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

Dr. Hamil J Willoughby, DDS

Individual provider Oral and Maxillofacial Surgery (Dentist) · NPI 1104074525

Dr. Hamil J Willoughby, DDS is an Oral and Maxillofacial Surgery (Dentist) in Stony Brook, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2008
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

184 Sullivan Hall Stony Brook University School Of Dental Medicine
Stony Brook, NY 11794-8705
Phone: (631) 632-8975
Fax: (631) 632-3747
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 027222 (NY)

Record details

NPI number1104074525
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedAugust 28, 2008
Last updated in NPPESSeptember 11, 2012
Mailing address59 Meredith Ave, Sag Harbor, NY 11963-3224

Other providers in Stony Brook