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

Dr. John McMillen, DDS

Individual provider General Practice Dentistry · NPI 1730246646

Dr. John McMillen, DDS is a General Practice Dentistry in Sycamore, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
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

2550 Hauser Ross Dr Ste 300
Sycamore, IL 60178-3149
Phone: (815) 756-6626
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 019021057 (IL)

Record details

NPI number1730246646
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJanuary 2, 2007
Last updated in NPPESAugust 27, 2008
Mailing address2550 Hauser Ross Dr, Suite 300, Sycamore, IL 60178-3149

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