Haley Hersant
Psychiatry Physician · Los Angeles, CA
Haley Hersant is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1457111940, issued on Mar 21, 2024. Check the license (California 15923, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Haley Hersant
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 15923 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N State St, Los Angeles, CA 90089
- Phone
- (323) 409-5555
- Enumerated
- Mar 21, 2024
- Record last updated
- Jul 18, 2025
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1200 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Haley Hersant in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 15923Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average psychiatry physician in 2024
25 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Haley Hersant among 8,673 psychiatry physician records in California
Haley Hersant 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.
All 8,673 in California → Every provider in Los Angeles → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Kiyomi Ameriks, DOLos Angeles, CA 900891093088338
- Kimberly Brown, MDLos Angeles, CA 900891205100526
- Bryan Chamberlain, M.D.Los Angeles, CA 900891437445160
- Michael Choi, M.D.Los Angeles, CA 900891194048827
- Irma Cu, M.D.Los Angeles, CA 900891851576821
- Emily Dossett, MDLos Angeles, CA 900891053562439
- Falyne Fry, M.D.Los Angeles, CA 900891629384029
- Stanley Harris, M.D.Los Angeles, CA 900891548486632
Common questions
What is Haley Hersant's NPI number?
Haley Hersant's National Provider Identifier (NPI) is 1457111940, issued on Mar 21, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Haley Hersant located?
The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90089. Phone: (323) 409-5555. Providers update this record themselves, so call before visiting.
How can I verify Haley Hersant's license?
NPPES lists California license number 15923, 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 Haley Hersant prescribe under Medicare Part D?
In 2024, Haley Hersant had 25 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.