Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. James William Schaeffer, DDS
Dentist in Watertown, WI · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518304591
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Registry record
Entity type Individual (Type 1)
Name Dr. James William Schaeffer
Credential DDS
Sex Male
Practice address 101 Oakridge Ct, Watertown, WI, 53094
Phone (920) 261-5400
Fax (920) 261-1590
Enumeration date May 30, 2013
Last updated in NPPES May 30, 2013
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does James Schaeffer practice?
The practice location on file with NPPES is in Watertown, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for James Schaeffer?
The National Provider Identifier (NPI) for James Schaeffer is 1518304591, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Rock River Foot & Ankle Clinic, Sc Podiatrist · Watertown, WI NPI 1043263007 Brent Yaeggi Podiatrist · Watertown, WI NPI 1427001676 Greg Graglia Podiatrist · Watertown, WI NPI 1841244555 Victor Soderstrom Podiatrist · Watertown, WI NPI 1508810110 Drs. Foot Source, Inc. Durable Medical Equipment & Medical Supplies · Watertown, WI NPI 1376624064 Cary Gillingham General Practice Dentistry · Watertown, WI NPI 1760564835 Nicole Huggett General Practice Dentistry · Watertown, WI NPI 1073766085
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-30.