Doctor profile · Federal record

Dr. Hoa Nguyen, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology (Internal Medicine) Physician · Marysville, CA

  • NPI 1528083664
  • Accepts Medicare
  • MIPS 81.7 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
618 5Th St
Marysville, CA 959015612
(530) 749-4400
Mailing address
782 Sun Bonnet CT
Rocklin, CA 957655352

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 11, 2020
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A77714

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528083664. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,219
Distinct HCPCS
7
Medicare allowed
$144,021
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 751 340 $99
99215 Established patient office or other outpatient visit, 40-54 minutes 251 118 $146
99205 New patient office or other outpatient visit, 60-74 minutes 86 86 $184
99204 New patient office or other outpatient visit, 45-59 minutes 49 49 $133
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 36 30 $177
99213 Established patient office or other outpatient visit, 20-29 minutes 24 22 $67
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 22 21 $132

In context: peer comparison

Among 1 peers in Marysville Hematology & Oncology Physician, average services per provider: 174. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$152
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Teleflex LLC 1 $102.93
Tempus Ai, INC 1 $24.67
Novartis Pharmaceuticals Corporation 1 $24.05

By nature of payment

Food and Beverage
$152

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
390
Patients
121
Total drug cost
$561,446
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 77 34 $2,790
Anastrozole Generic 62 28 $2,002
Promethazine Hcl Generic 40 25 $269
Letrozole Generic 31 11 $1,034
Revlimid (Lenalidomide) Brand 24 0 $486,683
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 21 0 $978
Dexamethasone Generic 20 0 $147
Eliquis (Apixaban) Brand 17 0 $16,304
Naloxone Hcl Generic 17 12 $1,204
Allopurinol Generic 15 0 $106

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hoa Nguyen's medical specialty?
Dr. Hoa Nguyen practices Hematology & Oncology Physician in Marysville, CA.
Where does Dr. Hoa Nguyen practice?
Dr. Hoa Nguyen practices at 618 5Th St, Marysville, CA 959015612. Office phone: 5307494400.
What is Dr. Hoa Nguyen's NPI?
Dr. Hoa Nguyen's National Provider Identifier (NPI) is 1528083664, issued by NPPES.
Does Dr. Hoa Nguyen accept Medicare assignment?
Yes. Dr. Hoa Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hoa 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 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.