Mark Edward Winston, O.D.
Optometrist · Northridge, CA
Mark Edward Winston, O.D. is an optometrist with a practice address in Northridge, California, and NPI 1548232010, issued on Feb 7, 2006. Check the license (California 7679T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Edward Winston
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 7679T CA
Self-reported in NPPES; status is on the state search - Practice location
- 9153 Reseda Blvd, Northridge, CA 91324
- Phone
- (818) 701-0123
- Enumerated
- Feb 7, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 701-1762
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 9153 Reseda Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Val Kask, O.D.Optometrist1003932237
- Joel LipinHearing Instrument Specialist1023162567
Verify Mark Edward Winston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 7679TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average optometrist in 2024
13 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 85% of 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.
Industry payments in 2024: $19.50
1 payment: food and beverage; the largest payer was Johnson & Johnson Vision Care, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Edward Winston among 8,308 optometrist records in California
Mark Edward Winston, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2007 · 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).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Northridge → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Kathy Chriqui, ODNorthridge, CA 913241760468607
- Val Kask, O.D.Northridge, CA 913241003932237
- John Katzaroff, O.D.Northridge, CA 913241922156926
- Kim Lai, O.D.Northridge, CA 913241952322521
- Howard Misheloff, O.D.Northridge, CA 913241821062969
- Richard Palacios, O.D.Northridge, CA 913241801000732
- Ellen Shuham, ODNorthridge, CA 913241629127519
- Chris Sukiassians, O.D.Northridge, CA 913241326191800
Common questions
What is Mark Edward Winston, O.D.'s NPI number?
Mark Edward Winston, O.D.'s National Provider Identifier (NPI) is 1548232010, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Edward Winston, O.D. located?
The NPPES record lists a practice address at 9153 Reseda Blvd, Northridge, CA, 91324. Phone: (818) 701-0123. Providers update this record themselves, so call before visiting.
How can I verify Mark Edward Winston, O.D.'s license?
NPPES lists California license number 7679T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Edward Winston, O.D. prescribe under Medicare Part D?
In 2024, Mark Edward Winston, O.D. had 13 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.