WALKER GREGORY DE WITT LMFT
NPI 1578604732
Marriage & Family Therapist in San Diego, CA

Active since February 09, 2007PECOS EnrolledAccepts Medicare Assignment
11515 EL CAMINO REAL STE 100, SAN DIEGO, CA 92130(858) 279-1223 Get Directions Write a Review

NPPES record last updated: February 21, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Feb 21, 2025, Feb 27, 2023 (2 updates tracked since 2023).

About Walker Gregory De Witt Lmft NPPES

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

WALKER GREGORY DE WITT LMFT (NPI 1578604732) is an individual marriage & family therapist in San Diego, California, licensed in California (78003) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1578604732
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameWALKER GREGORY DE WITTCredential: LMFT
Location Address11515 EL CAMINO REAL STE 100San Diego, CA 92130-3034
Mailing Address11515 El Camino Real Ste 100San Diego, CA 92130-3034 · (858) 279-1223
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateFebruary 9, 2007
Last NPPES UpdateFebruary 21, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 21, 2025
✔ NPI 1578604732 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 · 78003
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.
11515 EL CAMINO REAL STE 100, San Diego, CA 92130

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Walker Gregory De Witt Lmft is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355861774
PECOS Enrollment IDI20250227003381
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 15

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

Social Worker (Clinical)
11515 EL CAMINO REAL STE 100
SAN DIEGO, CA 92130
Clinical Medical Laboratory
11515 EL CAMINO REAL STE 100
SAN DIEGO, CA 92130
Psychologist (Clinical)
11515 EL CAMINO REAL STE 100
SAN DIEGO, CA 92130
Psychiatry & Neurology (Psychiatry)
11515 EL CAMINO REAL STE 100
SAN DIEGO, CA 92130
Psychologist (Clinical)
11515 EL CAMINO REAL STE 100
SAN DIEGO, CA 92130
Psychiatry & Neurology (Psychiatry)
11515 EL CAMINO REAL STE 100
SAN DIEGO, CA 92130
Social Worker (Clinical)
11515 EL CAMINO REAL STE 100
SAN DIEGO, CA 92130
Social Worker (Clinical)
11515 EL CAMINO REAL STE 100
SAN DIEGO, CA 92130

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 Walker De Witt's NPI number?

The NPI number for Walker De Witt is 1578604732. It was assigned to this individual provider in the NPPES registry on February 9, 2007.

Where is Walker De Witt located?

Walker De Witt practices at 11515 El Camino Real Ste 100, San Diego, CA 92130. The listed phone number is (858) 279-1223.

What is Walker De Witt's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Walker De Witt enrolled in Medicare?

Yes. Walker De Witt is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Walker De Witt was last updated on February 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.