Jennifer Eun Joo Lee, D.O.
Obstetrics & Gynecology Physician · Simi Valley, CA
Jennifer Eun Joo Lee, D.O. is an obstetrics & gynecology physician with a practice address in Simi Valley, California, and NPI 1033502869, issued on Mar 18, 2015. Check the license (California 20A17453, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jennifer Eun Joo Lee
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 20A17453 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1147 Red Tail Way, Simi Valley, CA 93065
- Phone
- (805) 527-8055
- Enumerated
- Mar 18, 2015
- Record last updated
- Sep 5, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210305000563); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1147 Red Tail Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittney Ayers, NURSE PRACTITIONERFamily Nurse Practitioner1114454816
- Sarah Garcia, D.O.Obstetrics & Gynecology Physician1790088714
- Catherine Kim, MDObstetrics & Gynecology Physician1972596120
- John Koh, MDObstetrics & Gynecology Physician1841283009
- Ga Lee, M.D.Obstetrics & Gynecology Physician1497918254
- Gerald Murphy, MDObstetrics & Gynecology Physician1023001286
Verify Jennifer Eun Joo Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
74 Medicare Part D claims for 40 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Valacyclovir13 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: $2,683.97
10 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Simi Obstetrics And Gynecology Medical Group A Medical CorpSimi Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Eun Joo Lee among 5,088 obstetrics & gynecology physician records in California
Jennifer Eun Joo Lee, D.O. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2019 · median 2004 among the 2,700 with a school on file
- Record last updated2019 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Simi Valley → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Sarah Garcia, D.O.Simi Valley, CA 930651790088714
- Catherine Kim, MDSimi Valley, CA 930651972596120
- John Koh, MDSimi Valley, CA 930651841283009
- Ga Lee, M.D.Simi Valley, CA 930651497918254
- Gerald Murphy, MDSimi Valley, CA 930651023001286
- Abigail NimzSimi Valley, CA 930651750736260
- Roopa Rao-Karlamangla, M.D.Simi Valley, CA 930651588650865
- Irene Tan, M.D.Simi Valley, CA 930651699942425
Common questions
What is Jennifer Eun Joo Lee, D.O.'s NPI number?
Jennifer Eun Joo Lee, D.O.'s National Provider Identifier (NPI) is 1033502869, issued on Mar 18, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Eun Joo Lee, D.O. located?
The NPPES record lists a practice address at 1147 Red Tail Way, Simi Valley, CA, 93065. Phone: (805) 527-8055. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Eun Joo Lee, D.O.'s license?
NPPES lists California license number 20A17453, 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 Jennifer Eun Joo Lee, D.O. prescribe under Medicare Part D?
In 2024, Jennifer Eun Joo Lee, D.O. had 74 Medicare Part D claims for 40 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.