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

Tiffany L Sullivan, LMFT

Individual provider Mental Health Counselor · NPI 1558665224

Tiffany L Sullivan, LMFT is a Marriage and Family Therapist in Vacaville, California. Qualified in 2009, 17 years ago. Practices with Native American Mental Health Services Corporation, a 63-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
17
Licensed in
CA
In the registry since
2011
Specialties on file
4
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

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Practice location Address checks out

955 Sorter Dr
Vacaville, CA 95687-7974
Phone: (707) 301-0158
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 711 Jefferson St Ste 203, Fairfield, CA 94533-5556 — (707) 514-0460

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 99784 (CA)
Mental Health Counselor Taxonomy 101YM0800X · Licence IMF65669 (CA)
Mental Health Counselor Taxonomy 101YM0800X · Licence 99784 (CA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence IMF65669 (CA)

Record details

NPI number1558665224
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMFT
Sole proprietorYes
NPI enumeratedJanuary 10, 2011
Last updated in NPPESMay 30, 2024
Certification dateMay 30, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMARRIAGE AND FAMILY THERAPIST
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Native American Mental Health Services Corporation — 63 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Vacaville