Physician Profile
Yiu Fun Derek Lee, M.D practices obstetrics & gynecology in Hacienda Heights, CA. Yiu Fun Derek is a 1993 graduate of University of California, Davis School of Medicine. Medicare claims data shows Yiu Fun Derek provided 141 services to 112 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory, and cervical or vaginal cancer screening; pelvic and clinical breast examination.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
16388 COLIMA RD STE 206
Hacienda Heights, CA 91745
Within Obstetrics and Gynecology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Infections and vulvovaginal conditions
Menstrual and hormonal
Pelvic pain and benign gynecology
Pregnancy
Cancer and precancer
Contraception
Fertility
Infections
Pregnancy Complications
Vaginal & Vulvar Health
Most searched procedures
Contraception and office treatment
Pregnancy and delivery
Preventive and diagnostic
Birth Control
Contraception
Diagnostic Procedures
Fertility
Hormone & Menopause
Laparoscopic and adnexal surgery
Pelvic floor
Postpartum Care
Pregnancy & Prenatal
Preventive Care
Preventive Screening
Routine Exams
Surgeries
Uterine and cervical procedures
141 services · 112 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
75 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
25 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
25 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Yiu Fun Derek Lee is an OB-GYN in Hacienda Heights, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Yiu Fun Derek Lee is listed at 16388 Colima Rd Ste 206, Hacienda Heights, CA 91745. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (626) 369-1886. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Yiu Fun Derek Lee's National Provider Identifier is 1114081981. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Yiu Fun Derek Lee attended University of California, Davis School of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Yiu Fun Derek Lee has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Yiu Fun Derek Lee the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Yiu Fun Derek Lee. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.