Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. Mark Anthony Jefferson Jr., MFTI

Individual provider Marriage & Family Therapist · NPI 1285160572

Mr. Mark Anthony Jefferson Jr., MFTI is a Marriage & Family Therapist in San Mateo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2017

Practice location Address checks out

126 W 25th Ave Ste 200
San Mateo, CA 94403-2208
Phone: (510) 409-5391
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence IMF98404 (CA)

Record details

NPI number1285160572
Entity typeIndividual (Type 1)
GenderMale
Credentials MFTI
Sole proprietorYes
NPI enumeratedMay 4, 2017
Last updated in NPPESMay 4, 2017

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