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

MARITZA HARRISON FNP
NPI 1114237104
Nurse Practitioner - Family in Santa Ana, CA

Q: What is Maritza Harrison's NPI number?

The NPI number for Maritza Harrison is 1114237104. It was assigned to this individual provider in the NPPES registry on October 8, 2010.

Q: What is Maritza Harrison's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Maritza Harrison was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 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.

Active since October 08, 2010

2021 E 4TH ST STE 122, SANTA ANA, CA 92705(951) 268-6995(951) 268-6559 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Maritza Harrison Fnp NPPES

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

MARITZA HARRISON FNP (NPI 1114237104) is an individual family provider in Santa Ana, California, licensed in California (20263) and active in the NPI registry since October 2010.

NPPES Registry Identity

NPI1114237104

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMARITZA HARRISONCredential: FNP

Location Address2021 E 4TH ST STE 122Santa Ana, CA 92705-3912

Mailing Address2021 E 4th St Ste 122Santa Ana, CA 92705-3912 · (951) 268-6995 · Fax (951) 268-6559

Phone(951) 268-6995

Fax(951) 268-6559

Sole ProprietorYes

Enumeration DateOctober 8, 2010

Last NPPES UpdateJune 24, 2026

NPPES CertifiedJune 24, 2026

✔ NPI 1114237104 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · 20263

2021 E 4TH ST STE 122, Santa Ana, CA 92705

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Other Providers at the Same Location NPPES 4

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

JOY REYES NURSE PRACTITIONER

Nurse Practitioner (Primary Care)

2021 E 4TH ST STE 122
SANTA ANA, CA 92705

Orange County (714) 468-6755

VENKATA S.R. PULAKANTI M.D.

Internal Medicine

2021 E 4TH ST STE 122
SANTA ANA, CA 92705

Orange County (909) 496-1195

DR. QUANG DINH VO MD

Internal Medicine

2021 E 4TH ST STE 122
SANTA ANA, CA 92705

Orange County (714) 317-4998

DR. VALERIE FELICE CIVELLI MD

Family Medicine

2021 E 4TH ST STE 122
SANTA ANA, CA 92705

Orange County (951) 268-6995

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 Maritza Harrison's NPI number?

The NPI number for Maritza Harrison is 1114237104. It was assigned to this individual provider in the NPPES registry on October 8, 2010.

Where is Maritza Harrison located?

Maritza Harrison practices at 2021 E 4th St Ste 122, Santa Ana, CA 92705. The listed phone number is (951) 268-6995.

What is Maritza Harrison's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Maritza Harrison was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 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.