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MR. THOMAS L OLSEN LMFT
NPI 1083067888
Marriage & Family Therapist in San Mateo, CA

Active since July 15, 2016
2600 S EL CAMINO REAL, SUITE 200, SAN MATEO, CA 94403(650) 373-0777 Get Directions Write a Review

NPPES record last updated: July 23, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Thomas L Olsen Lmft NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. THOMAS L OLSEN LMFT (NPI 1083067888) is an individual marriage & family therapist in San Mateo, California, licensed in California (136823) and active in the NPI registry since July 2016.

NPPES Registry Identity

NPI1083067888
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMR. THOMAS L OLSENCredential: LMFT
Location Address2600 S EL CAMINO REAL, SUITE 200San Mateo, CA 94403-2380
Mailing Address1348 Laurel St Apt 1San Carlos, CA 94070-5019 · (650) 219-2135
Phone(650) 373-0777
Sole ProprietorYes
Enumeration DateJuly 15, 2016
Last NPPES UpdateJuly 23, 2025
NPPES CertifiedJuly 23, 2025
✔ NPI 1083067888 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
Licenses✔ Licensed in CA · 136823✔ Licensed in CA · 93920
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
2600 S EL CAMINO REAL, San Mateo, CA 94403
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GABRIEL SEAN FREDERICK
Case Manager/Care Coordinator
2600 S EL CAMINO REAL
SAN MATEO, CA 94403
San Mateo County (650) 393-8931
VICTORIA NAOMI ARCHILA
Counselor (Mental Health)
2600 S EL CAMINO REAL, STE 200
SAN MATEO, CA 94403
San Mateo County (650) 578-8691
LESLIE L WOLFF R.N
Registered Nurse
2600 S EL CAMINO REAL, STE 200
SAN MATEO, CA 94403
San Mateo County (650) 373-0777
DR. MARCIA MONICA ZORRILLA DRPH, MPH, SUDRC
Counselor (Addiction (Substance Use Disorder))
2600 S EL CAMINO REAL
SAN MATEO, CA 94403
San Mateo County (650) 226-7030
YESENIA JASMINE GUERRERO
Counselor (Mental Health)
2600 S EL CAMINO REAL
SAN MATEO, CA 94403
San Mateo County (650) 578-8691
JESSICA BARBATO MFT
Marriage & Family Therapist
2600 S EL CAMINO REAL, SUITE 200
SAN MATEO, CA 94403
San Mateo County (650) 393-8910
KAI ALDEN
Counselor (Mental Health)
2600 S EL CAMINO REAL, SUITE 200
SAN MATEO, CA 94403
San Mateo County (650) 393-8911
BRITTNEY MARIE GUITRON LVN
Licensed Vocational Nurse
2600 S EL CAMINO REAL
SAN MATEO, CA 94403
San Mateo County (650) 373-0777

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Olsen's NPI number?

The NPI number for Thomas Olsen is 1083067888. It was assigned to this individual provider in the NPPES registry on July 15, 2016.

Where is Thomas Olsen located?

Thomas Olsen practices at 2600 S El Camino Real Suite 200, San Mateo, CA 94403. The listed phone number is (650) 373-0777.

What is Thomas Olsen's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Thomas Olsen was last updated on July 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.