Doctor profile · Federal record

Dr. Nguyen Doan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Riverside, CA

  • NPI 1538547302
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2608 School of Medicine Education Building
Riverside, CA 925210001
(951) 827-7669

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
March 19, 2019
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A148066

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538547302. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
284
Distinct HCPCS
4
Medicare allowed
$33,573
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 189 103 $121
99239 Hospital discharge day management, more than 30 minutes 62 60 $117
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 19 16 $50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $176

In context: peer comparison

Among 41 peers in Riverside Internal Medicine Physician, average services per provider: 160. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$144
Transactions
5
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 5 $143.98

By nature of payment

Food and Beverage
$144

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$95
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 11 0 $95

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nguyen Doan's medical specialty?
Dr. Nguyen Doan practices Internal Medicine Physician in Riverside, CA.
Where does Dr. Nguyen Doan practice?
Dr. Nguyen Doan practices at 2608 School of Medicine Education Building, Riverside, CA 925210001. Office phone: 9518277669.
What is Dr. Nguyen Doan's NPI?
Dr. Nguyen Doan's National Provider Identifier (NPI) is 1538547302, issued by NPPES.
Does Dr. Nguyen Doan accept Medicare assignment?
Yes. Dr. Nguyen Doan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nguyen Doan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.