Doctor profile · Federal record

Dr. Johnny Nghiem, PA-C

Physician Assistant · Colton, CA

  • NPI 1285381525
  • Accepts Medicare
  • MIPS 61.6 / 100 · 2023
  • 5 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 N Pepper Ave
Colton, CA 923241801
(909) 580-3390
Mailing address
1901 W Lugonia Ave Ste 240
Redlands, CA 923749705

Credentials & registration

NPPES · NUCC
NPI registered
March 2022 — 4 yrs on file
Profile last updated
October 27, 2023
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #60700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285381525. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$1,247
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 12 12 $104

In context: peer comparison

Among 33 peers in this city , average services per provider: 58. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
37
Patients
36
Total drug cost
$1,345
Drug Type Claims Patients Total cost
Naloxone Hcl Generic 23 22 $1,223
Oxycodone Hcl Generic 14 14 $123

Frequently asked questions

Auto-generated from federal data
What is Dr. Johnny Nghiem's medical specialty?
Dr. Johnny Nghiem practices Physician Assistant in Colton, CA.
Where does Dr. Johnny Nghiem practice?
Dr. Johnny Nghiem practices at 400 N Pepper Ave, Colton, CA 923241801. Office phone: 9095803390.
What is Dr. Johnny Nghiem's NPI?
Dr. Johnny Nghiem's National Provider Identifier (NPI) is 1285381525, issued by NPPES.
Does Dr. Johnny Nghiem accept Medicare assignment?
Yes. Dr. Johnny Nghiem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johnny Nghiem commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.