Steven Walker, MD
NPI 1649465584 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Walker, MD is a Internal Medicine Physician provider in San Antonio, TX (NPI 1649465584).
Provider details
- NPI number
- 1649465584
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- M7735 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
8 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 (7)
- 4065 St Cloud Dr Unit 200Loveland, CO 80538-9233Phone: (970) 717-6033
- 9191 Sheridan Blvd Ste 103Westminster, CO 80031-3023Phone: (720) 504-1309
- 2629 Waterfront Parkway East Dr Ste 375Indianapolis, IN 46214-2026Phone: (866) 400-9692
- 767 Eustis St Ste 150Saint Paul, MN 55114-0019Phone: (612) 721-2491
- 6500 S Macadam Ave Ste 160Portland, OR 97239-3566Phone: (866) 238-8010
- 1040 Schlipf Rd # 126Katy, TX 77493-6571Phone: (281) 410-1203
- 3400 188th St Sw Ste 214Lynnwood, WA 98037-4792Phone: (425) 336-4934
Registry dates
- Enumerated
- 2007-09-13
- Last updated
- 2025-12-01
- Certified
- 2025-12-01
Frequently asked questions
- What is Steven Walker's NPI number?
- Steven Walker's National Provider Identifier (NPI) is 1649465584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Walker's specialty?
- Steven Walker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Walker located?
- Steven Walker's practice location on file with NPPES is 300 E Sonterra Blvd, San Antonio, TX 78258-3971.
- What is Steven Walker's phone number?
- The practice phone number listed in the NPPES registry for Steven Walker is (855) 425-1055.
- Does Steven Walker accept Medicare?
- Steven Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Walker's NPI active?
- Yes — Steven Walker's NPI (1649465584) is active in the NPPES registry as of the last update on 2025-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.