Doctor profile · Federal record

Dr. James Hwong, M.D.

Urology Physician (CMS: Urology) · Student in an Organized Health Care Education/Training Program · Los Angeles, CA

  • NPI 1629335476
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
10833 le Conte Ave
Los Angeles, CA 900956110
(310) 794-7700
Additional location
75 Francis St
Boston, MA 021156110
(617) 732-5500
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
208800000X — NUCC code
State license (1)
California #A149247

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629335476. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
820
Distinct HCPCS
10
Medicare allowed
$95,704
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 329 181 $153
81000 Manual urinalysis test with examination using microscope, non-automated 259 179 $4
99204 New patient office or other outpatient visit, 45-59 minutes 53 53 $198
52000 Diagnostic exam of bladder and urethra using an endoscope 46 40 $262
99215 Established patient office or other outpatient visit, 40-54 minutes 32 21 $214
51798 Ultrasound measurement of bladder capacity after voiding 27 21 $15
76872 Ultrasound scan of pelvic region through rectum 26 26 $185
51728 Complex measurement of pressure of urine flow in bladder with voiding pressure studies 16 16 $485
51741 Electronic assessment of bladder emptying 16 16 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 16 15 $109

In context: peer comparison

Among 54 peers in Los Angeles Urology Physician, average services per provider: 339. This provider delivers 2.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$994
Transactions
33
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 7 $209.07
Accord Healthcare, INC. 4 $131.02
AstraZeneca Pharmaceuticals Lp 4 $117.77
Astellas Pharma US INC 3 $105.00
Sumitomo Pharma America, INC. 3 $101.93
Pfizer INC. 4 $99.77
Bayer Healthcare Pharmaceuticals INC. 3 $78.91
Boston Scientific Corporation 2 $74.20
Axonics, INC. 1 $29.82
Coloplast Corp 1 $26.33
Olympus America INC. 1 $19.70

By nature of payment

Food and Beverage
$994

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,424
Patients
545
Total drug cost
$1,236,285
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 627 239 $16,631
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 215 76 $12,090
Ciprofloxacin Hcl Generic 154 124 $741
Finasteride Generic 94 41 $2,488
Gemtesa (Vibegron) Brand 59 22 $56,935
Myrbetriq (Mirabegron) Brand 56 11 $36,643
Orgovyx (Relugolix) Brand 55 0 $144,794
Erleada (Apalutamide) Brand 39 0 $636,280
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 39 32 $208
Doxazosin Mesylate Generic 21 0 $678

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Hwong's medical specialty?
Dr. James Hwong practices Urology Physician in Los Angeles, CA.
Where does Dr. James Hwong practice?
Dr. James Hwong practices at 10833 le Conte Ave, Los Angeles, CA 900956110. Office phone: 3107947700.
What is Dr. James Hwong's NPI?
Dr. James Hwong's National Provider Identifier (NPI) is 1629335476, issued by NPPES.
Does Dr. James Hwong accept Medicare assignment?
Yes. Dr. James Hwong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Hwong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Manual urinalysis test with examination using microscope, non-automated (HCPCS 81000); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.