NPPES file of Aug 9, 2026

Abigail Onderwyzer Gold

Psychiatry Physician · Los Angeles, CA

Abigail Onderwyzer Gold is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1629828843, issued on Mar 22, 2024. Check the license (California 15136, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629828843
Name
Abigail Onderwyzer Gold
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
15136 CA
Self-reported in NPPES; status is on the state search
Practice location
1200 N State Street, Los Angeles, CA 90033
Phone
(323) 409-5555
Enumerated
Mar 22, 2024
Record last updated
Aug 15, 2025
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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Also registered at 1200 N State Street

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

  1. Brittany Abt, MDStudent in an Organized Health Care Education/Training Program1447754379
  2. Katherine Bayard, MDStudent in an Organized Health Care Education/Training Program1457046567
  3. Roger Boles, MDStudent in an Organized Health Care Education/Training Program1215517594
  4. Catherine Bradley, MDObstetrics & Gynecology Physician1124761408
  5. Edward Cho, MDInternal Medicine Physician1841759743
  6. Chancelor Cruz, MDNeurology Physician1407341860

Verify Abigail Onderwyzer Gold in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 15136
    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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99% fewer Medicare Part D claims than the average psychiatry physician in 2024

14 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Abigail Onderwyzer Gold14
  2. Specialty average1,000

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Abigail Onderwyzer Gold among 8,673 psychiatry physician records in California

Abigail Onderwyzer Gold is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 98% of them.

  • NPI issued2024 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

987 psychiatry physician records list a practice address in Los Angeles

They are 987 of the 69,537 NPPES records with a practice address in Los Angeles, and 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Ikhlas Akra, M.D.Los Angeles, CA 900331992741979
  2. David Baron, DOLos Angeles, CA 900331417945486
  3. Jaskanwar Batra, M.D.Los Angeles, CA 900331033183926
  4. William Bondareff, MD,PHDLos Angeles, CA 900331225074156
  5. Timothy Botello, MDLos Angeles, CA 900331477581346
  6. Lawrence Gross, M.D.Los Angeles, CA 900331427032366
  7. Michael Hernandez, M.D.Los Angeles, CA 900331508865023
  8. Thomas Hicklin, MDLos Angeles, CA 900331548284383

Common questions

What is Abigail Onderwyzer Gold's NPI number?

Abigail Onderwyzer Gold's National Provider Identifier (NPI) is 1629828843, issued on Mar 22, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Abigail Onderwyzer Gold located?

The NPPES record lists a practice address at 1200 N State Street, Los Angeles, CA, 90033. Phone: (323) 409-5555. Providers update this record themselves, so call before visiting.

How can I verify Abigail Onderwyzer Gold's license?

NPPES lists California license number 15136, 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.

How much does Abigail Onderwyzer Gold prescribe under Medicare Part D?

In 2024, Abigail Onderwyzer Gold had 14 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.