NPPES file of Aug 9, 2026

Sonny Truong Nguyen, MD

Nephrology Physician · Oakland, CA

Sonny Truong Nguyen, MD is a nephrology physician with a practice address in Oakland, California, and NPI 1588198204, issued on Apr 19, 2017. Check the license (California A158782, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588198204
Name
Sonny Truong Nguyen
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A158782 CA
Self-reported in NPPES; status is on the state search
Practice location
3600 Broadway FL 4, Oakland, CA 94611
Phone
(510) 752-5438
Enumerated
Apr 19, 2017
Record last updated
Jun 27, 2022
Medicare enrollment
Enrolled (PECOS I20230816000522); accepts Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Denver, 2017
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3600 Broadway FL 4

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tafor Bonu Mochungong, MDFamily Medicine Physician1356804884
  2. Connor Hannon, MDInternal Medicine Physician1710506563
  3. Christopher Loftus, M.D.Urology Physician1376907683
  4. Farzad Masroor, MDInternal Medicine Physician1467686212
  5. Sara Rittweger, AUDAudiologist1972022663
  6. Paniz Vafaei, M.D.Student in an Organized Health Care Education/Training Program1972983526

Verify Sonny Truong Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A158782
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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22% fewer Medicare Part D claims than the average nephrology physician in 2024

1,140 Medicare Part D claims for 199 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Sonny Nguyen1,140
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate114 claims
  2. Losartan Potassium82 claims
  3. Furosemide79 claims
  4. Hydralazine Hcl77 claims
  5. Isosorbide Mononitrate Er44 claims
  6. Sevelamer Carbonate41 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Permanente Medical Group IncOakland, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

Other nephrology physician records in California

  1. Antoine Abcar, MDLos Angeles, CA1245301159
  2. Basmah Abdalla, M.D.Los Angeles, CA1629394002
  3. Omaran Abdeen, M.D.Mission Hills, CA1700878410
  4. Joseph Abdelmalek, M.DSan Diego, CA1740485531
  5. Lama Abdelnour, MDLos Angeles, CA1477817542
  6. Amir Abdi Pour, MDLoma Linda, CA1912187477
  7. Anas Abou-Ismail, MDPalm Springs, CA1598078784
  8. Graham Abra, M.D.Stanford, CA1760644678
  9. Sreedhar Adapa, M.D.Visalia, CA1881997872
  10. Gbemisola Adenuga, M.D.Los Angeles, CA1952464661

Common questions

What is Sonny Truong Nguyen, MD's NPI number?

Sonny Truong Nguyen, MD's National Provider Identifier (NPI) is 1588198204, issued on Apr 19, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Sonny Truong Nguyen, MD located?

The NPPES record lists a practice address at 3600 Broadway FL 4, Oakland, CA, 94611. Phone: (510) 752-5438. Providers update this record themselves, so call before visiting.

How can I verify Sonny Truong Nguyen, MD's license?

NPPES lists California license number A158782, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sonny Truong Nguyen, MD prescribe under Medicare Part D?

In 2024, Sonny Truong Nguyen, MD had 1,140 Medicare Part D claims for 199 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.