What is Donald Gerhardt's specialty?

Donald Gerhardt (NPI 1619921673) is a Medicare-billing provider whose primary specialty is Internal Medicine in Columbia, MO.

Where does Donald Gerhardt practice?

Donald Gerhardt practices in Columbia, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1619921673.

How much does Medicare pay Donald Gerhardt?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Donald Gerhardt (NPI 1619921673) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1619921673

Donald Gerhardt

Internal MedicineColumbia, MOI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$246

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Omeprazole17 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 Donald Gerhardt'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). 51 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BOYCE - BYNUM PATHOLOGY LABORATORIES, INC	262	699
Grant Darkow Pathology · Columbia, MO	125	223
Michael Curry Pathology · Columbia, MO	73	138
Terry Elwing Diagnostic Radiology · Columbia, MO	68	150
TELLERMAN, BARBARA	64	131
Maxwell Lazinger Diagnostic Radiology · Columbia, MO	64	156
DEMINT, DAVID	58	136
Laura Sievert Diagnostic Radiology · Columbia, MO	56	126
Katherine Broeder Certified Registered Nurse Anesthetist (CRNA) · Columbia, MO	48	93
COUPER, NICHOLAS	42	53
GIBSON, DON	39	69
Stephen Williams Certified Registered Nurse Anesthetist (CRNA) · Columbia, MO	37	69

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