Doctor profile · Federal record

Dr. Chi Nguyen, M.D.

Personal Emergency Response Attendant (CMS: Emergency Medicine) · Emergency Medicine Physician · Fountain Valley, CA

  • NPI 1972569903
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
17100 Euclid Avenue
Fountain Valley, CA 92708
(714) 966-8105
Mailing address
6512 Oakhurst Cir
Huntington Beach, CA 926486636

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
May 19, 2008
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
146D00000X — NUCC code
State license (1)
California #G77715
Medicaid
CA #00G777150

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972569903. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
405
Distinct HCPCS
4
Medicare allowed
$71,120
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 211 207 $181
99284 Emergency department visit with moderate level of medical decision making 91 89 $125
99291 Critical care, first 30-74 minutes 84 81 $223
31500 Emergent insertion of breathing tube into windpipe using an endoscope 19 17 $145

In context: peer comparison

Among 1 peers in Fountain Valley Personal Emergency Response Attendant, average services per provider: 101. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
149
Patients
124
Total drug cost
$3,329
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 44 44 $289
Levofloxacin Generic 31 31 $211
Rytary (Carbidopa/Levodopa) Brand 25 0 $2,640
Ibuprofen Generic 18 18 $64
Prednisone Generic 17 17 $61
Ondansetron Odt (Ondansetron) Brand 14 14 $64

Frequently asked questions

Auto-generated from federal data
What is Dr. Chi Nguyen's medical specialty?
Dr. Chi Nguyen practices Personal Emergency Response Attendant in Fountain Valley, CA.
Where does Dr. Chi Nguyen practice?
Dr. Chi Nguyen practices at 17100 Euclid Avenue, Fountain Valley, CA 92708. Office phone: 7149668105.
What is Dr. Chi Nguyen's NPI?
Dr. Chi Nguyen's National Provider Identifier (NPI) is 1972569903, issued by NPPES.
Does Dr. Chi Nguyen accept Medicare assignment?
Yes. Dr. Chi Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chi Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.