Karim Barsoum, DDS
General Practice Dentistry · Upland, CA
Karim Barsoum, DDS is a general practice dentistry with a practice address in Upland, California, and NPI 1386363448, issued on Aug 23, 2022. Check the license (California 107866, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karim Barsoum
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 107866 CA
Self-reported in NPPES; status is on the state search - Practice location
- 450 N Mountain Ave, Upland, CA 91786
- Phone
- (909) 920-5222
- Enumerated
- Aug 23, 2022
- Record last updated
- Aug 23, 2022
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Karim Barsoum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 107866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average general practice dentistry in 2024
270 Medicare Part D claims for 117 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin103 claims
- Ibuprofen63 claims
- Chlorhexidine Gluconate39 claims
- Cephalexin20 claims
- Azithromycin14 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.
Karim Barsoum among 17,852 general practice dentistry records in California
Karim Barsoum, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 91% of them.
- NPI issued2022 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2022 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 general practice dentistry records list a practice address in Upland
They are 59 of the 1,846 NPPES records with a practice address in Upland, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Upland → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Elenor Aguilar, DDSUpland, CA 917861184727174
- Byron Bernstine, DDSUpland, CA 917861447323902
- Nelson Butay, DDSUpland, CA 917861992898498
- Rock Chapman, DDSUpland, CA 917861811060296
- Eric Chiang, D.D.S.Upland, CA 917861407956162
- William Domb, DMDUpland, CA 917861215901335
- Steven Fraker, DDSUpland, CA 917861538175781
- John Greenwood, DDSUpland, CA 917861891898201
Common questions
What is Karim Barsoum, DDS's NPI number?
Karim Barsoum, DDS's National Provider Identifier (NPI) is 1386363448, issued on Aug 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Karim Barsoum, DDS located?
The NPPES record lists a practice address at 450 N Mountain Ave, Upland, CA, 91786. Phone: (909) 920-5222. Providers update this record themselves, so call before visiting.
How can I verify Karim Barsoum, DDS's license?
NPPES lists California license number 107866, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karim Barsoum, DDS prescribe under Medicare Part D?
In 2024, Karim Barsoum, DDS had 270 Medicare Part D claims for 117 beneficiaries; the average among general practice dentistry prescribers was 83. 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.