What is Thomas Kessler's NPI number?

Thomas Kessler's National Provider Identifier (NPI) is 1285808220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Thomas Kessler's specialty?

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

Where is Thomas Kessler located?

Thomas Kessler's practice location on file with NPPES is 555 Northgate Drive, San Rafael, CA 94903.

What is Thomas Kessler's phone number?

The practice phone number listed in the NPPES registry for Thomas Kessler is (415) 491-5700.

Is Thomas Kessler's NPI active?

Yes — Thomas Kessler's NPI (1285808220) is active in the NPPES registry as of the last update on 2008-04-22.

IndividualActive

Thomas Kessler, MFT TRAINEE

NPI 1285808220 · Mental Health Counselor · San Rafael, CA

Thomas Kessler, MFT TRAINEE is a Mental Health Counselor provider in San Rafael, CA (NPI 1285808220).

Provider details

NPI number: 1285808220
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: MFT TRAINEE
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(81/100 index)

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

Registry tenure38% of score
18 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

555 Northgate Drive

Family Services Agency of Marin

San Rafael, CA 94903

Phone: (415) 491-5700

Street-level locationGet directions

More CA providers

Mailing address

151 Morningside Drive

Corte Madera, CA 94925

Enumerated: 2008-04-22
Last updated: 2008-04-22

Frequently asked questions

What is Thomas Kessler's NPI number?: Thomas Kessler's National Provider Identifier (NPI) is 1285808220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Thomas Kessler's specialty?: Thomas Kessler is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
Where is Thomas Kessler located?: Thomas Kessler's practice location on file with NPPES is 555 Northgate Drive, San Rafael, CA 94903.
What is Thomas Kessler's phone number?: The practice phone number listed in the NPPES registry for Thomas Kessler is (415) 491-5700.
Is Thomas Kessler's NPI active?: Yes — Thomas Kessler's NPI (1285808220) is active in the NPPES registry as of the last update on 2008-04-22.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.