Michael Walker
NPI 1821801739 · Mental Health Counselor · Pasadena, CA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Walker is a Mental Health Counselor provider in Pasadena, CA (NPI 1821801739).
Provider details
- NPI number
- 1821801739
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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
- 2025-01-27
- Last updated
- 2025-01-27
- Certified
- 2025-01-27
Frequently asked questions
- What is Michael Walker's NPI number?
- Michael Walker's National Provider Identifier (NPI) is 1821801739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Walker's specialty?
- Michael Walker is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Michael Walker located?
- Michael Walker's practice location on file with NPPES is 691 Zanja St, Pasadena, CA 91103-2462.
- What is Michael Walker's phone number?
- The practice phone number listed in the NPPES registry for Michael Walker is (626) 664-4302.
- Does Michael Walker accept Medicare?
- Michael Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Walker's NPI active?
- Yes — Michael Walker's NPI (1821801739) is active in the NPPES registry as of the last update on 2025-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.