Ronald Steven Sinanian, D.D.S.
General Practice Dentistry · Northridge, CA
Ronald Steven Sinanian, D.D.S. is a general practice dentistry with a practice address in Northridge, California, and NPI 1366542102, issued on Sep 22, 2006. Check the license (California 44089, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ronald Steven Sinanian
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 44089 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9535 Reseda Blvd., Northridge, CA 91324
- Phone
- (818) 349-8455
- Enumerated
- Sep 22, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 349-8470
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Ronald Steven Sinanian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 44089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average general practice dentistry in 2024
19 Medicare Part D claims for 16 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin14 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.
Ronald Steven Sinanian among 17,852 general practice dentistry records in California
Ronald Steven Sinanian, D.D.S. 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% 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 updated2007 · 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).
55 general practice dentistry records list a practice address in Northridge
They are 55 of the 2,598 NPPES records with a practice address in Northridge, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Northridge → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Martin Courtney, D.D.S.Northridge, CA 913241508869595
- Bharati Desai, D.D.S.Northridge, CA 913241447290796
- Vigen Ghookasian, DDSNorthridge, CA 913241659410876
- Nam Hoang, DMDNorthridge, CA 913241831209303
- Dick Hoyos, D.D.SNorthridge, CA 913241154487650
- Narbeh Kureghian, D.M.D.Northridge, CA 913241417040791
- Karey Kusuhara, DDSNorthridge, CA 913241649374893
- Dennis Leung, DDSNorthridge, CA 913241740398171
Common questions
What is Ronald Steven Sinanian, D.D.S.'s NPI number?
Ronald Steven Sinanian, D.D.S.'s National Provider Identifier (NPI) is 1366542102, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Steven Sinanian, D.D.S. located?
The NPPES record lists a practice address at 9535 Reseda Blvd., Northridge, CA, 91324. Phone: (818) 349-8455. Providers update this record themselves, so call before visiting.
How can I verify Ronald Steven Sinanian, D.D.S.'s license?
NPPES lists California license number 44089, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ronald Steven Sinanian, D.D.S. prescribe under Medicare Part D?
In 2024, Ronald Steven Sinanian, D.D.S. had 19 Medicare Part D claims for 16 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.