Ronald Michael Singer, O.D.
Optometrist · Canoga Park, CA
Ronald Michael Singer, O.D. is an optometrist with a practice address in Canoga Park, California, and NPI 1497891170, issued on Jan 29, 2007. Check the license (California OPT7353-TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ronald Michael Singer
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT7353-TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 22330 Sherman Way, Canoga Park, CA 91303
- Phone
- (818) 992-4400
- Enumerated
- Jan 29, 2007
- Record last updated
- Jul 14, 2023
- Fax
- (818) 587-2433
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 22330 Sherman Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Singer, O.D.Optometrist1417093832
Verify Ronald Michael Singer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT7353-TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average optometrist in 2024
11 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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 Michael Singer among 8,308 optometrist records in California
Ronald Michael Singer, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2023 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 optometrist records list a practice address in Canoga Park
They are 14 of the 2,170 NPPES records with a practice address in Canoga Park, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Canoga Park → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Meredith Barber, O.D.Canoga Park, CA 913031093022964
- Richard Elhaj, O.D.Canoga Park, CA 913031467517326
- Minh An Hua, ODCanoga Park, CA 913031760072102
- Kajol Jewan, ODCanoga Park, CA 913031952102683
- Debbie Lopez, ODCanoga Park, CA 913031487221677
- Jenny Park, O.D.Canoga Park, CA 913031356752372
- Yasmin Sanati, ODCanoga Park, CA 913031699348953
- Brian Singer, O.D.Canoga Park, CA 913031417093832
Common questions
What is Ronald Michael Singer, O.D.'s NPI number?
Ronald Michael Singer, O.D.'s National Provider Identifier (NPI) is 1497891170, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Michael Singer, O.D. located?
The NPPES record lists a practice address at 22330 Sherman Way, Canoga Park, CA, 91303. Phone: (818) 992-4400. Providers update this record themselves, so call before visiting.
How can I verify Ronald Michael Singer, O.D.'s license?
NPPES lists California license number OPT7353-TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ronald Michael Singer, O.D. prescribe under Medicare Part D?
In 2024, Ronald Michael Singer, O.D. had 11 Medicare Part D claims; the average among optometrist prescribers was 277. 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.