Doctor profile · Federal record

Dr. Gregory Seiden, DDS

Dentist · Levittown, NY

  • NPI 1144345976
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21 Division Avenue
Levittown, NY 11756
(516) 731-7660

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
122300000X — NUCC code
State license (1)
New York #0399911

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144345976. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$424
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Straumann USA LLC 1 $150.00
Ultradent Products INC 1 $139.10
Neoss, INC. 2 $99.97
Kulzer, LLC 1 $21.09
Align Technology, INC. 1 $13.81

By nature of payment

Food and Beverage
$274
Education
$150

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
144
Patients
95
Total drug cost
$403
Drug Type Claims Patients Total cost
Amoxicillin Generic 97 66 $281
Ibuprofen Generic 36 29 $69
Clindamycin Hcl Generic 11 0 $53

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Seiden's medical specialty?
Dr. Gregory Seiden practices Dentist in Levittown, NY.
Where does Dr. Gregory Seiden practice?
Dr. Gregory Seiden practices at 21 Division Avenue, Levittown, NY 11756. Office phone: 5167317660.
What is Dr. Gregory Seiden's NPI?
Dr. Gregory Seiden's National Provider Identifier (NPI) is 1144345976, issued by NPPES.