Doctor profile · Federal record

Dr. Sonny Nguyen, MD

Nephrology Physician (CMS: Nephrology) · Oakland, CA

  • NPI 1588198204
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3600 Broadway Fl 4
Oakland, CA 946115730
(510) 752-5438

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
June 27, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A158782

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588198204. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
30
Distinct HCPCS
1
Medicare allowed
$2,641
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 30 12 $88

In context: peer comparison

Among 6 peers in Oakland Nephrology Physician, average services per provider: 129. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
521
Patients
184
Total drug cost
$44,210
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 65 26 $1,095
Losartan Potassium Generic 59 22 $812
Hydralazine Hcl Generic 55 22 $1,578
Furosemide Generic 43 16 $701
Isosorbide Mononitrate ER (Isosorbide Mononitrate) Brand 37 16 $897
Gabapentin Generic 34 17 $401
Sevelamer Carbonate Generic 33 17 $9,355
Calcitriol Generic 29 12 $944
Jardiance (Empagliflozin) Brand 29 12 $22,138
Nifedipine ER (Nifedipine) Brand 26 0 $999

Frequently asked questions

Auto-generated from federal data
What is Dr. Sonny Nguyen's medical specialty?
Dr. Sonny Nguyen practices Nephrology Physician in Oakland, CA.
Where does Dr. Sonny Nguyen practice?
Dr. Sonny Nguyen practices at 3600 Broadway Fl 4, Oakland, CA 946115730. Office phone: 5107525438.
What is Dr. Sonny Nguyen's NPI?
Dr. Sonny Nguyen's National Provider Identifier (NPI) is 1588198204, issued by NPPES.
Does Dr. Sonny Nguyen accept Medicare assignment?
Yes. Dr. Sonny Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sonny Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.