John Anthony Katzaroff, O.D.
Optometrist · Northridge, CA
John Anthony Katzaroff, O.D. is an optometrist with a practice address in Northridge, California, and NPI 1922156926, issued on Jan 8, 2007. Check the license (California 10897T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Anthony Katzaroff
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 10897T CA
Self-reported in NPPES; status is on the state search - Practice location
- 8810 Tampa Ave, Northridge, CA 91324
- Phone
- (818) 775-5810
- Enumerated
- Jan 8, 2007
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 775-5820
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 8810 Tampa Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zohreh Dolkhani, PHARMACISTPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1932474673
- Sonal Gaur, PHARM. DPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1992070833
- Sawsan Hanna, BS PHARMACYPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1891933651
- Eugene Manabe, RPHPharmacist1629344775
- Milad MoghtaderPharmacist1194440032
Verify John Anthony Katzaroff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 10897TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average optometrist in 2024
20 Medicare Part D claims for 15 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% 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: $404.47
11 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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.
John Anthony Katzaroff among 8,308 optometrist records in California
John Anthony Katzaroff, 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 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
- 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
- Ani Sulukyan, O.D.Northridge, CA 913241205066750
Common questions
What is John Anthony Katzaroff, O.D.'s NPI number?
John Anthony Katzaroff, O.D.'s National Provider Identifier (NPI) is 1922156926, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Anthony Katzaroff, O.D. located?
The NPPES record lists a practice address at 8810 Tampa Ave, Northridge, CA, 91324. Phone: (818) 775-5810. Providers update this record themselves, so call before visiting.
How can I verify John Anthony Katzaroff, O.D.'s license?
NPPES lists California license number 10897T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does John Anthony Katzaroff, O.D. prescribe under Medicare Part D?
In 2024, John Anthony Katzaroff, O.D. had 20 Medicare Part D claims for 15 beneficiaries; 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.