaacs Diagnostic Radiology · Milwaukee, WI	24	43
Mark Dolz Pathology · Jacksonville, IL	23	32
Saryn Stramecki Doucette Pathology · Madison, WI	19	29
Timothy Logemann Interventional Cardiology · Wausau, WI	17	29

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