Mark Walker, M.D.
NPI 1396178604 · General Practice Physician · Carmel, CA
Mark Walker, M.D. is a General Practice Physician provider in Carmel, CA (NPI 1396178604).
Provider details
- NPI number
- 1396178604
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- C50976 (CA)
Specialties & taxonomies
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
12 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
- 2013-08-11
- Last updated
- 2013-08-11
Frequently asked questions
- What is Mark Walker's NPI number?
- Mark Walker's National Provider Identifier (NPI) is 1396178604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Walker's specialty?
- Mark Walker is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Walker located?
- Mark Walker's practice location on file with NPPES is 225 Crossroads Blvd, Carmel, CA 93923-8674.
- What is Mark Walker's phone number?
- The practice phone number listed in the NPPES registry for Mark Walker is (831) 240-5458.
- Is Mark Walker's NPI active?
- Yes — Mark Walker's NPI (1396178604) is active in the NPPES registry as of the last update on 2013-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.