Doctor profile · Federal record

Dr. Stephen Lee, MD

Gynecologic Oncology Physician · Obstetrics & Gynecology Physician · Gynecologic Oncology Physician · Duarte, CA

  • NPI 1114185923
  • MIPS 91.9 / 100 · 2023
  • 18 yrs on file
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1500 Duarte RD
Duarte, CA 910103012
(626) 471-7100
fax (626) 471-7155
Additional location
209 Fair Oaks Ave
South Pasadena, CA 910301814
(626) 396-2900
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
November 11, 2020
Specialty taxonomy
207VX0201X — NUCC code
State licenses (2)
California #A137492 · New York #260997

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114185923. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
381
Distinct HCPCS
10
Medicare allowed
$46,635
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 107 69 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 66 48 $98
99213 Established patient office or other outpatient visit, 20-29 minutes 53 45 $68
99214 Established patient office or other outpatient visit, 30-39 minutes 47 29 $135
99215 Established patient office or other outpatient visit, 40-54 minutes 28 22 $151
99205 New patient office or other outpatient visit, 60-74 minutes 19 19 $190
99215 Established patient office or other outpatient visit, 40-54 minutes 18 15 $192
99205 New patient office or other outpatient visit, 60-74 minutes 17 17 $225
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $180
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $140

In context: peer comparison

Among 4 peers in this city , average services per provider: 51. This provider delivers 7.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$11,190
Transactions
25
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Ethicon Inc. 12 $8,900.00
INTUITIVE SURGICAL, INC. 11 $2,251.72
ABBVIE INC. 1 $21.80
Merck Sharp & Dohme LLC 1 $16.78

By nature of payment

Consulting Fee
$8,900
Travel and Lodging
$1,140
Education
$1,000
Food and Beverage
$151

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
0
Total drug cost
$2,353
Drug Type Claims Patients Total cost
Estradiol Generic 17 0 $2,353

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Lee's medical specialty?
Dr. Stephen Lee practices Gynecologic Oncology Physician in Duarte, CA.
Where does Dr. Stephen Lee practice?
Dr. Stephen Lee practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 6264717100.
What is Dr. Stephen Lee's NPI?
Dr. Stephen Lee's National Provider Identifier (NPI) is 1114185923, issued by NPPES.
What procedures does Dr. Stephen Lee commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.