Timothy G. Williamson, DDS

General Practice Dentistry · Oconomowoc, WI

Individual Active NPI

NPI number 1124076658

Practice location

970 S Silver Lake St
Oconomowoc, WI 53066-3802
Phone
(262) 567-7400

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NPI record

NPI
1124076658
Entity type
Individual (Type 1)
Enumeration date
May 5, 2006
Last updated
July 13, 2026
Sole proprietor
No

Specialties & taxonomy codes

TaxonomyCodeLicenseState
General Practice Dentistry Primary 1223G0001X 4704 WI

Mailing address

36233 Silver Maple Ln
Oconomowoc, WI 53066-9457
Phone
(262) 560-9899

About Dr. Williamson

Timothy G. Williamson, DDS is a healthcare provider registered in the NPI registry with the primary taxonomy General Practice Dentistry (code 1223G0001X). The practice location is 970 S Silver Lake St, Oconomowoc, WI 53066-3802. The NPI number 1124076658 was assigned on May 5, 2006 and the record was last updated on July 13, 2026.

Dr. Williamson lists a license in the registry: #4704 (WI) for General Practice Dentistry. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of Timothy G. Williamson, DDS?

The NPI number is 1124076658.

What is the phone number of Dr. Williamson?

The phone number listed for the practice location is (262) 567-7400.

Where is Dr. Williamson located?

970 S Silver Lake St, Oconomowoc, WI 53066-3802.

What is the taxonomy code for Dr. Williamson?

The primary taxonomy code is 1223G0001X – General Practice Dentistry.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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