Gregory Wookoun Lee, M.D.
Family Medicine Physician · Richmond, CA
Gregory Wookoun Lee, M.D. is a family medicine physician with a practice address in Richmond, California, and NPI 1649255282, issued on Dec 7, 2005. Check the license (California C54517, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Wookoun Lee
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- C54517 CA
MD10976 HI
036-094244 IL
Self-reported in NPPES; status is on the state search - Practice location
- 901 Nevin Ave, Richmond, CA 94801
- Phone
- (510) 307-1555
- Enumerated
- Dec 7, 2005
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 901 Nevin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Samina Agha, MDHospitalist Physician1548345200
- Jessica Alfonso, RRTRegistered Respiratory Therapist1295507598
Verify Gregory Wookoun Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C54517Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family medicine physician in 2024
177 Medicare Part D claims for 85 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium18 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.
Gregory Wookoun Lee among 17,133 family medicine physician records in California
Gregory Wookoun Lee, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 family medicine physician records list a practice address in Richmond
They are 27 of the 1,696 NPPES records with a practice address in Richmond, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Richmond → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Justin Chin, DORichmond, CA 948011699399006
- Rebecca Citron, MDRichmond, CA 948011730613142
- Earl Clark, MDRichmond, CA 948011104387174
- Jan Diamond, MDRichmond, CA 948011326116898
- Mary Gauthier, M.D.Richmond, CA 948011487823936
- Daniel Hans, D.O.Richmond, CA 948011881081065
- Kristina Heller, D.O.Richmond, CA 948011780046987
- Ki Kim, D.O.Richmond, CA 948011548556665
Common questions
What is Gregory Wookoun Lee, M.D.'s NPI number?
Gregory Wookoun Lee, M.D.'s National Provider Identifier (NPI) is 1649255282, issued on Dec 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Wookoun Lee, M.D. located?
The NPPES record lists a practice address at 901 Nevin Ave, Richmond, CA, 94801. Phone: (510) 307-1555. Providers update this record themselves, so call before visiting.
How can I verify Gregory Wookoun Lee, M.D.'s license?
NPPES lists California license number C54517, 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 Gregory Wookoun Lee, M.D. prescribe under Medicare Part D?
In 2024, Gregory Wookoun Lee, M.D. had 177 Medicare Part D claims for 85 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.