Doctor profile · Federal record

Dr. Gina-Nga Nguyen, M.D.

Family Medicine Physician (CMS: Family Practice) · Costa Mesa, CA

  • NPI 1710035688
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
660 Baker St Ste A101
Costa Mesa, CA 926264407
(714) 668-2500
fax (714) 668-2515
Mailing address
Po Box 2218
Suisun City, CA 945855218

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
August 10, 2023
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A87270

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710035688. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
229
Distinct HCPCS
2
Medicare allowed
$21,072
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 170 78 $106
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 59 59 $52

In context: peer comparison

Among 10 peers in this city , average services per provider: 126. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$82
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 3 $66.90
PFIZER INC. 1 $15.29

By nature of payment

Food and Beverage
$82

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,520
Patients
458
Total drug cost
$26,236
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 303 97 $5,357
Levothyroxine Sodium Generic 150 43 $3,646
Losartan Potassium Generic 149 44 $3,246
Amlodipine Besylate Generic 135 42 $1,642
Lisinopril Generic 119 37 $1,327
Alendronate Sodium Generic 103 30 $1,510
Hydrochlorothiazide Generic 87 24 $663
Metformin Hcl Generic 79 22 $1,143
Atenolol Generic 72 20 $833
Metoprolol Succinate Generic 72 23 $1,778

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gina-Nga Nguyen's medical specialty?
Dr. Gina-Nga Nguyen practices Family Medicine Physician in Costa Mesa, CA.
Where does Dr. Gina-Nga Nguyen practice?
Dr. Gina-Nga Nguyen practices at 660 Baker St Ste A101, Costa Mesa, CA 926264407. Office phone: 7146682500.
What is Dr. Gina-Nga Nguyen's NPI?
Dr. Gina-Nga Nguyen's National Provider Identifier (NPI) is 1710035688, issued by NPPES.
Does Dr. Gina-Nga Nguyen accept Medicare assignment?
Yes. Dr. Gina-Nga Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gina-Nga Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.