Doctor profile · Federal record

Dr. Jonathan Yamzon, M.D.

Urology Physician (CMS: Urology) · Duarte, CA

  • NPI 1093943854
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Duarte RD
Duarte, CA 910103012
(626) 359-8111
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
November 24, 2020
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
208800000X — NUCC code
State license (1)
California #A95822

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093943854. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
235
Distinct HCPCS
8
Medicare allowed
$30,316
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 64 64 $191
99215 Established patient office or other outpatient visit, 40-54 minutes 45 42 $151
52000 Diagnostic exam of bladder and urethra using an endoscope 32 25 $83
55700 Biopsy of prostate gland 30 30 $134
76942 Ultrasonic guidance for needle placement 23 23 $32
99214 Established patient office or other outpatient visit, 30-39 minutes 14 14 $103
99215 Established patient office or other outpatient visit, 40-54 minutes 14 13 $151
74420 Imaging of urinary tract following injection of a contrast agent 13 11 $26

In context: peer comparison

Among 6 peers in this city , average services per provider: 234. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$242
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
UROGEN PHARMA, INC. 3 $172.71
Eisai Inc. 2 $47.48
Janssen Biotech, Inc. 1 $21.32

By nature of payment

Food and Beverage
$242

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
13
Total drug cost
$173
Drug Type Claims Patients Total cost
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 13 13 $32
Tamsulosin Hcl Generic 11 0 $141

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Yamzon's medical specialty?
Dr. Jonathan Yamzon practices Urology Physician in Duarte, CA.
Where does Dr. Jonathan Yamzon practice?
Dr. Jonathan Yamzon practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 6263598111.
What is Dr. Jonathan Yamzon's NPI?
Dr. Jonathan Yamzon's National Provider Identifier (NPI) is 1093943854, issued by NPPES.
Does Dr. Jonathan Yamzon accept Medicare assignment?
Yes. Dr. Jonathan Yamzon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Yamzon commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99215); Diagnostic exam of bladder and urethra using an endoscope (HCPCS 52000). Source: CMS Medicare Physician & Other Practitioners file.