Gregory M. Seiden, DDS
- Part D claims, 2024
- 177
- Industry payments
- $46
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 21 Division Ave, Levittown, NY 11756-2919
- Practice phone
- Call (516) 731-7660
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Seiden Dental Excellence
Physician office · Levittown, New York
Find Gregory Seiden'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 M. Seiden is a dentist in Levittown, New York
Gregory Seiden practices at Seiden Dental Excellence in Levittown, New York.
Gregory Seiden's NPI, 1144345976, was assigned on March 20, 2007. Gregory Seiden holds New York license 0399911.
- NPI
- 1144345976NPI Registry (opens in a new tab)
- NPI enumeration date
- March 20, 2007
- NPI status
- Active
- Practice phone
- (516) 731-7660
- 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 M. Seiden practices at Seiden Dental Excellence in Levittown, New York
Gregory Seiden's primary practice is Seiden Dental Excellence, at 21 Division Ave, Levittown, NY 11756-2919. The practice phone is (516) 731-7660.
- Seiden Dental Excellence21 Division Ave, Levittown, NY 11756-2919Phone(516) 731-7660
Source: Dmand AI Affiliation Data
Gregory M. Seiden is affiliated with 1 site of care
Gregory Seiden's primary practice is Seiden Dental Excellence in Levittown, New York.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gregory M. Seiden's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Seiden practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Seiden Dental Excellence | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory M. Seiden is one of 2,053 dentists in New York
Dentist is Gregory Seiden's primary specialty in the NPI Registry, under taxonomy code 122300000X. Gregory Seiden is licensed in New York.
Specialties and state licenses
- Dentist, New YorkPrimary
Dentists near Gregory Seiden
Counts of dentists 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 M. Seiden wrote 177 Medicare Part D claims in 2024
In 2024, Gregory Seiden wrote 177 Medicare Part D claims for 78 patients. 97% of them were for generic drugs.
Gregory Seiden's Part D claims by kind of drug, 2024
- Generic172 claims97%
- Brand-name and other5 claims3%
Drug classes CMS tracks in Gregory Seiden's Part D claims, 2024
- Antibiotics67%119 of 177 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Gregory M. Seiden received $46 in industry payments in 2025
CMS Open Payments shows 2 general payments to Gregory Seiden from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Straumann USA LLC paid the most, $29.
Companies that paid Gregory Seiden 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 Gregory M. Seiden'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 |
| 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 Gregory M. Seiden
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 M. Seiden's NPI number?
Gregory M. Seiden's NPI number is 1144345976. It was assigned on March 20, 2007, and it is active in the NPI Registry.
What does Gregory M. Seiden specialize in?
Gregory M. Seiden is a dentist in Levittown, New York. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Gregory M. Seiden practice?
Gregory Seiden practices at 21 Division Ave, Levittown, NY 11756-2919. Gregory Seiden's primary practice is Seiden Dental Excellence in Levittown, New York.
What is Gregory M. Seiden's office phone number?
The practice phone on file for Gregory Seiden is (516) 731-7660.
What is Gregory M. Seiden's medical license number?
Gregory Seiden holds New York license 0399911.
Has Gregory M. Seiden received payments from drug or device companies?
CMS Open Payments shows $46 in general payments to Gregory Seiden from 2 companies from 2025 to 2025. The largest total came from Straumann USA LLC.
How long has Gregory M. Seiden been practicing?
Gregory Seiden's NPI was assigned in 2007.
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