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

Mark Sullivan, PHD, MFT

Individual provider Professional Counselor · NPI 1518275437

Mark Sullivan, PHD, MFT is a Professional Counselor in Oakland, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

5237 College Ave
Oakland, CA 94618-1414
Phone: (510) 541-0548
Fax: (510) 841-3395
Show map & directions

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

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence MFC15675 (CA)

Record details

NPI number1518275437
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , MFT
Sole proprietorNo
NPI enumeratedSeptember 14, 2010
Last updated in NPPESSeptember 14, 2010

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