Ellen Eun-Ok Lee, M.D.
Psychiatry Physician · La Jolla, CA
Ellen Eun-Ok Lee, M.D. is a psychiatry physician with a practice address in La Jolla, California, and NPI 1174822639, issued on Mar 23, 2011. Check the license (California A134311, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ellen Eun-Ok Lee
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A134311 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9500 Gilman Dr, La Jolla, CA 92093
- Phone
- (858) 534-4040
- Enumerated
- Mar 23, 2011
- Record last updated
- Jun 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (858) 822-0231
- Medicare enrollment
- Enrolled (PECOS I20160801002574); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 9500 Gilman Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mickey Abraham, MD, MSStudent in an Organized Health Care Education/Training Program1609403732
- Angela Acfalle, NP CNSAdult Health Nurse Practitioner1013983857
- Kelley Adams, M.D.Psychiatry Physician1215039771
- Aaron AhdootStudent in an Organized Health Care Education/Training Program1558217901
- Grace AhnStudent in an Organized Health Care Education/Training Program1295317816
- Ginger Armas, PHDCounselor1396125035
Verify Ellen Eun-Ok Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A134311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average psychiatry physician in 2024
315 Medicare Part D claims for 89 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Clonazepam46 claims
- Sertraline Hcl35 claims
- Mirtazapine26 claims
- Lamotrigine25 claims
- Escitalopram Oxalate18 claims
- Duloxetine Hcl16 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.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellen Eun-Ok Lee among 8,673 psychiatry physician records in California
Ellen Eun-Ok Lee, M.D. 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 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2011 · median 2005 among the 3,295 with a school on file
- Record last updated2015 · 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).
90 psychiatry physician records list a practice address in La Jolla
They are 90 of the 3,648 NPPES records with a practice address in La Jolla, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in La Jolla → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Kelley Adams, M.D.La Jolla, CA 920931215039771
- Abesh Bhattacharjee, M.D., PH.D.La Jolla, CA 920931922393388
- Kristin Cadenhead, MDLa Jolla, CA 920931194744839
- Nancy Downs, M.D.La Jolla, CA 920931871735324
- John KeltnerLa Jolla, CA 920931740447416
- Steve Koh, M.DLa Jolla, CA 920931467650473
- Sandra Lim, DOLa Jolla, CA 920931083963094
- Dorothy Liu-Barbaro, M.D.La Jolla, CA 920931851602270
Common questions
What is Ellen Eun-Ok Lee, M.D.'s NPI number?
Ellen Eun-Ok Lee, M.D.'s National Provider Identifier (NPI) is 1174822639, issued on Mar 23, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Eun-Ok Lee, M.D. located?
The NPPES record lists a practice address at 9500 Gilman Dr, La Jolla, CA, 92093. Phone: (858) 534-4040. Providers update this record themselves, so call before visiting.
How can I verify Ellen Eun-Ok Lee, M.D.'s license?
NPPES lists California license number A134311, 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 Ellen Eun-Ok Lee, M.D. prescribe under Medicare Part D?
In 2024, Ellen Eun-Ok Lee, M.D. had 315 Medicare Part D claims for 89 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.