Lucy Yusun Won, D.O.
Psychiatry Physician · Los Angeles, CA
Lucy Yusun Won, D.O. is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1497172613, issued on Mar 26, 2014. Check the license (California 20A15920, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lucy Yusun Won
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 20A15920 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4221 Wilshire Blvd Ste 311, Los Angeles, CA 90010
- Phone
- (323) 917-5155
- Enumerated
- Mar 26, 2014
- Record last updated
- May 26, 2023
- Medicare enrollment
- Enrolled (PECOS I20181004002595); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4221 Wilshire Blvd Ste 311
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Soonja Lee, PSYCHOLOGISTPsychologist1265714638
Verify Lucy Yusun Won in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15920Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.8 times the Medicare Part D claims of the average psychiatry physician in 2024
4,814 Medicare Part D claims for 362 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Escitalopram Oxalate489 claims
- Sertraline Hcl469 claims
- Quetiapine Fumarate375 claims
- Trazodone Hcl329 claims
- Risperidone215 claims
- Lorazepam202 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.
Industry payments in 2024: $2,016.56
77 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Access Community Health CenterSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 987 in Los Angeles → All 8,673 in California → Every provider in Los Angeles →
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Brenda Abarca, MDTorrance, CA1407485527
- Pilar Abascal, M.D.Los Angeles, CA1730528191
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Lucy Yusun Won, D.O.'s NPI number?
Lucy Yusun Won, D.O.'s National Provider Identifier (NPI) is 1497172613, issued on Mar 26, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Lucy Yusun Won, D.O. located?
The NPPES record lists a practice address at 4221 Wilshire Blvd Ste 311, Los Angeles, CA, 90010. Phone: (323) 917-5155. Providers update this record themselves, so call before visiting.
How can I verify Lucy Yusun Won, D.O.'s license?
NPPES lists California license number 20A15920, 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 Lucy Yusun Won, D.O. prescribe under Medicare Part D?
In 2024, Lucy Yusun Won, D.O. had 4,814 Medicare Part D claims for 362 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.