What is Mark Mattek's NPI number?

Mark Mattek's National Provider Identifier (NPI) is 1588553465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Mattek's specialty?

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

Where is Mark Mattek located?

Mark Mattek's practice location on file with NPPES is 316 Belleview Dr, San Leandro, CA 94577-1708.

What is Mark Mattek's phone number?

The practice phone number listed in the NPPES registry for Mark Mattek is (602) 327-0614.

Is Mark Mattek's NPI active?

Yes — Mark Mattek's NPI (1588553465) is active in the NPPES registry as of the last update on 2025-07-02.

IndividualActive

Mark Mattek, LPCC

NPI 1588553465 · Mental Health Counselor · San Leandro, CA

Mark Mattek, LPCC is a Mental Health Counselor provider in San Leandro, CA (NPI 1588553465).

Provider details

NPI number: 1588553465
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: LPCC
Sex: Male
Sole proprietor: Yes
License: 19188 (CA)

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800XLicense 19188 (CA)
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
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

316 Belleview Dr

San Leandro, CA 94577-1708

Phone: (602) 327-0614

Street-level locationGet directions

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Mailing address