Doctor profile · Federal record

Dr. Hien Nguyen, DO

Family Medicine Physician (CMS: Family Practice) · Garden Grove, CA

  • NPI 1902335904
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12942 Harbor Blvd
Garden Grove, CA 928405809
(714) 705-2120
fax (714) 705-8139

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
November 9, 2021
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A17081

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902335904. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
150
Distinct HCPCS
4
Medicare allowed
$16,938
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 83 49 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 41 34 $99
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 13 13 $76
G0008 Administration of influenza virus vaccine 13 13 $29

In context: peer comparison

Among 14 peers in this city , average services per provider: 262. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
983
Patients
391
Total drug cost
$17,550
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 171 61 $3,819
Losartan Potassium Generic 145 46 $3,089
Amlodipine Besylate Generic 78 34 $1,093
Lisinopril Generic 64 20 $866
Metformin Hcl Generic 64 22 $926
Levothyroxine Sodium Generic 59 22 $1,200
Alendronate Sodium Generic 56 20 $904
Hydrochlorothiazide Generic 53 20 $344
Montelukast Sodium Generic 49 20 $707
Azithromycin Generic 42 34 $157

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hien Nguyen's medical specialty?
Dr. Hien Nguyen practices Family Medicine Physician in Garden Grove, CA.
Where does Dr. Hien Nguyen practice?
Dr. Hien Nguyen practices at 12942 Harbor Blvd, Garden Grove, CA 928405809. Office phone: 7147052120.
What is Dr. Hien Nguyen's NPI?
Dr. Hien Nguyen's National Provider Identifier (NPI) is 1902335904, issued by NPPES.
Does Dr. Hien Nguyen accept Medicare assignment?
Yes. Dr. Hien Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hien Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage (HCPCS 90694). Source: CMS Medicare Physician & Other Practitioners file.