What is Marjourie Mayorga's NPI number?

Marjourie Mayorga's National Provider Identifier (NPI) is 1871323097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marjourie Mayorga's specialty?

Marjourie Mayorga is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Marjourie Mayorga located?

Marjourie Mayorga's practice location on file with NPPES is 517 S Ivy Ave, Monrovia, CA 91016-2827.

What is Marjourie Mayorga's phone number?

The practice phone number listed in the NPPES registry for Marjourie Mayorga is (562) 843-0222.

Is Marjourie Mayorga's NPI active?

Yes — Marjourie Mayorga's NPI (1871323097) is active in the NPPES registry as of the last update on 2026-04-20.

IndividualActive

Marjourie Mayorga, NP

NPI 1871323097 · Psychiatric/Mental Health Nurse Practitioner · Monrovia, CA

Marjourie Mayorga, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Monrovia, CA (NPI 1871323097).

Provider details

NPI number: 1871323097
Entity type: Individual
Primary specialty: Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: NP
Sex: Female
Sole proprietor: Yes
License: 95031352 (CA)

Specialties & taxonomies

Psychiatric/Mental Health Nurse PractitionerPrimary363LP0808XLicense 95031352 (CA)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Established profile(65/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
6 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

517 S Ivy Ave

Monrovia, CA 91016-2827

Phone: (562) 843-0222

Fax: (619) 704-1318

Street-level locationGet directions

More CA providers

Mailing address

Po Box 4838

Downey, CA 90241-1838

Additional practice locations (5)

18800 Delaware St Ste 800
Huntington Beach, CA 92648-6019
Phone: (818) 665-9341
4445 Burns Ave
Los Angeles, CA 90029-2702
Phone: (323) 222-1440
2407 N Sepulveda Blvd
Manhattan Beach, CA 90266-2913
Phone: (888) 223-7863
8300 Utica Ave Ste 310
Rancho Cucamonga, CA 91730-3852
Phone: (909) 906-1505
Fax: (909) 906-1508
611 N La Cienega Blvd
West Hollywood, CA 90069-5201
Phone: (888) 223-7863

Enumerated: 2024-08-02
Last updated: 2026-04-20
Certified: 2026-04-20

Frequently asked questions

What is Marjourie Mayorga's NPI number?: Marjourie Mayorga's National Provider Identifier (NPI) is 1871323097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Marjourie Mayorga's specialty?: Marjourie Mayorga is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Marjourie Mayorga located?: Marjourie Mayorga's practice location on file with NPPES is 517 S Ivy Ave, Monrovia, CA 91016-2827.
What is Marjourie Mayorga's phone number?: The practice phone number listed in the NPPES registry for Marjourie Mayorga is (562) 843-0222.
Is Marjourie Mayorga's NPI active?: Yes — Marjourie Mayorga's NPI (1871323097) is active in the NPPES registry as of the last update on 2026-04-20.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.