What is Marvin Walker's NPI number?

Marvin Walker's National Provider Identifier (NPI) is 1255076469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marvin Walker's specialty?

Marvin Walker is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).

Where is Marvin Walker located?

Marvin Walker's practice location on file with NPPES is 390 40th St, Oakland, CA 94609-2633.

What is Marvin Walker's phone number?

The practice phone number listed in the NPPES registry for Marvin Walker is (510) 613-0330.

Is Marvin Walker's NPI active?

Yes — Marvin Walker's NPI (1255076469) is active in the NPPES registry as of the last update on 2022-12-30.

IndividualActive

Marvin Walker

NPI 1255076469 · Peer Specialist · Oakland, CA

Marvin Walker is a Peer Specialist provider in Oakland, CA (NPI 1255076469).

Provider details

NPI number: 1255076469
Entity type: Individual
Primary specialty: Peer SpecialistOther Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Peer SpecialistPrimary175T00000X
Other Service Providers
Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
4 yrs 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

390 40th St

Oakland, CA 94609-2633

Phone: (510) 613-0330

Street-level locationGet directions

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Mailing address