Stewart E. Rendon, M.D.
Surgery Physician · Ontario, CA
Stewart E. Rendon, M.D. is a surgery physician with a practice address in Ontario, California, and NPI 1922034255, issued on Jun 26, 2006. Check the license (California A78664, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stewart E. Rendon
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- A78664 CA
8559 SD
Self-reported in NPPES; status is on the state search - Practice location
- 754 N Mountain Ave, Ontario, CA 91762
- Phone
- (909) 460-4155
- Enumerated
- Jun 26, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (909) 988-4414
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 754 N Mountain Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stewart E. Rendon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A78664Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average surgery physician in 2024
183 Medicare Part D claims for 46 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
Most prescribed
- Celecoxib25 claims
- Gabapentin23 claims
- Famotidine22 claims
- Ondansetron Odt22 claims
- Enoxaparin Sodium20 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: $7,754.82
21 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Stewart E. Rendon among 3,118 surgery physician records in California
Stewart E. Rendon, M.D. is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Ontario → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Joanna Lim, M.D.Ontario, CA 917611851612675
- Anthony Oh, MDMontclair, CA 917631154401354
- Sunal Patel, M.D.Ontario, CA 917611770841124
- Jared Wong, M.D.Montclair, CA 917631447586904
- Marian Safaoui, MDPomona, CA 917661174814339
- Johanna Basa, M.D.Pomona, CA 917671821326380
- Vinod Garg, MDPomona, CA 917671962578120
- Andrew Michael, MDPomona, CA 917671922328590
Common questions
What is Stewart E. Rendon, M.D.'s NPI number?
Stewart E. Rendon, M.D.'s National Provider Identifier (NPI) is 1922034255, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stewart E. Rendon, M.D. located?
The NPPES record lists a practice address at 754 N Mountain Ave, Ontario, CA, 91762. Phone: (909) 460-4155. Providers update this record themselves, so call before visiting.
How can I verify Stewart E. Rendon, M.D.'s license?
NPPES lists California license number A78664, 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 Stewart E. Rendon, M.D. prescribe under Medicare Part D?
In 2024, Stewart E. Rendon, M.D. had 183 Medicare Part D claims for 46 beneficiaries; the average among surgery physician prescribers was 147. 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.