John Walker, MD, FAWM, FNAP
NPI 1477705762 · Emergency Medicine Physician · Austin, TX
John Walker, MD, FAWM, FNAP is a Emergency Medicine Physician provider in Austin, TX (NPI 1477705762).
Provider details
- NPI number
- 1477705762
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, FAWM, FNAP
- Sex
- Male
- Sole proprietor
- Yes
- License
- G5832 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2008-10-17
- Last updated
- 2021-10-11
- Certified
- 2021-10-11
Frequently asked questions
- What is John Walker's NPI number?
- John Walker's National Provider Identifier (NPI) is 1477705762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Walker's specialty?
- John Walker is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Walker located?
- John Walker's practice location on file with NPPES is 1700 Stamford Ln, Austin, TX 78703-2938.
- What is John Walker's phone number?
- The practice phone number listed in the NPPES registry for John Walker is (512) 801-4000.
- Is John Walker's NPI active?
- Yes — John Walker's NPI (1477705762) is active in the NPPES registry as of the last update on 2021-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.