Doctor profile · Federal record

Dr. Joan Walder, DDS

Orthodontics and Dentofacial Orthopedic Dentist · Northampton, MA

  • NPI 1760541742
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
269 Locust Street
Northampton, MA 01062
(413) 586-8455
fax (413) 584-2261

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1223X0400X — NUCC code
State license (1)
Massachusetts #19003

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760541742. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$172
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Align Technology, INC. 3 $72.54
Ortho Organizers, INC. 3 $60.99
Gc America INC. 1 $21.64
American Orthodontics Corporation 1 $16.45

By nature of payment

Food and Beverage
$172

Frequently asked questions

Auto-generated from federal data
What is Dr. Joan Walder's medical specialty?
Dr. Joan Walder practices Orthodontics and Dentofacial Orthopedic Dentist in Northampton, MA.
Where does Dr. Joan Walder practice?
Dr. Joan Walder practices at 269 Locust Street, Northampton, MA 01062. Office phone: 4135868455.
What is Dr. Joan Walder's NPI?
Dr. Joan Walder's National Provider Identifier (NPI) is 1760541742, issued by NPPES.