What is Michael Harrison's NPI number?

Michael Harrison's National Provider Identifier (NPI) is 1639040215, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Harrison's specialty?

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

Where is Michael Harrison located?

Michael Harrison's practice location on file with NPPES is 3017 Mobley St, San Diego, CA 92123-3038.

What is Michael Harrison's phone number?

The practice phone number listed in the NPPES registry for Michael Harrison is (619) 961-2120.

Is Michael Harrison's NPI active?

Yes — Michael Harrison's NPI (1639040215) is active in the NPPES registry as of the last update on 2025-09-16.

IndividualActive

Michael Harrison

NPI 1639040215 · Peer Specialist · San Diego, CA

Michael Harrison is a Peer Specialist provider in San Diego, CA (NPI 1639040215).

Provider details

NPI number: 1639040215
Entity type: Individual
Primary specialty: Peer SpecialistOther Service Providers
Sex: Male
Sole proprietor: No
License: MPSS-PANYHS (CA)

Specialties & taxonomies

Peer SpecialistPrimary175T00000XLicense MPSS-PANYHS (CA)
Other 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
Under 1 yr in 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

3017 Mobley St

San Diego, CA 92123-3038

Phone: (619) 961-2120

Street-level locationGet directions

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Mailing address