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

Dr. Randy Joseph Halihan, DDS

Individual provider General Practice Dentistry · NPI 1043387335

Dr. Randy Joseph Halihan, DDS is a General Practice Dentistry in Crystal Lake, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
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

475 W Terra Cotta Ave Ste B1
Crystal Lake, IL 60014-3407
Phone: (815) 444-6444
Fax: (815) 444-6446
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X (IL)

Record details

NPI number1043387335
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedNovember 29, 2006
Last updated in NPPESJuly 8, 2007
Mailing address6108 Whiting Dr, McHenry, IL 60050-1705

Other providers in Crystal Lake