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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GENNESSIS MASSEY MA
NPI 1861276701
Marriage & Family Therapist in Los Angeles, CA

Active since August 22, 2023
400 W 30TH ST, LOS ANGELES, CA 90007(213) 855-6779 Get Directions Write a Review

NPPES record last updated: October 3, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Oct 3, 2026, Aug 5, 2025, Nov 12, 2024 and 1 more (4 updates tracked since 2023).

About Gennessis Massey Ma NPPES

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

GENNESSIS MASSEY MA (NPI 1861276701) is an individual marriage & family therapist in Los Angeles, California, licensed in California (156792) and active in the NPI registry since August 2023.

NPPES Registry Identity

NPI1861276701
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameGENNESSIS MASSEYCredential: MA
Location Address400 W 30TH STLos Angeles, CA 90007-3320
Mailing Address400 W 30th StLos Angeles, CA 90007-3320 · (213) 855-6779
Phone(213) 855-6779
Sole ProprietorYes
Enumeration DateAugust 22, 2023
Last NPPES UpdateOctober 3, 20264 updates tracked since enumeration
NPPES CertifiedOctober 3, 2026
✔ NPI 1861276701 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 · 156792
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.
400 W 30TH ST, Los Angeles, CA 90007
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Other Names 1

Former Name (1)Gennessis Enriquez Resendiz Ma

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.

DIANA BENITEZ WHNP, CNM
Nurse Practitioner (Women's Health)
400 W 30TH ST
LOS ANGELES, CA 90007
Los Angeles County (213) 284-3200
MARY GATTER M.D.
Obstetrics & Gynecology (Gynecology)
400 W 30TH ST
LOS ANGELES, CA 90007
Los Angeles County (213) 284-3211
CHELSEA DAWSON R.N.
Registered Nurse
400 W 30TH ST
LOS ANGELES, CA 90007
Los Angeles County (800) 576-5544
BIVIANA CALLEJA LAGUNAS LCSW
Social Worker (Clinical)
400 W 30TH ST
LOS ANGELES, CA 90007
Los Angeles County (323) 891-6417
MS. HEATHER MARIE ONNIGIAN PA-C
Physician Assistant
400 W 30TH ST
LOS ANGELES, CA 90007
Los Angeles County (213) 284-3200
MS. FABIOLA SILIS RN
Registered Nurse
400 W 30TH ST
LOS ANGELES, CA 90007
Los Angeles County (213) 284-3200
ROSA M GALLARDO PA
Physician Assistant
400 W 30TH ST
LOS ANGELES, CA 90007
Los Angeles County (323) 284-3119
KATHLEEN MAHAN NP
Nurse Practitioner
400 W 30TH ST
LOS ANGELES, CA 90007
Los Angeles County (213) 284-3245

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 Gennessis Massey's NPI number?

The NPI number for Gennessis Massey is 1861276701. It was assigned to this individual provider in the NPPES registry on August 22, 2023. The provider is also known as Gennessis Enriquez Resendiz Ma.

Where is Gennessis Massey located?

Gennessis Massey practices at 400 W 30th St, Los Angeles, CA 90007. The listed phone number is (213) 855-6779.

What is Gennessis Massey'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 Gennessis Massey was last updated on October 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.