What is Colleen Walker's specialty?

Colleen Walker (NPI 1750346078) is a Medicare-billing provider whose primary specialty is Internal Medicine in Louisville, KY.

Where does Colleen Walker practice?

Colleen Walker practices in Louisville, KY, based on the location reported in the CMS Medicare provider datasets for NPI 1750346078.

How much does Medicare pay Colleen Walker?

Colleen Walker (NPI 1750346078) received approximately $997 in total Medicare Part B payments, serving 11 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1750346078

Colleen WalkerMD

PRACTICECOLLEEN WALKER MD PLLCSee all providers at this practice →

Internal MedicineLouisville, KYI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

2,531

Beneficiaries

—

Total drug cost

$214K

Distinct drugs

Brand share

19.9%

Top prescribed drugs

Levothyroxine Sodium160 claims

Atorvastatin Calcium98 claims

Rosuvastatin Calcium78 claims

Pantoprazole Sodium73 claims

Tirzepatide68 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$542

Payment records

By payment type

Food and Beverage$542

Top paying entities

Food and Beverage$542

REFERRAL NETWORK

Where Colleen Walker'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). 15 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Patricia Hansen Internal Medicine · Louisville, KY	678	1,678
John Snell Internal Medicine · Louisville, KY	115	249
NORTON HOSPITALS INC	44	79
BAPTIST HEALTHCARE SYSTEM INC.	40	87
Jeffrey Anderson Internal Medicine · Nashville, TN	35	62
JOAQUIN, CATHERINE	33	70
Darren Cain Diagnostic Radiology · Louisville, KY	23	49
James Donovan Cardiology · Louisville, KY	22	77
An Church Diagnostic Radiology · Minneapolis, MN	19	25
Janet Smith Cardiology · Louisville, KY	18	69
Daniel Sileo Diagnostic Radiology · Shelbyville, KY	17	24
JEWISH HOSPITAL & ST. MARY'S HEALTHCARE, INC.	14	25

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