Doctor profile · Federal record

Dr. John Nguyen, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Sacramento, CA

  • NPI 1679958953
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3161 L St
Sacramento, CA 958165234
(185) 577-1033
Mailing address
Po Box 255228
Sacramento, CA 958655228

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
April 10, 2026
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
California #A166468 · Michigan #4301108186

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679958953. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,509
Distinct HCPCS
10
Medicare allowed
$258,648
HCPCS Description Services Patients Avg allowed
A9585 Injection, gadobutrol, 0.1 ml 1,050 13 $0
77067 Screening mammography 582 580 $162
77063 Screening 3d breast mammography 551 549 $63
77080 Dxa bone density measurement of hip, pelvis, spine 150 149 $51
71046 X-ray of chest, 2 views 145 145 $43
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 116 114 $62
73564 X-ray of knee, 4 or more views 108 76 $62
76642 Limited ultrasound scan of 1 breast 102 99 $108
77066 Diagnostic mammography of both breasts 77 75 $190
77065 Diagnostic mammography of 1 breast 76 75 $152

In context: peer comparison

Among 76 peers in Sacramento Diagnostic Radiology Physician, average services per provider: 212. This provider delivers 17× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Nguyen's medical specialty?
Dr. John Nguyen practices Diagnostic Radiology Physician in Sacramento, CA.
Where does Dr. John Nguyen practice?
Dr. John Nguyen practices at 3161 L St, Sacramento, CA 958165234. Office phone: 1855771033.
What is Dr. John Nguyen's NPI?
Dr. John Nguyen's National Provider Identifier (NPI) is 1679958953, issued by NPPES.
Does Dr. John Nguyen accept Medicare assignment?
Yes. Dr. John Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadobutrol, 0.1 ml (HCPCS A9585); Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063). Source: CMS Medicare Physician & Other Practitioners file.