Doctor profile · Federal record

Dr. Huy Nguyen, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Mission Viejo, CA

  • NPI 1851514640
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
27800 Medical Center RD, Suite 222
Mission Viejo, CA 926916410
(949) 276-2446
fax (949) 276-2449

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
July 20, 2015
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #A89993

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851514640. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,591
Distinct HCPCS
10
Medicare allowed
$319,027
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 398 245 $139
J2785 Injection, regadenoson, 0.1 mg 344 86 $53
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 322 314 $9
A9500 Technetium tc-99m sestamibi, diagnostic, per study dose 213 107 $81
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 203 197 $221
99204 New patient office or other outpatient visit, 45-59 minutes 154 154 $179
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days 152 22 $27
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 134 134 $16
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 110 110 $68
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect 109 109 $505

In context: peer comparison

Among 5 peers in this city , average services per provider: 129. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,277
Transactions
59
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
BIOTRONIK INC. 2 $226.25
SCPHARMACEUTICALS INC. 6 $175.30
Boehringer Ingelheim Pharmaceuticals, Inc. 13 $173.63
Amgen Inc. 11 $160.21
Novartis Pharmaceuticals Corporation 8 $133.51
Medtronic, Inc. 3 $65.86
Kiniksa Pharmaceuticals International, plc 3 $62.23
AstraZeneca Pharmaceuticals LP 3 $58.95
E.R. Squibb & Sons, L.L.C. 2 $47.10
Abbott Laboratories 2 $40.84
SANOFI-AVENTIS U.S. LLC 1 $31.20
Janssen Pharmaceuticals, Inc 2 $28.44
Boston Scientific Corporation 1 $26.88
Lexicon Pharmaceuticals, Inc. 1 $22.28
ABIOMED 1 $17.61

By nature of payment

Food and Beverage
$1,277

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,133
Patients
664
Total drug cost
$367,562
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 268 96 $4,612
Eliquis (Apixaban) Brand 241 65 $280,107
Losartan Potassium Generic 231 64 $2,847
Rosuvastatin Calcium Generic 212 75 $4,460
Carvedilol Generic 201 67 $2,648
Amlodipine Besylate Generic 178 52 $1,543
Atorvastatin Calcium Generic 157 51 $2,364
Clopidogrel (Clopidogrel Bisulfate) Brand 137 42 $2,347
Flecainide Acetate Generic 120 33 $7,071
Lisinopril Generic 98 32 $1,044

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Huy Nguyen's medical specialty?
Dr. Huy Nguyen practices Cardiovascular Disease Physician in Mission Viejo, CA.
Where does Dr. Huy Nguyen practice?
Dr. Huy Nguyen practices at 27800 Medical Center RD, Mission Viejo, CA 926916410. Office phone: 9492762446.
What is Dr. Huy Nguyen's NPI?
Dr. Huy Nguyen's National Provider Identifier (NPI) is 1851514640, issued by NPPES.
Does Dr. Huy Nguyen accept Medicare assignment?
Yes. Dr. Huy Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Huy Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, regadenoson, 0.1 mg (HCPCS J2785); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.