Joseph Portnoy, DDS
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 266 East Sunrise Highway, Lindenhurst, NY 11757-2516
- Practice phone
- Call (631) 226-5252
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marc N. Sperber, DDS & Joseph Portnoy
Dental practice · Lindenhurst, New York
Find Joseph Portnoy'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.
Joseph Portnoy is a general practice dentistry in Lindenhurst, New York
Joseph Portnoy practices at Marc N. Sperber, DDS & Joseph Portnoy in Lindenhurst, New York.
Joseph Portnoy's NPI, 1225103526, was assigned on November 21, 2006. Joseph Portnoy holds New York license 0438361.
- NPI
- 1225103526NPI Registry (opens in a new tab)
- NPI enumeration date
- November 21, 2006
- NPI status
- Active
- Practice phone
- (631) 226-5252
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joseph Portnoy practices at Marc N. Sperber, DDS & Joseph Portnoy in Lindenhurst, New York
Joseph Portnoy's primary practice is Marc N. Sperber, DDS & Joseph Portnoy, at 266 East Sunrise Highway, Lindenhurst, NY 11757-2516. The practice phone is (631) 226-5252.
- Marc N. Sperber, DDS & Joseph Portnoy266 East Sunrise Highway, Lindenhurst, NY 11757-2516Phone(631) 226-5252
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joseph Portnoy is affiliated with 1 site of care and 1 medical group
Joseph Portnoy's primary practice is Marc N. Sperber, DDS & Joseph Portnoy in Lindenhurst, New York. Dmand AI also links Joseph Portnoy 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 Joseph Portnoy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joseph Portnoy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marc N. Sperber, DDS & Joseph Portnoy | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Joseph Portnoy is one of 2,709 general practice dentistrys in New York
General practice is Joseph Portnoy's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Joseph Portnoy is licensed in New York.
Specialties and state licenses
- General practice dentistry, New YorkPrimary
General practice dentistrys near Joseph Portnoy
Counts of general practice dentistrys 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
Sources for Joseph Portnoy'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) |
| 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 Joseph Portnoy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joseph Portnoy's NPI number?
Joseph Portnoy's NPI number is 1225103526. It was assigned on November 21, 2006, and it is active in the NPI Registry.
What does Joseph Portnoy specialize in?
Joseph Portnoy is a general practice dentistry in Lindenhurst, New York. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Joseph Portnoy practice?
Joseph Portnoy practices at 266 East Sunrise Highway, Lindenhurst, NY 11757-2516. Joseph Portnoy's primary practice is Marc N. Sperber, DDS & Joseph Portnoy in Lindenhurst, New York. Dmand AI also links Joseph Portnoy to 1 medical group.
What is Joseph Portnoy's office phone number?
The practice phone on file for Joseph Portnoy is (631) 226-5252.
What is Joseph Portnoy's medical license number?
Joseph Portnoy holds New York license 0438361.
How long has Joseph Portnoy been practicing?
Joseph Portnoy's NPI was assigned in 2006.
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