Doctor profile · Federal record

Dr. Nam Nguyen, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Washington, DC

  • NPI 1538266234
  • Accepts Medicare
  • 43 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2041 Georgia Ave Nw Huh B810
Washington, DC 20060
(202) 865-1421
Mailing address
2041 Georgia Ave Nw Tower 3400
Washington, DC 200600001

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
March 14, 2023
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (2)
District of Columbia #MD16513 · Arizona #30912
Medicaid
AZ #154786

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538266234. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
64
Distinct HCPCS
1
Medicare allowed
$13,786
HCPCS Description Services Patients Avg allowed
77427 Radiation treatment management, 5 treatment sessions 64 12 $215

In context: peer comparison

Among 13 peers in Washington Radiation Oncology Physician, average services per provider: 122. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$62
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Progenics Pharmaceuticals, INC. 1 $43.71
Boehringer Ingelheim Pharmaceuticals, INC. 1 $18.00

By nature of payment

Food and Beverage
$62

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
0
Total drug cost
$312
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 17 0 $312

Frequently asked questions

Auto-generated from federal data
What is Dr. Nam Nguyen's medical specialty?
Dr. Nam Nguyen practices Radiation Oncology Physician in Washington, DC.
Where does Dr. Nam Nguyen practice?
Dr. Nam Nguyen practices at 2041 Georgia Ave Nw Huh B810, Washington, DC 20060. Office phone: 2028651421.
What is Dr. Nam Nguyen's NPI?
Dr. Nam Nguyen's National Provider Identifier (NPI) is 1538266234, issued by NPPES.
Does Dr. Nam Nguyen accept Medicare assignment?
Yes. Dr. Nam Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nam Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.