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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MS. CYNTHIA ROBIN GREIF-NEILL LMFT
NPI 1497794853
Marriage & Family Therapist in Walnut Creek, CA

Active since June 04, 2006
1844 SAN MIGUEL DR, SUITE 306A, WALNUT CREEK, CA 94596(510) 601-0923(510) 658-4730 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Cynthia Robin Greif-neill Lmft NPPES

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

MS. CYNTHIA ROBIN GREIF-NEILL LMFT (NPI 1497794853) is an individual marriage & family therapist in Walnut Creek, California, licensed in California (MY23325) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1497794853
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMS. CYNTHIA ROBIN GREIF-NEILLCredential: LMFT
Location Address1844 SAN MIGUEL DR, SUITE 306AWalnut Creek, CA 94596-4962
Mailing Address6133 Harwood AveOakland, CA 94618-1339 · (510) 601-0923 · Fax (510) 658-4730
Phone(510) 601-0923
Fax(510) 658-4730
Sole ProprietorNo
Enumeration DateJune 4, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1497794853 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 · MY23325
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.
1844 SAN MIGUEL DR, Walnut Creek, CA 94596
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Other Providers at the Same Location NPPES 20

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

DR. ALIREZA MOHEB DMD
Dentist
1844 SAN MIGUEL DR, # 206
WALNUT CREEK, CA 94596
Contra Costa County (925) 279-3326
NGAN CHIROPRACTIC INC
Acupuncturist
1844 SAN MIGUEL DR, SUITE 308A
WALNUT CREEK, CA 94596
Contra Costa County (925) 322-1313
MS. DEBORAH SHELLEY SCOTT MFT
Marriage & Family Therapist
1844 SAN MIGUEL DR, STE 306A
WALNUT CREEK, CA 94596
Contra Costa County (925) 256-6451
VANESSA GLOOR DDS, RDH
Dentist (General Practice)
1844 SAN MIGUEL DR, SUITE #106
WALNUT CREEK, CA 94596
Contra Costa County (925) 939-3997
MEHRDAD RAZAVI MD INC
Psychiatry & Neurology (Neurology)
1844 SAN MIGUEL DR, SUITE 316
WALNUT CREEK, CA 94596
Contra Costa County (925) 938-5252
DR. STEVEN ALLEN SCHANE M.D.,
Psychiatry & Neurology (Psychiatry)
1844 SAN MIGUEL DR, SUITE 311
WALNUT CREEK, CA 94596
Contra Costa County (925) 939-2050
DR. MICHAEL J SCHWAB M.D.
Psychiatry & Neurology (Psychiatry)
1844 SAN MIGUEL DR, SUITE 110
WALNUT CREEK, CA 94596
Contra Costa County (925) 930-7744
DR. EILEEN H BENWAY MD
Pediatrics
1844 SAN MIGUEL DR, SUITE 310
WALNUT CREEK, CA 94596
Contra Costa County (925) 937-6000

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 Cynthia Greif-neill's NPI number?

The NPI number for Cynthia Greif-neill is 1497794853. It was assigned to this individual provider in the NPPES registry on June 4, 2006.

Where is Cynthia Greif-neill located?

Cynthia Greif-neill practices at 1844 San Miguel Dr Suite 306A, Walnut Creek, CA 94596. The listed phone number is (510) 601-0923.

What is Cynthia Greif-neill's specialty?

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

When was this NPI record last updated?

The NPPES record for Cynthia Greif-neill was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.