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

Dr. William Charles Heintz, DMD

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1366525404

Dr. William Charles Heintz, DMD is an Orthodontics and Dentofacial Orthopedics Dentistry in Alton, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
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

2828 Homer M Adams Pkwy
Alton, IL 62002-4855
Phone: (618) 465-7423
Fax: (618) 465-5518
Show map & directions

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

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X (IL)

Record details

NPI number1366525404
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedOctober 23, 2006
Last updated in NPPESJuly 8, 2007

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