NPPES file of Aug 9, 2026

Alan Masaaki Ooka, APRN, BC, P-MHNP

Psychiatric/Mental Health Nurse Practitioner · Laguna Hills, CA

Alan Masaaki Ooka, APRN, BC, P-MHNP is a psychiatric/mental health nurse practitioner with a practice address in Laguna Hills, California, and NPI 1114924230, issued on Jul 5, 2005. Check the license (California RN 562338, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114924230
Name
Alan Masaaki Ooka
Credential
APRN, BC, P-MHNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
RN 562338 CA
Self-reported in NPPES; status is on the state search
Practice location
23521 Paseo DE Valencia, Laguna Hills, CA 92653
Phone
(949) 768-6845
Enumerated
Jul 5, 2005
Record last updated
Jul 13, 2026
Fax
(949) 768-5124
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →

Also registered at 23521 Paseo DE Valencia

A shared address usually means a shared clinic or building; it does not show who employs whom.

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Verify Alan Masaaki Ooka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license RN 562338    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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Alan Masaaki Ooka among 4,226 psychiatric/mental health nurse practitioner records in California

Alan Masaaki Ooka, APRN, BC, P-MHNP is one of 4,226 psychiatric/mental health nurse practitioner records with a practice address in California. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, over 99% newer
  • In a Medicare fileNo · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2026 · 16% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in California

There are 4,226 psychiatric/mental health nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,226 in California → Every provider in Laguna Hills → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Emily Huff, PMHNPLaguna Hills, CA 926531245183581
  2. Christine Kim, PMHNPLaguna Hills, CA 926531063912244
  3. Isaac Lee, NPLaguna Hills, CA 926531235868621
  4. Jennifer Rico Yamashita, NPLaguna Hills, CA 926531518645944
  5. Lizette Sayo, PMHNPLaguna Hills, CA 926531760238307
  6. Rerhime Uku, PMHNPLaguna Hills, CA 926531659906147
  7. Shara Ally, DNP, PMHNP-BC, MBALaguna Beach, CA 926511538050026
  8. Robert Cadena, NPLaguna Beach, CA 926511043825797

Common questions

What is Alan Masaaki Ooka, APRN, BC, P-MHNP's NPI number?

Alan Masaaki Ooka, APRN, BC, P-MHNP's National Provider Identifier (NPI) is 1114924230, issued on Jul 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alan Masaaki Ooka, APRN, BC, P-MHNP located?

The NPPES record lists a practice address at 23521 Paseo DE Valencia, Laguna Hills, CA, 92653. Phone: (949) 768-6845. Providers update this record themselves, so call before visiting.

How can I verify Alan Masaaki Ooka, APRN, BC, P-MHNP's license?

NPPES lists California license number RN 562338, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.