Doctor profile · Federal record

Dr. Huy Nguyen, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Sunnyvale, CA

  • NPI 1770659252
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 Old San Francisco RD
Sunnyvale, CA 940866386
(408) 730-2800
Mailing address
2350 W El Camino Real Fl 2
Mountain View, CA 940406203

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
June 4, 2019
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
California #A87421 · Hawaii #MD-15305
Medicaid (2)
CA #00A874210 · HI #637259-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770659252. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
25,288
Distinct HCPCS
10
Medicare allowed
$1,069,795
HCPCS Description Services Patients Avg allowed
J9271 Injection, pembrolizumab, 1 mg 11,000 23 $54
J1453 Injection, fosaprepitant, 1 mg 4,650 21 $0
J1459 Injection, immune globulin (privigen), intravenous, non-lyophilized (e.g., liquid), 500 mg 1,590 13 $47
J0897 Injection, denosumab, 1 mg 1,560 13 $23
Q5119 Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg 1,030 11 $27
J1745 Injection, infliximab, excludes biosimilar, 10 mg 1,000 11 $33
J2405 Injection, ondansetron hydrochloride, per 1 mg 896 40 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 631 36 $0
99215 Established patient office or other outpatient visit, 40-54 minutes 464 163 $217
J9201 Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg 204 13 $4

In context: peer comparison

Among 2 peers in Sunnyvale Hematology & Oncology Physician, average services per provider: 570. This provider delivers 44× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$374
Transactions
7
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 2 $143.77
E.R. Squibb & Sons, L.L.C. 1 $122.10
Astellas Pharma US INC 1 $44.99
Genentech USA, INC. 1 $25.23
GlaxoSmithKline, LLC. 1 $21.51
Daiichi Sankyo INC. 1 $16.68

By nature of payment

Food and Beverage
$329
Education
$45

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
582
Patients
165
Total drug cost
$419,984
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 114 21 $84,508
Prednisone Generic 62 18 $330
Acyclovir Generic 54 23 $1,489
Anastrozole Generic 46 12 $2,073
Prochlorperazine Maleate Generic 46 38 $465
Abiraterone Acetate Generic 40 0 $9,477
Hydroxyurea Generic 39 14 $1,343
Letrozole Generic 34 0 $966
Ondansetron Hcl Generic 31 23 $343
Dexamethasone Generic 23 16 $451

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 Hematology & Oncology Physician in Sunnyvale, CA.
Where does Dr. Huy Nguyen practice?
Dr. Huy Nguyen practices at 301 Old San Francisco RD, Sunnyvale, CA 940866386. Office phone: 4087302800.
What is Dr. Huy Nguyen's NPI?
Dr. Huy Nguyen's National Provider Identifier (NPI) is 1770659252, 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: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, immune globulin (privigen), intravenous, non-lyophilized (e.g., liquid), 500 mg (HCPCS J1459). Source: CMS Medicare Physician & Other Practitioners file.