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MARCUS DWAYNE DAVIS
NPI 1902420516
Marriage & Family Therapist in Berkeley, CA

Active since May 31, 2020
1890 ALCATRAZ AVE, BERKELEY, CA 94703(510) 981-5280 Get Directions Write a Review

NPPES record last updated: October 13, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 10, 2023, May 31, 2020 (2 updates tracked since 2020).

About Marcus Dwayne Davis NPPES

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

MARCUS DWAYNE DAVIS (NPI 1902420516) is an individual marriage & family therapist in Berkeley, California, licensed in California (157577) and active in the NPI registry since May 2020. He maintains a secondary practice location in Oakland.

NPPES Registry Identity

NPI1902420516
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMARCUS DWAYNE DAVIS
Location Address1890 ALCATRAZ AVEBerkeley, CA 94703-2715
Mailing Address841 Warfield AveOakland, CA 94610-2118 · (510) 910-6423
Phone(510) 981-5280
Sole ProprietorNo
Enumeration DateMay 31, 2020
Last NPPES UpdateOctober 13, 20252 updates tracked since enumeration
NPPES CertifiedOctober 13, 2025
✔ NPI 1902420516 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 · 157577
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.
1890 ALCATRAZ AVE, Berkeley, CA 94703
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Secondary Practice Location 1

Location 18945 Golf Links RdOakland, CA 94605-4124 · Phone (510) 846-2927

Other Providers at the Same Location NPPES 7

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

KARL GUY RN
Registered Nurse (Psychiatric/Mental Health)
1890 ALCATRAZ AVE
BERKELEY, CA 94703
Alameda County (510) 981-5290
THE WEST OAKLAND HEALTH COUNCIL
Clinic/Center (Federally Qualified Health Center (FQHC))
1890 ALCATRAZ AVE
BERKELEY, CA 94703
Alameda County (510) 601-0167
ZHANETTA VAYSMAN
Registered Nurse
1890 ALCATRAZ AVE
BERKELEY, CA 94703
Alameda County (510) 601-0167
MICHAEL PRAUS
Social Worker
1890 ALCATRAZ AVE
BERKELEY, CA 94703
Alameda County (510) 601-0167
CITY OF BERKELEY
Clinic/Center (Mental Health (Including Community Mental Health Center))
1890 ALCATRAZ AVE
BERKELEY, CA 94703
Alameda County (510) 981-5280
AARON TONG LOU RN
Registered Nurse
1890 ALCATRAZ AVE
BERKELEY, CA 94703
Alameda County (510) 981-7637
LALONI CARTER RN
Registered Nurse
1890 ALCATRAZ AVE
BERKELEY, CA 94703
Alameda County (510) 981-5290

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 Marcus Davis's NPI number?

The NPI number for Marcus Davis is 1902420516. It was assigned to this individual provider in the NPPES registry on May 31, 2020.

Where is Marcus Davis located?

Marcus Davis practices at 1890 Alcatraz Ave, Berkeley, CA 94703. The listed phone number is (510) 981-5280.

What is Marcus Davis'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 Marcus Davis was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.