Maher Labib Barsoum, DENTIST
Dentist · Upland, CA
Maher Labib Barsoum, DENTIST is a dentist with a practice address in Upland, California, and NPI 1063582690, issued on Nov 9, 2006. Check the license (California 44145, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maher Labib Barsoum
- Credential
- DENTIST
- Primary taxonomy
- Dentist 122300000X
- License number
- 44145 CA
Self-reported in NPPES; status is on the state search - Practice location
- 258 E 9TH St, Upland, CA 91786
- Phone
- (909) 920-5222
- Enumerated
- Nov 9, 2006
- Record last updated
- May 17, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (909) 920-5220
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 258 E 9TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Effuah Harris, DDSGeneral Practice Dentistry1174623706
Verify Maher Labib 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 44145Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average dentist in 2024
150 Medicare Part D claims for 78 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin60 claims
- Ibuprofen28 claims
- Chlorhexidine Gluconate18 claims
- Cephalexin14 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.
Maher Labib Barsoum among 14,729 dentist records in California
Maher Labib Barsoum, DENTIST is one of 14,729 dentist records with a practice address in California. 56% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2011 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 dentist records list a practice address in Upland
They are 48 of the 1,846 NPPES records with a practice address in Upland, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Upland → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Jose Castro, D.D.S.Upland, CA 917861225113392
- Robin Chapman, D.D.S.Upland, CA 917861699858779
- Jaime Gochez, DDSUpland, CA 917861326151218
- Vahan Grigoryan, DDSUpland, CA 917861235211541
- Robert Kamansky, D.D.S.Upland, CA 917861558403329
- Binh Ngo, D.M.D.Upland, CA 917861770585424
- Sherwin Simons, DDSUpland, CA 917861912033325
- Robin Su, D.D.S.Upland, CA 917861649276155
Common questions
What is Maher Labib Barsoum, DENTIST's NPI number?
Maher Labib Barsoum, DENTIST's National Provider Identifier (NPI) is 1063582690, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maher Labib Barsoum, DENTIST located?
The NPPES record lists a practice address at 258 E 9TH St, Upland, CA, 91786. Phone: (909) 920-5222. Providers update this record themselves, so call before visiting.
How can I verify Maher Labib Barsoum, DENTIST's license?
NPPES lists California license number 44145, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Maher Labib Barsoum, DENTIST prescribe under Medicare Part D?
In 2024, Maher Labib Barsoum, DENTIST had 150 Medicare Part D claims for 78 beneficiaries; the average among dentist prescribers was 86. 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.