John Patrick Demartino
- Industry payments
- $76
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 499 Sunrise Hwy W Ste 80 Suite 80, Patchogue, NY 11772
- Practice phone
- Call (631) 289-2010
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tatyana Katz Optometry
Eye care practice · Patchogue, New York
Find John Demartino'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 Patrick Demartino is an optometrist in Patchogue, New York
John Demartino practices at Tatyana Katz Optometry in Patchogue, New York.
John Demartino's NPI, 1265257141, was assigned on November 18, 2024. John Demartino graduated from State University of New York - State College Optometry in 2024. John Demartino holds New York license 011111.
- NPI
- 1265257141NPI Registry (opens in a new tab)
- NPI enumeration date
- November 18, 2024
- NPI status
- Active
- Practice phone
- (631) 289-2010
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Patrick Demartino practices at Tatyana Katz Optometry in Patchogue, New York
John Demartino's primary practice is Tatyana Katz Optometry, at 499 Sunrise Hwy W Ste 80 Suite 80, Patchogue, NY 11772. The practice phone is (631) 289-2010.
- Tatyana Katz Optometry499 Sunrise Hwy W Ste 80 Suite 80, Patchogue, NY 11772Phone(631) 289-2010
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Patrick Demartino is affiliated with 1 site of care and 1 medical group
John Demartino's primary practice is Tatyana Katz Optometry in Patchogue, New York. Dmand AI also links John Demartino to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John Patrick Demartino's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Demartino practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tatyana Katz Optometry | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
John Patrick Demartino is one of 2,393 optometrists in New York
Optometrist is John Demartino's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Demartino is licensed in New York.
Specialties and state licenses
- Optometrist, New YorkPrimary
Optometrists near John Demartino
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 Patrick Demartino's patients have a median age of 31
Across all payers, Dmand AI patient panel data puts John Demartino's median patient age at 31, with 67% women.
John Demartino's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
John Patrick Demartino received $76 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Demartino from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $76.
Companies that paid John Demartino the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John Patrick Demartino graduated from State University of New York - State College Optometry
John Demartino graduated from State University of New York - State College Optometry in 2024.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John Patrick Demartino'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Patrick Demartino
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 Patrick Demartino's NPI number?
John Patrick Demartino's NPI number is 1265257141. It was assigned on November 18, 2024, and it is active in the NPI Registry.
What does John Patrick Demartino specialize in?
John Patrick Demartino is an optometrist in Patchogue, New York. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Patrick Demartino practice?
John Demartino practices at 499 Sunrise Hwy W Ste 80 Suite 80, Patchogue, NY 11772. John Demartino's primary practice is Tatyana Katz Optometry in Patchogue, New York. Dmand AI also links John Demartino to 1 medical group.
What is John Patrick Demartino's office phone number?
The practice phone on file for John Demartino is (631) 289-2010.
What is John Patrick Demartino's medical license number?
John Demartino holds New York license 011111.
Where did John Patrick Demartino go to medical school?
John Demartino graduated from State University of New York - State College Optometry in 2024.
Has John Patrick Demartino received payments from drug or device companies?
CMS Open Payments shows $76 in general payments to John Demartino from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has John Patrick Demartino been practicing?
John Demartino graduated from medical school in 2024, 2 years ago.
Selling to optometrist practices?
See optometrists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card