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

William T Swearingen, DO

Individual provider Family Medicine Physician · NPI 1336168236

William T Swearingen, DO is a Family Practice in Mercer, Wisconsin. Graduated from Oklahoma State University College of Osteopathic Medicine in 1997, 29 years ago. Practices with Norman Regional Providers Primary Care, a 56-clinician group and accepts Medicare assignment. Licensed in Oklahoma and Wisconsin.

Years since qualifying
29
Trained at
Oklahoma State University College of Osteopathic Medicine
Licensed in
OK, WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

5110N W Hwy 51
Mercer, WI 54547-8919
Phone: (888) 652-5033
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 13210-321 (WI)
Family Medicine Physician Taxonomy 207Q00000X · Licence 3993 (OK)

Record details

NPI number1336168236
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESDecember 10, 2025
Certification dateDecember 10, 2025
Mailing address1307 N Saint Joseph Ave, Marshfield, WI 54449-1340

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1997 (29 years in practice)
Group practice Norman Regional Providers Primary Care — 56 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Mercer