Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William John Bontempi, DMD, MD

Individual provider Oral and Maxillofacial Surgery (Dentist) · NPI 1114958444

Dr. William John Bontempi, DMD, MD is an Oral and Maxillofacial Surgery (Dentist) in Westfield, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

53 Southampton Rd Ste 5
Westfield, MA 01085-1582
Phone: (413) 562-1100
Fax: (413) 562-3653
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Oral and Maxillofacial Surgery (Dentist) (primary) Taxonomy 1223S0112X · Licence 19611 (MA)

Record details

NPI number1114958444
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD , MD
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESJuly 8, 2007

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