NPPES file of Aug 9, 2026

Yiu Fun Derek Lee, M.D

Obstetrics & Gynecology Physician · Hacienda Heights, CA

Yiu Fun Derek Lee, M.D is an obstetrics & gynecology physician with a practice address in Hacienda Heights, California, and NPI 1114081981, issued on Dec 19, 2006. Check the license (California G81110, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114081981
Name
Yiu Fun Derek Lee
Credential
M.D
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G81110 CA
Self-reported in NPPES; status is on the state search
Practice location
16388 Colima RD Ste 206, Hacienda Heights, CA 91745
Phone
(626) 369-1886
Enumerated
Dec 19, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
00G811100 CA
Medicare enrollment
Enrolled (PECOS I20070801000869); may accept Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 1993
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Yiu Fun Derek Lee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G81110
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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88% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

19 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Yiu Fun Derek Lee19
  2. Specialty average165

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.

Yiu Fun Derek Lee among 5,088 obstetrics & gynecology physician records in California

Yiu Fun Derek Lee, M.D 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1993 · median 2004 among the 2,700 with a school on file
  • Record last updated2007 · 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.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Jorge Flores, M.D.Hacienda Heights, CA 917451710064415
  2. Abraham Han, M.D.Hacienda Heights, CA 917451528084878
  3. Jacqueline Bracy, M.D.Glendora, CA 917411396806253
  4. Oriel NissimGlendora, CA 917411447606694
  5. Steven Alvarez-Mott, M.D.Glendora, CA 917401659373850
  6. Najib Bouz, M.D.Glendora, CA 917401265434591
  7. Samuel Kassar, MDGlendora, CA 917401205151032
  8. Naim Kassar, M.D.Glendora, CA 917401417959628

Common questions

What is Yiu Fun Derek Lee, M.D's NPI number?

Yiu Fun Derek Lee, M.D's National Provider Identifier (NPI) is 1114081981, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yiu Fun Derek Lee, M.D located?

The NPPES record lists a practice address at 16388 Colima RD Ste 206, Hacienda Heights, CA, 91745. Phone: (626) 369-1886. Providers update this record themselves, so call before visiting.

How can I verify Yiu Fun Derek Lee, M.D's license?

NPPES lists California license number G81110, 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 Yiu Fun Derek Lee, M.D prescribe under Medicare Part D?

In 2024, Yiu Fun Derek Lee, M.D had 19 Medicare Part D claims; 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.