John Anthony Katzaroff, OD
- Part D claims, 2024
- 20
- Industry payments
- $22
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 8810 Tampa Ave, Northridge, CA 91324
- Practice phone
- Call (818) 775-5810
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John A. Katzaroff Optometry
Physician office · Northridge, California
Find John Katzaroff's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John Anthony Katzaroff is an optometrist in Northridge, California
John Katzaroff practices at John A. Katzaroff Optometry in Northridge, California.
John Katzaroff's NPI, 1922156926, was assigned on January 8, 2007. John Katzaroff holds California license 10897T.
- NPI
- 1922156926NPI Registry (opens in a new tab)
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Practice phone
- (818) 775-5810
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John Anthony Katzaroff practices at John A. Katzaroff Optometry in Northridge, California
John Katzaroff's primary practice is John A. Katzaroff Optometry, at 8810 Tampa Ave, Northridge, CA 91324. The practice phone is (818) 775-5810.
- John A. Katzaroff Optometry8810 Tampa Ave, Northridge, CA 91324Phone(818) 775-5810
Source: Dmand AI Affiliation Data
John Anthony Katzaroff is affiliated with 1 site of care
John Katzaroff's primary practice is John A. Katzaroff Optometry in Northridge, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John Anthony Katzaroff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Katzaroff practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John A. Katzaroff Optometry | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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John Anthony Katzaroff is one of 7,206 optometrists in California
Optometrist is John Katzaroff's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Katzaroff is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near John Katzaroff
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John Anthony Katzaroff's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts John Katzaroff's median patient age at 66, with 50% women.
John Katzaroff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
John Anthony Katzaroff wrote 20 Medicare Part D claims in 2024
In 2024, John Katzaroff wrote 20 Medicare Part D claims for 15 patients.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
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John Anthony Katzaroff received $22 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Katzaroff from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $22.
Companies that paid John Katzaroff the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John Anthony Katzaroff's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John Anthony Katzaroff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Anthony Katzaroff's NPI number?
John Anthony Katzaroff's NPI number is 1922156926. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What does John Anthony Katzaroff specialize in?
John Anthony Katzaroff is an optometrist in Northridge, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Anthony Katzaroff practice?
John Katzaroff practices at 8810 Tampa Ave, Northridge, CA 91324. John Katzaroff's primary practice is John A. Katzaroff Optometry in Northridge, California.
What is John Anthony Katzaroff's office phone number?
The practice phone on file for John Katzaroff is (818) 775-5810.
What is John Anthony Katzaroff's medical license number?
John Katzaroff holds California license 10897T.
Has John Anthony Katzaroff received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to John Katzaroff from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has John Anthony Katzaroff been practicing?
John Katzaroff's NPI was assigned in 2007.
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