Doctor profile · Federal record

Dr. Greg Ortenberg, DDS

Endodontist · Farmingville, NY

  • NPI 1396996419
  • 18 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1025 Portion RD, Suite H
Farmingville, NY 117382291
(631) 696-0100
fax (631) 696-4159

Credentials & registration

NPPES · NUCC
NPI registered
October 2008 — 18 yrs on file
Profile last updated
April 10, 2014
Specialty taxonomy
1223E0200X — NUCC code
State license (1)
New York #052885

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396996419. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$11
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ultradent Products INC 1 $10.76

By nature of payment

Food and Beverage
$11

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
35
Patients
34
Total drug cost
$148
Drug Type Claims Patients Total cost
Amoxicillin Generic 21 21 $113
Ibuprofen Generic 14 13 $35

Frequently asked questions

Auto-generated from federal data
What is Dr. Greg Ortenberg's medical specialty?
Dr. Greg Ortenberg practices Endodontist in Farmingville, NY.
Where does Dr. Greg Ortenberg practice?
Dr. Greg Ortenberg practices at 1025 Portion RD, Farmingville, NY 117382291. Office phone: 6316960100.
What is Dr. Greg Ortenberg's NPI?
Dr. Greg Ortenberg's National Provider Identifier (NPI) is 1396996419, issued by NPPES.