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MR. MARK ANTHONY JEFFERSON JR. MFTI
NPI 1285160572
Marriage & Family Therapist in San Mateo, CA

Active since May 04, 2017
126 W 25TH AVE, SUITE 200, SAN MATEO, CA 94403(510) 409-5391 Get Directions Write a Review

NPPES record last updated: May 4, 2017. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Mark Anthony Jefferson Jr. Mfti NPPES

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

MR. MARK ANTHONY JEFFERSON JR. MFTI (NPI 1285160572) is an individual marriage & family therapist in San Mateo, California, licensed in California (IMF98404) and active in the NPI registry since May 2017.

NPPES Registry Identity

NPI1285160572
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMR. MARK ANTHONY JEFFERSON JR.Credential: MFTI
Location Address126 W 25TH AVE, SUITE 200San Mateo, CA 94403-2208
Mailing Address126 W 25th Ave, Suite 200San Mateo, CA 94403-2208 · (510) 409-5391
Phone(510) 409-5391
Sole ProprietorYes
Enumeration DateMay 4, 2017
✔ NPI 1285160572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · IMF98404
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.
126 W 25TH AVE, San Mateo, CA 94403
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Other Providers at the Same Location NPPES 12

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

MARCIA DOLORES HEADLEY
Case Manager/Care Coordinator
126 W 25TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 286-2090
JENNIFER JIMENEZ WONG
Marriage & Family Therapist
126 W 25TH AVE, SUITE 202
SAN MATEO, CA 94403
San Mateo County (650) 286-2090
COURTNEY CLAIRE LEMMON
Counselor (Mental Health)
126 W 25TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 286-2090
SONIA E. GOMEZ
Counselor (Mental Health)
126 W 25TH AVE, SUITE 202
SAN MATEO, CA 94403
San Mateo County (650) 286-2090
ISABEL YESENIA ROMO RAMIREZ
Social Worker
126 W 25TH AVE
SAN MATEO, CA 94403
San Mateo County (510) 482-2244
AMANDA CASTELLI
Marriage & Family Therapist
126 W 25TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 994-4395
KATHERINE ELIZABETH WARNER
Marriage & Family Therapist
126 W 25TH AVE, SUITE 202
SAN MATEO, CA 94403
San Mateo County (650) 286-2090
ANDREA THERESE CHIANG
Marriage & Family Therapist
126 W 25TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 286-2092

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 Mark Jefferson's NPI number?

The NPI number for Mark Jefferson is 1285160572. It was assigned to this individual provider in the NPPES registry on May 4, 2017.

Where is Mark Jefferson located?

Mark Jefferson practices at 126 W 25th Ave Suite 200, San Mateo, CA 94403. The listed phone number is (510) 409-5391.

What is Mark Jefferson'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 Mark Jefferson was last updated on May 4, 2017. NPI Profile syncs with the weekly NPPES data releases published by CMS.