Charles S. Sabbah, M.D.
Internal Medicine Physician · Rialto, CA
Charles S. Sabbah, M.D. is an internal medicine physician with a practice address in Rialto, California, and NPI 1467491118, issued on Jun 6, 2006. Check the license (California A41433, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles S. Sabbah
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A41433 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1851 N Riverside Ave, Rialto, CA 92376
- Phone
- (909) 874-2371
- Enumerated
- Jun 6, 2006
- Record last updated
- Jan 8, 2026
- Medicaid ID
- 00A414330 CA
- Medicare enrollment
- Enrolled (PECOS I20041005001283); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1851 N Riverside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adrienne Burn, FNPFamily Nurse Practitioner1700160546
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- Linnea Chaves, RN FNPFamily Nurse Practitioner1992115018
Verify Charles S. Sabbah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A41433Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,965 Medicare Part D claims for 843 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 252 claims were for opioids.
Most prescribed
- Atorvastatin Calcium539 claims
- Losartan Potassium447 claims
- Amlodipine Besylate403 claims
- Metformin Hcl362 claims
- Lisinopril358 claims
- Simvastatin346 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
- Pinnacle Medical Group IncFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles S. Sabbah among 17,696 internal medicine physician records in California
Charles S. Sabbah, M.D. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1981 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 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).
12 internal medicine physician records list a practice address in Rialto
They are 12 of the 1,044 NPPES records with a practice address in Rialto, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Rialto → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Natasha Alexander, MDRialto, CA 923761255615530
- Paul Chen, M.D.Rialto, CA 923761588689350
- Hedyeh Golshan, M.D.Rialto, CA 923761174582688
- Ikechi Obiocha, MDRialto, CA 923761467479295
- Yousuf Sadiq, MDRialto, CA 923761417067588
- Ravindranath Shahane, M.D.Rialto, CA 923761457420903
- Sun Soung, M.D.Rialto, CA 923761295893162
- Hiteshi Thakker, M.D.Rialto, CA 923761437437134
Common questions
What is Charles S. Sabbah, M.D.'s NPI number?
Charles S. Sabbah, M.D.'s National Provider Identifier (NPI) is 1467491118, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles S. Sabbah, M.D. located?
The NPPES record lists a practice address at 1851 N Riverside Ave, Rialto, CA, 92376. Phone: (909) 874-2371. Providers update this record themselves, so call before visiting.
How can I verify Charles S. Sabbah, M.D.'s license?
NPPES lists California license number A41433, 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 Charles S. Sabbah, M.D. prescribe under Medicare Part D?
In 2024, Charles S. Sabbah, M.D. had 9,965 Medicare Part D claims for 843 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.