Christopher E. Kassar, DO
Family Medicine Physician · San Dimas, CA
Christopher E. Kassar, DO is a family medicine physician with a practice address in San Dimas, California, and NPI 1346659174, issued on Aug 6, 2014. Check the license (California 20A14616, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher E. Kassar
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A14616 CA
Self-reported in NPPES; status is on the state search - Practice location
- 615 E Foothill Blvd Ste A, San Dimas, CA 91773
- Phone
- (909) 335-3527
- Enumerated
- Aug 6, 2014
- Record last updated
- May 21, 2025
- Fax
- (626) 623-7233
- Medicare enrollment
- Enrolled (PECOS I20170324000217); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Christopher E. Kassar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A14616Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% more Medicare Part D claims than the average family medicine physician in 2024
5,991 Medicare Part D claims for 515 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 76 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium335 claims
- Lisinopril279 claims
- Amlodipine Besylate264 claims
- Losartan Potassium243 claims
- Omeprazole200 claims
- Metformin Hcl198 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: $742.09
33 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Christopher E. Kassar among 17,133 family medicine physician records in California
Christopher E. Kassar, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 family medicine physician records list a practice address in San Dimas
They are 29 of the 942 NPPES records with a practice address in San Dimas, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Dimas → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Norma Bachoura, M.D.San Dimas, CA 917731235191131
- Stephanie Chang, D.O.San Dimas, CA 917731740387091
- Steven Davis, D.O.San Dimas, CA 917731154300978
- Maria Dunton, DOSan Dimas, CA 917731639112386
- Candido Gamez, M.D.San Dimas, CA 917731689625972
- Rosanna Iskander, M.D.San Dimas, CA 917731265500896
- Sabah Kadhium, MDSan Dimas, CA 917731306836770
- Richard Magallon, MDSan Dimas, CA 917731316925530
Common questions
What is Christopher E. Kassar, DO's NPI number?
Christopher E. Kassar, DO's National Provider Identifier (NPI) is 1346659174, issued on Aug 6, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Christopher E. Kassar, DO located?
The NPPES record lists a practice address at 615 E Foothill Blvd Ste A, San Dimas, CA, 91773. Phone: (909) 335-3527. Providers update this record themselves, so call before visiting.
How can I verify Christopher E. Kassar, DO's license?
NPPES lists California license number 20A14616, 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 Christopher E. Kassar, DO prescribe under Medicare Part D?
In 2024, Christopher E. Kassar, DO had 5,991 Medicare Part D claims for 515 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.