What is Calvin Walker's NPI number?

Calvin Walker's National Provider Identifier (NPI) is 1801311774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Calvin Walker's specialty?

Calvin Walker is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Calvin Walker located?

Calvin Walker's practice location on file with NPPES is 3801 Teagarden Street, San Leandro, CA 94577.

What is Calvin Walker's phone number?

The practice phone number listed in the NPPES registry for Calvin Walker is (510) 347-4620.

Is Calvin Walker's NPI active?

Yes — Calvin Walker's NPI (1801311774) is active in the NPPES registry as of the last update on 2022-07-21.

IndividualActive

Calvin Walker

NPI 1801311774 · Mental Health Counselor · San Leandro, CA

Calvin Walker is a Mental Health Counselor provider in San Leandro, CA (NPI 1801311774).

Provider details

NPI number: 1801311774
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Established profile(63/100 index)

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

Registry tenure38% of score
8 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

3801 Teagarden Street

San Leandro, CA 94577

Phone: (510) 347-4620

Approximate (ZIP-level) locationGet directions

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Mailing address