Mark Isamu Uyehara, D.D.S.
Dentist · Sylmar, CA
Mark Isamu Uyehara, D.D.S. is a dentist with a practice address in Sylmar, California, and NPI 1942308085, issued on Sep 20, 2006. Check the license (California 31102, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Isamu Uyehara
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 31102 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15989 Yarnell St, Sylmar, CA 91342
- Phone
- (818) 362-1563
- Enumerated
- Sep 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Mark Isamu Uyehara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 31102Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average dentist in 2024
48 Medicare Part D claims for 32 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin36 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.
Mark Isamu Uyehara among 14,729 dentist records in California
Mark Isamu Uyehara, D.D.S. 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 updated2007 · 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).
Dentist providers in California
There are 14,729 dentist records in California.
All 14,729 in California → Every provider in Sylmar → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Shervin Akhamzadeh, D.D.S.Sylmar, CA 913421992828347
- Vyniamin Guralnik, DDSSylmar, CA 913421063632925
- Susan Kim, D.D.S.Lake View Terrace, CA 913421184799702
- Hovsep Koshkerian, DDSSylmar, CA 913421356499693
- John Lajoy, D.D.S.Sylmar, CA 913421881752707
- Jean LeeSylmar, CA 913421306030465
- Esteban Piotraszewski, D.D.S.Sylmar, CA 913421811059017
- Laura Restrepo, DDSSylmar, CA 913421407334972
Common questions
What is Mark Isamu Uyehara, D.D.S.'s NPI number?
Mark Isamu Uyehara, D.D.S.'s National Provider Identifier (NPI) is 1942308085, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Isamu Uyehara, D.D.S. located?
The NPPES record lists a practice address at 15989 Yarnell St, Sylmar, CA, 91342. Phone: (818) 362-1563. Providers update this record themselves, so call before visiting.
How can I verify Mark Isamu Uyehara, D.D.S.'s license?
NPPES lists California license number 31102, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Isamu Uyehara, D.D.S. prescribe under Medicare Part D?
In 2024, Mark Isamu Uyehara, D.D.S. had 48 Medicare Part D claims for 32 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.