Doctor profile · Federal record

Dr. Stephen Yuen, PA

Physician Assistant · Van Nuys, CA

  • NPI 1134534886
  • Accepts Medicare
  • MIPS 86.2 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6815 Noble Ave
Van Nuys, CA 914053796
(818) 901-6600
fax (818) 901-4579

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
June 23, 2014
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #51696

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134534886. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
558
Distinct HCPCS
9
Medicare allowed
$41,602
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 206 189 $31
99213 Established patient office or other outpatient visit, 20-29 minutes 104 99 $58
99203 New patient office or other outpatient visit, 30-44 minutes 67 67 $71
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $111
99214 Established patient office or other outpatient visit, 30-39 minutes 39 39 $83
27447 Replacement of knee joint, both sides of knee 38 38 $207
27446 Replacement of knee joint on side of knee 24 24 $173
20610 Aspiration and/or injection of fluid from large joint 20 16 $44
27130 Replacement of thigh bone and hip joint with prosthesis 20 20 $199

In context: peer comparison

Among 9 peers in this city , average services per provider: 92. This provider delivers 6.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
149
Patients
68
Total drug cost
$1,097
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 80 46 $366
Tramadol Hcl Generic 35 22 $147
Celecoxib Generic 21 0 $491
Gabapentin Generic 13 0 $93

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Yuen's medical specialty?
Dr. Stephen Yuen practices Physician Assistant in Van Nuys, CA.
Where does Dr. Stephen Yuen practice?
Dr. Stephen Yuen practices at 6815 Noble Ave, Van Nuys, CA 914053796. Office phone: 8189016600.
What is Dr. Stephen Yuen's NPI?
Dr. Stephen Yuen's National Provider Identifier (NPI) is 1134534886, issued by NPPES.
Does Dr. Stephen Yuen accept Medicare assignment?
Yes. Dr. Stephen Yuen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Yuen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.