Gregory Joseph Petronzi, PhD
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2018
- Practice address
- 75 North Country Road, Port Jefferson, NY 11777
- Practice phone
- Call (631) 473-1320
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gregory Petronzi'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.
Gregory Joseph Petronzi is a psychologist in Port Jefferson, New York
Gregory Petronzi practices at Mather Hospital in Port Jefferson, New York, part of Northwell Health.
Gregory Petronzi's NPI, 1427541028, was assigned on June 8, 2018. Gregory Petronzi holds New York license 022687.
- NPI
- 1427541028NPI Registry (opens in a new tab)
- NPI enumeration date
- June 8, 2018
- NPI status
- Active
- Practice phone
- (631) 473-1320
- 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
Gregory Joseph Petronzi practices at Mather Hospital in Port Jefferson, New York
Gregory Petronzi's primary practice is Mather Hospital, at 75 North Country Road, Port Jefferson, NY 11777 in Suffolk County. The practice phone is (631) 473-1320.
- Mather Hospital75 North Country Road, Port Jefferson, NY 11777 · Suffolk CountyPhone(631) 473-1320
Source: Dmand AI Affiliation Data
Gregory Joseph Petronzi is affiliated with 2 sites of care
Gregory Petronzi's primary practice is Mather Hospital in Port Jefferson, New York, part of Northwell Health. Dmand AI also links Gregory Petronzi to 1 skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Joseph Petronzi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Petronzi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mather Hospital | Available with a free account |
| +1 more affiliated site | 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 Northwell Health and 6.2K+ hospitals, with verified contacts in the same login.
Gregory Joseph Petronzi is one of 1,198 psychologists in New York
Psychologist is Gregory Petronzi's primary specialty in the NPI Registry, under taxonomy code 103T00000X. Gregory Petronzi is licensed in New York.
Specialties and state licenses
- Psychologist, New YorkPrimary
Psychologists near Gregory Petronzi
Counts of psychologists 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
Gregory Joseph Petronzi's patients have a median age of 31
Across all payers, Dmand AI patient panel data puts Gregory Petronzi's median patient age at 31, with 25% women.
Gregory Petronzi'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
- Women25%
- Men75%
Source: Dmand AI Patient Panel Data
Sources for Gregory Joseph Petronzi'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel 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 Gregory Joseph Petronzi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Joseph Petronzi's NPI number?
Gregory Joseph Petronzi's NPI number is 1427541028. It was assigned on June 8, 2018, and it is active in the NPI Registry.
What does Gregory Joseph Petronzi specialize in?
Gregory Joseph Petronzi is a psychologist in Port Jefferson, New York. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does Gregory Joseph Petronzi practice?
Gregory Petronzi practices at 75 North Country Road, Port Jefferson, NY 11777. Gregory Petronzi's primary practice is Mather Hospital in Port Jefferson, New York, part of Northwell Health. Dmand AI also links Gregory Petronzi to 1 skilled nursing facility.
What is Gregory Joseph Petronzi's office phone number?
The practice phone on file for Gregory Petronzi is (631) 473-1320.
What is Gregory Joseph Petronzi's medical license number?
Gregory Petronzi holds New York license 022687.
Which hospitals is Gregory Joseph Petronzi affiliated with?
Gregory Petronzi practices at Mather Hospital in Port Jefferson, New York.
How long has Gregory Joseph Petronzi been practicing?
Gregory Petronzi's NPI was assigned in 2018.
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