Colleen Walker, MD
NPI 1750346078 · Internal Medicine Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colleen Walker, MD is a Internal Medicine Physician provider in Louisville, KY (NPI 1750346078).
Provider details
- NPI number
- 1750346078
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 38075 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 160 | 42 |
| Atorvastatin Calcium | 98 | 28 |
| Rosuvastatin Calcium | 78 | 20 |
| Pantoprazole Sodium | 73 | 20 |
| Tirzepatidebrand: Mounjaro | 68 | — |
| Montelukast Sodium | 67 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$665 across 38 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2019-01-28
Frequently asked questions
- What is Colleen Walker's NPI number?
- Colleen Walker's National Provider Identifier (NPI) is 1750346078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Walker's specialty?
- Colleen Walker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Colleen Walker located?
- Colleen Walker's practice location on file with NPPES is 3945 Nanz Ave, Louisville, KY 40207.
- What is Colleen Walker's phone number?
- The practice phone number listed in the NPPES registry for Colleen Walker is (502) 899-1100.
- Does Colleen Walker accept Medicare?
- Colleen Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colleen Walker's NPI active?
- Yes — Colleen Walker's NPI (1750346078) is active in the NPPES registry as of the last update on 2019-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.