NPPES file of Aug 9, 2026

Angie Young Koo, MD

Psychiatry Physician · Los Angeles, CA

Angie Young Koo, MD is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1649858044, issued on Mar 29, 2021. Check the license (California A181024, 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
1649858044
Name
Angie Young Koo
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A181024 CA
Self-reported in NPPES; status is on the state search
Practice location
5419 W Sunset Blvd, Los Angeles, CA 90027
Phone
(323) 769-6100
Enumerated
Mar 29, 2021
Record last updated
Nov 14, 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 5419 W Sunset Blvd

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

  1. Andrew AguilarDay Training/Habilitation Specialist1174472591
  2. Amber Baysinger, MD, PHDPsychiatry Physician1194351189
  3. Tanya Berry, R1516360723Rehabilitation Practitioner1508642315
  4. Eleanor Bray, MSW, ACSWClinical Social Worker1467282202
  5. Rocio BurgosDay Training/Habilitation Specialist1801715453
  6. Richard CruzDay Training/Habilitation Specialist1104507185

Verify Angie Young Koo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A181024
    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

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82% fewer Medicare Part D claims than the average psychiatry physician in 2024

177 Medicare Part D claims for 13 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Angie Koo177
  2. Specialty average1,000

Most prescribed

  1. Bupropion Xl23 claims
  2. Aripiprazole16 claims
  3. Lurasidone Hcl16 claims
  4. Gabapentin13 claims
  5. Prazosin Hcl13 claims
  6. Clozapine12 claims

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.

Angie Young Koo among 8,673 psychiatry physician records in California

Angie Young Koo, MD 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 2021, is newer than 91% of them.

  • NPI issued2021 · 91% of these records are older, 7% 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. Randall Bailey, M.D.Los Angeles, CA 900271619146008
  2. Wendell Hino, MDLos Angeles, CA 900271700945318
  3. Eric Lee, MDLos Angeles, CA 900271912297177
  4. Ann McIntosh, MDLos Angeles, CA 900271316095383
  5. Adrian Mirea, MDLos Angeles, CA 900271003983024
  6. James Moore, MDLos Angeles, CA 900271093886905
  7. George Morga, MDLos Angeles, CA 900271427129469
  8. Vladimir Olshanskiy, MDLos Angeles, CA 900271033280961

Common questions

What is Angie Young Koo, MD's NPI number?

Angie Young Koo, MD's National Provider Identifier (NPI) is 1649858044, issued on Mar 29, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Angie Young Koo, MD located?

The NPPES record lists a practice address at 5419 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 769-6100. Providers update this record themselves, so call before visiting.

How can I verify Angie Young Koo, MD's license?

NPPES lists California license number A181024, 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 Angie Young Koo, MD prescribe under Medicare Part D?

In 2024, Angie Young Koo, MD had 177 Medicare Part D claims for 13 beneficiaries; 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.