Doctor profile · Federal record

Dr. Ky Nam Nguyen, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Sacramento, CA

  • NPI 1285011254
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4501 X St, G140
Sacramento, CA 958172229
(408) 499-4595

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
August 3, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
California #A146042

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285011254. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,496
Distinct HCPCS
10
Medicare allowed
$232,955
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 1,026 55 $46
77300 Calculation of radiation therapy dose 282 66 $34
99214 Established patient office or other outpatient visit, 30-39 minutes 231 134 $98
77427 Radiation treatment management, 5 treatment sessions 219 61 $197
77334 Design and construction of complex radiation treatment device 215 66 $63
99215 Established patient office or other outpatient visit, 40-54 minutes 97 67 $146
77263 Complex radiation therapy planning 73 71 $174
99205 New patient office or other outpatient visit, 60-74 minutes 68 68 $184
77338 Design and construction of radiation treatment device for high precision radiation therapy 55 47 $234
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 55 45 $32

In context: peer comparison

Among 7 peers in Sacramento Radiation Oncology Physician, average services per provider: 119. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$264
Transactions
11
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Genzyme Corporation 1 $35.99
Janssen Biotech, INC. 1 $32.25
Genentech USA, INC. 1 $25.50
Tempus Ai, INC 1 $24.67
E.R. Squibb & Sons, L.L.C. 1 $23.70
AstraZeneca Pharmaceuticals Lp 1 $23.68
Pfizer INC. 1 $21.77
Novartis Pharmaceuticals Corporation 1 $21.21
Regeneron Healthcare Solutions, INC. 1 $19.73
Lilly USA, LLC 1 $18.07
Eisai INC. 1 $17.39

By nature of payment

Food and Beverage
$264

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
15
Patients
0
Total drug cost
$492
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 15 0 $492

Frequently asked questions

Auto-generated from federal data
What is Dr. Ky Nam Nguyen's medical specialty?
Dr. Ky Nam Nguyen practices Radiation Oncology Physician in Sacramento, CA.
Where does Dr. Ky Nam Nguyen practice?
Dr. Ky Nam Nguyen practices at 4501 X St, Sacramento, CA 958172229. Office phone: 4084994595.
What is Dr. Ky Nam Nguyen's NPI?
Dr. Ky Nam Nguyen's National Provider Identifier (NPI) is 1285011254, issued by NPPES.
Does Dr. Ky Nam Nguyen accept Medicare assignment?
Yes. Dr. Ky Nam Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ky Nam Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.