Brett Walker, MD
NPI 1821677105 · Internal Medicine Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brett Walker, MD is a Internal Medicine Physician provider in Indianapolis, IN (NPI 1821677105).
Provider details
- NPI number
- 1821677105
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 1701 Senate BlvdIndianapolis, IN 46202-1239Phone: (317) 962-8776Fax: (317) 963-5285
Registry dates
- Enumerated
- 2021-04-05
- Last updated
- 2024-10-31
- Certified
- 2024-10-31
Frequently asked questions
- What is Brett Walker's NPI number?
- Brett Walker's National Provider Identifier (NPI) is 1821677105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brett Walker's specialty?
- Brett Walker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brett Walker located?
- Brett Walker's practice location on file with NPPES is 1120 W Michigan St # Cl642, Indianapolis, IN 46202-5209.
- What is Brett Walker's phone number?
- The practice phone number listed in the NPPES registry for Brett Walker is (317) 278-2686.
- Does Brett Walker accept Medicare?
- Brett Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brett Walker's NPI active?
- Yes — Brett Walker's NPI (1821677105) is active in the NPPES registry as of the last update on 2024-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.