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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.

MARJORIE MONTERREY DAVIDSON PMHNP
NPI 1083589030
Nurse Practitioner - Psychiatric/Mental Health in Irvine, CA

Active since October 09, 2025
1 PARK PLZ STE 600, IRVINE, CA 92614(949) 939-1155 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 6, 2026, Nov 24, 2025, Oct 9, 2025 (3 updates tracked since 2025).

About Marjorie Monterrey Davidson Pmhnp NPPES

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

MARJORIE MONTERREY DAVIDSON PMHNP (NPI 1083589030) is an individual psychiatric/mental health provider in Irvine, California, licensed in California (95034509) and active in the NPI registry since October 2025.

NPPES Registry Identity

NPI1083589030
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMARJORIE MONTERREY DAVIDSONCredential: PMHNP
Location Address1 PARK PLZ STE 600Irvine, CA 92614-5987
Mailing Address1 Park Plz Ste 600Irvine, CA 92614-5987 · (949) 939-1155
Phone(949) 939-1155
Sole ProprietorYes
Enumeration DateOctober 9, 2025
Last NPPES UpdateJuly 6, 20263 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
✔ NPI 1083589030 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95034509
1 PARK PLZ STE 600, Irvine, CA 92614
Open in Google Maps ↗

Other Names 1

Other Name (5)Marjorie Monterrey Davidson

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 9

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

DR. VALEH KARIMKHANI DO
Psychiatry & Neurology (Psychiatry)
1 PARK PLZ STE 600
IRVINE, CA 92614
Orange County (949) 515-7300
THERESA THANH THUY TRAN
Physician Assistant
1 PARK PLZ STE 600
IRVINE, CA 92614
Orange County (949) 515-7300
MR. ROBERT ANTHONY CHAVARIN PA-C
Physician Assistant
1 PARK PLZ STE 600
IRVINE, CA 92614
Orange County (949) 515-7300
JOSEPH RANDOLPH GAVRANICH PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
1 PARK PLZ STE 600
IRVINE, CA 92614
Orange County (856) 404-5284
MEGAN MURCIA PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
1 PARK PLZ STE 600
IRVINE, CA 92614
Orange County (949) 828-1546
JACOB OLSEN NURSE PRACTITIONER
Nurse Practitioner (Psychiatric/Mental Health)
1 PARK PLZ STE 600
IRVINE, CA 92614
Orange County (949) 828-1546
DR. MEGHAN J MARCUM PSYD
Psychologist
1 PARK PLZ STE 600
IRVINE, CA 92614
Orange County (949) 515-7300
ORANGE COUNTY PSYCHIATRY AND ADDICTION MEDICINE
Psychiatry & Neurology (Psychiatry)
1 PARK PLZ STE 600
IRVINE, CA 92614
Orange County (949) 515-7300

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 Marjorie Davidson's NPI number?

The NPI number for Marjorie Davidson is 1083589030. It was assigned to this individual provider in the NPPES registry on October 9, 2025. The provider is also known as Marjorie Monterrey Davidson.

Where is Marjorie Davidson located?

Marjorie Davidson practices at 1 Park Plz Ste 600, Irvine, CA 92614. The listed phone number is (949) 939-1155.

What is Marjorie Davidson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Marjorie Davidson was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 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.