Doctor profile · Federal record

Dr. Karen Hammer, DDS

General Practice Dentistry · Massapequa, NY

  • NPI 1952472755
  • 20 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
847 N Broadway
Massapequa, NY 117582373
(516) 798-0850
fax (516) 798-5713

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
October 30, 2008
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
New York #32863

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952472755. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$767
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Straumann USA LLC 3 $458.87
Align Technology, INC. 2 $150.00
Dentsply Sirona INC 2 $143.18
OraPharma, A Division of Bausch Health US, LLC 1 $14.89

By nature of payment

Food and Beverage
$317
Education
$300
Consulting Fee
$150

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Hammer's medical specialty?
Dr. Karen Hammer practices General Practice Dentistry in Massapequa, NY.
Where does Dr. Karen Hammer practice?
Dr. Karen Hammer practices at 847 N Broadway, Massapequa, NY 117582373. Office phone: 5167980850.
What is Dr. Karen Hammer's NPI?
Dr. Karen Hammer's National Provider Identifier (NPI) is 1952472755, issued by NPPES.