NPPES file of Aug 9, 2026

Brandon Tong, D.O.

Internal Medicine Physician · Fontana, CA

Brandon Tong, D.O. is an internal medicine physician with a practice address in Fontana, California, and NPI 1508151036, issued on Jun 13, 2011. Check the license (California 20A13253, 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
1508151036
Name
Brandon Tong
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
20A13253 CA
SL0826 NV
Self-reported in NPPES; status is on the state search
Practice location
16465 Sierra Lakes Pkwy Ste 300, Fontana, CA 92336
Phone
(909) 429-2864
Enumerated
Jun 13, 2011
Record last updated
Sep 11, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140814000732); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 16465 Sierra Lakes Pkwy Ste 300

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

  1. Rishma Bhatt, NPFamily Nurse Practitioner1255000493
  2. Andrew Camargo, FNP-CFamily Nurse Practitioner1164318622
  3. Hannah Chan, MDFamily Medicine Physician1093465791
  4. Giuliana Cilliani, PA-CPhysician Assistant1043504913
  5. Carla Gonzalez, FNP-CFamily Nurse Practitioner1518470921
  6. Natalie Herrera, PA-CPhysician Assistant1407237498

Verify Brandon Tong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A13253
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

32% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,171 Medicare Part D claims for 321 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 42 claims were for opioids.

  1. Brandon Tong2,171
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium193 claims
  2. Metformin Hcl103 claims
  3. Losartan Potassium89 claims
  4. Amlodipine Besylate82 claims
  5. Levothyroxine Sodium82 claims
  6. Lisinopril70 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.

Industry payments in 2024: $639.84

25 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brandon Tong$639.84
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Cucamonga Valley Medical Group IncUpland, CA

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

Brandon Tong among 17,696 internal medicine physician records in California

Brandon Tong, D.O. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 66% of them.

  • NPI issued2011 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2011 · median 2004 among the 11,065 with a school on file
  • Record last updated2018 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

111 internal medicine physician records list a practice address in Fontana

They are 111 of the 3,012 NPPES records with a practice address in Fontana, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Faramarz Alav, M.D.Fontana, CA 923361508825027
  2. Syeda AmeenaFontana, CA 923361972998706
  3. Xu He, D.OFontana, CA 923361568773448
  4. Maria Relente-Santos, MDFontana, CA 923361437862232
  5. Ragu Sivarajan, D.O,.Fontana, CA 923361902246523
  6. Danish Abbas, M.D.Fontana, CA 923351104267053
  7. Ashley Alexander, D.O.Fontana, CA 923351568882298
  8. Christine Bui, D.OFontana, CA 923351285095752

Common questions

What is Brandon Tong, D.O.'s NPI number?

Brandon Tong, D.O.'s National Provider Identifier (NPI) is 1508151036, issued on Jun 13, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Brandon Tong, D.O. located?

The NPPES record lists a practice address at 16465 Sierra Lakes Pkwy Ste 300, Fontana, CA, 92336. Phone: (909) 429-2864. Providers update this record themselves, so call before visiting.

How can I verify Brandon Tong, D.O.'s license?

NPPES lists California license number 20A13253, 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 Brandon Tong, D.O. prescribe under Medicare Part D?

In 2024, Brandon Tong, D.O. had 2,171 Medicare Part D claims for 321 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.