Doctor profile · Federal record

Dr. William Bontempi, DMD, MD

Oral and Maxillofacial Surgery (Dentist) · Westfield, MA

  • NPI 1114958444
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
53 Southampton RD, Suite 5
Westfield, MA 010851582
(413) 562-1100
fax (413) 562-3653

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1223S0112X — NUCC code
State license (1)
Massachusetts #19611

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114958444. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$30,037
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Straumann USA LLC 3 $30,036.68

By nature of payment

Consulting Fee
$30,000
Food and Beverage
$37

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
621
Patients
556
Total drug cost
$2,070
Drug Type Claims Patients Total cost
Amoxicillin Generic 211 176 $631
Chlorhexidine Gluconate Generic 186 175 $740
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 161 150 $253
Clindamycin Hcl Generic 43 37 $270
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 20 18 $176

Frequently asked questions

Auto-generated from federal data
What is Dr. William Bontempi's medical specialty?
Dr. William Bontempi practices Oral and Maxillofacial Surgery (Dentist) in Westfield, MA.
Where does Dr. William Bontempi practice?
Dr. William Bontempi practices at 53 Southampton RD, Westfield, MA 010851582. Office phone: 4135621100.
What is Dr. William Bontempi's NPI?
Dr. William Bontempi's National Provider Identifier (NPI) is 1114958444, issued by NPPES.