Dr. William H Knapp , DDS
Dentist - General Practice • Appleton, WI
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. William Knapp has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. William Knapp, DDS was a registered Dentist - General Practice practicing in Appleton, WI. Throughout an active medical career spanning 20 years, Dr. Knapp provided care at the practice location at 4660 W COLLEGE AVE until profile deactivation on 2026-04-23.
Practice Location & Contact Primary Location
4660 W College Ave
Appleton, WI 549138507
Specialty Benchmarks & Practice Insights
Comparative analytics for Dentist - General Practice in Appleton, WI
Practicing in Appleton, WI (2459 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 1223G0001X
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Dentist - General Practice
Dentist - General Practice
Doctor of Dental Surgery
Dentist - General Practice
Doctor of Dental Surgery
Dentist - General Practice
Doctor of Dental Surgery
Dentist - General Practice
Doctor of Dental Surgery
Dentist - General Practice
Doctor of Dental Surgery
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on April 23, 2026
NPI status registered as active in NPPES database
Registered at 4660 W COLLEGE AVE, APPLETON, WI 549138507 (Tel: 9207300345)
Registered at 4660 W COLLEGE AVE, APPLETON, WI 549138507 (Tel: 9207300345)
Recorded as WILLIAM KNAPP, DDS
Dentist (License #2195 in WI)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
4660 W College Ave
Appleton, WI 549138507
Phone: 9207300345
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