NPPES file of Aug 9, 2026

Shawna Chan, MD

Psychiatry Physician · Los Angeles, CA

Shawna Chan, MD is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1326676321, issued on Mar 27, 2020. Check the license (California PTL4834, 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
1326676321
Name
Shawna Chan
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
PTL4834 CA
180403 CA
Self-reported in NPPES; status is on the state search
Practice location
760 Westwood Plz, Los Angeles, CA 90095
Phone
(310) 825-1289
Enumerated
Mar 27, 2020
Record last updated
Aug 2, 2022
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 760 Westwood Plz

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

  1. Zachary Blumenfeld, MD, PHDStudent in an Organized Health Care Education/Training Program1487486106
  2. Xavier Cagigas, PH.D.Clinical Psychologist1992952816
  3. Lindsay EmbreeClinical Neuropsychologist1386047587
  4. Reina Factor, PHDClinical Psychologist1679282438
  5. Colin Gallagher, PH.D.Clinical Psychologist1699394270
  6. Theodore Hutman, PH.D.Intellectual & Developmental Disabilities Psychologist1730438227

Verify Shawna Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license PTL4834
    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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69% fewer Medicare Part D claims than the average psychiatry physician in 2024

310 Medicare Part D claims for 29 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Shawna Chan310
  2. Specialty average1,000

Most prescribed

  1. Clozapine31 claims
  2. Bupropion Xl26 claims
  3. Clonazepam18 claims
  4. Lorazepam17 claims
  5. Olanzapine17 claims
  6. Quetiapine Fumarate17 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.

Shawna Chan among 8,673 psychiatry physician records in California

Shawna Chan, 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 2020, is newer than 87% of them.

  • NPI issued2020 · 87% of these records are older, 9% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2022 · 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. Natalie Ayars, MDLos Angeles, CA 900951285665364
  2. Laurie Casaus, MDLos Angeles, CA 900951093755449
  3. Philip Cogen, M.D.Los Angeles, CA 900951831130426
  4. Melita Daley, MDLos Angeles, CA 900951982635058
  5. Michael Enenbach, MDLos Angeles, CA 900951477583953
  6. Stephanny Freeman, PHDLos Angeles, CA 900951891732194
  7. Helen Lavretsky, M.D.Los Angeles, CA 900951881627404
  8. Patricia Lester, MDLos Angeles, CA 900951760415277

Common questions

What is Shawna Chan, MD's NPI number?

Shawna Chan, MD's National Provider Identifier (NPI) is 1326676321, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Shawna Chan, MD located?

The NPPES record lists a practice address at 760 Westwood Plz, Los Angeles, CA, 90095. Phone: (310) 825-1289. Providers update this record themselves, so call before visiting.

How can I verify Shawna Chan, MD's license?

NPPES lists California license number PTL4834, 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 Shawna Chan, MD prescribe under Medicare Part D?

In 2024, Shawna Chan, MD had 310 Medicare Part D claims for 29 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.