NPPES file of Aug 9, 2026

Richard Ha, D.O.

Child & Adolescent Psychiatry Physician · Oxnard, CA

Richard Ha, D.O. is a child & adolescent psychiatry physician with a practice address in Oxnard, California, and NPI 1831431287, issued on Mar 25, 2013. Check the license (California 20A16584, as entered in NPPES) on the Medical Board of California; 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
1831431287
Name
Richard Ha
Credential
D.O.
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
20A16584 CA
Self-reported in NPPES; status is on the state search
Practice location
2500 S C St Ste D, Oxnard, CA 93033
Phone
(805) 385-9460
Enumerated
Mar 25, 2013
Record last updated
Dec 20, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(805) 385-9407
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 child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →

Also registered at 2500 S C St Ste D

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

  1. Magali AlvaradoRehabilitation Practitioner1356297824
  2. Carisma Ayala, ASWSocial Worker1497585657
  3. Javier CanoMarriage & Family Therapist1558227256
  4. April Cook Suravallop, AMFTMarriage & Family Therapist1851863278
  5. Monica De La Rosa, LCSWClinical Social Worker1043338411
  6. Abner Flores, PSYDCounseling Psychologist1306132436

Verify Richard Ha in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A16584    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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Richard Ha among 1,009 child & adolescent psychiatry physician records in California

Richard Ha, D.O. is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% 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 2013, is newer than 79% of them.

  • NPI issued2013 · 79% of these records are older, 19% newer
  • In a Medicare fileNo · 55% of these records are
  • In the CMS Doctors and Clinicians fileNo · 21% of these records are
  • Record last updated2019 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Child & Adolescent Psychiatry Physician providers in California

There are 1,009 child & adolescent psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,009 in California → Every provider in Oxnard → Child & Adolescent Psychiatry Physician nationwide →

The 8 child & adolescent psychiatry physician records with the nearest ZIP codes

  1. Heidi Dahl-Rosenbaum, MDOxnard, CA 930361851436638
  2. Amitha Prasad, M.D.Oxnard, CA 930361821436882
  3. Kevin Cox, MDOjai, CA 930231538214614
  4. Arthur Kornhaber, M.D.Ojai, CA 930231033117387
  5. Sandor Dresnin, M.D.Camarillo, CA 930101407980873
  6. Diane St. Fleur, M.D.Camarillo, CA 930101578874798
  7. Myung Ryang, MDVentura, CA 930031225259609
  8. Danielle Shaw, MDVentura, CA 930031093705915

Common questions

What is Richard Ha, D.O.'s NPI number?

Richard Ha, D.O.'s National Provider Identifier (NPI) is 1831431287, issued on Mar 25, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Richard Ha, D.O. located?

The NPPES record lists a practice address at 2500 S C St Ste D, Oxnard, CA, 93033. Phone: (805) 385-9460. Providers update this record themselves, so call before visiting.

How can I verify Richard Ha, D.O.'s license?

NPPES lists California license number 20A16584, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.