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

Walker Gregory De Witt, LMFT

Individual provider Marriage & Family Therapist · NPI 1578604732

Walker Gregory De Witt, LMFT is a Marriage and Family Therapist in San Diego, California. Qualified in 2007, 19 years ago. Practices with Pacific Coast Psychiatric Associates Inc, a 632-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
19
Licensed in
CA
In the registry since
2007
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

11515 El Camino Real Ste 100
San Diego, CA 92130-3034
Phone: (858) 279-1223
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 78003 (CA)

Record details

NPI number1578604732
Entity typeIndividual (Type 1)
GenderMale
Credentials LMFT
Sole proprietorNo
NPI enumeratedFebruary 9, 2007
Last updated in NPPESFebruary 21, 2025
Certification dateFebruary 21, 2025

Medicare enrollment

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

Medicare specialtyMARRIAGE AND FAMILY THERAPIST
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Pacific Coast Psychiatric Associates Inc — 632 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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