Doctor profile · Federal record

Dr. Thomas Hwang, M.D.

Urology Physician · Duarte, CA

  • NPI 1083119564
  • 8 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
July 31, 2023
Specialty taxonomy
208800000X — NUCC code
State license (1)
California #A186625

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083119564. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
88
Distinct HCPCS
4
Medicare allowed
$7,348
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 36 19 $52
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 25 23 $87
55866 Surgical removal of prostate and surrounding lymph nodes using an endoscope 14 14 $185
38571 Removal of lymph nodes of both sides of pelvis using an endoscope 13 13 $56

In context: peer comparison

Among 6 peers in Duarte Urology Physician, average services per provider: 234. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$137
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 2 $137.38

By nature of payment

Food and Beverage
$137

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
15
Patients
15
Total drug cost
$24
Drug Type Claims Patients Total cost
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 15 15 $24

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Hwang's medical specialty?
Dr. Thomas Hwang practices Urology Physician in Duarte, CA.
Where does Dr. Thomas Hwang practice?
Dr. Thomas Hwang practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 6262564673.
What is Dr. Thomas Hwang's NPI?
Dr. Thomas Hwang's National Provider Identifier (NPI) is 1083119564, issued by NPPES.
What procedures does Dr. Thomas Hwang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Surgical removal of prostate and surrounding lymph nodes using an endoscope (HCPCS 55866). Source: CMS Medicare Physician & Other Practitioners file.