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

Dr. John Joseph Hillgen IV, DMD

Individual provider Oral and Maxillofacial Surgery (Dentist) · NPI 1538193370

Dr. John Joseph Hillgen IV, DMD is an Oral Surgery in Waterbury, Connecticut. Qualified in 1995, 31 years ago. Practices as a sole proprietor. Licensed in Connecticut.

Years since qualifying
31
Licensed in
CT
In the registry since
2006
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

See every abbreviation used in this directory →

Practice location Address checks out

1389 W Main St Ste 320
Waterbury, CT 06708-3104
Phone: (203) 573-1427
Fax: (203) 574-2460
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 8138 (CT)

Record details

NPI number1538193370
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedJuly 10, 2006
Last updated in NPPESJuly 3, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORAL SURGERY
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Accepts Medicare assignment Not indicated

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