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

Dr. William E Cayley Jr., MDMDIV

Individual provider Family Medicine Physician · NPI 1053340067

Dr. William E Cayley Jr., MDMDIV is a Family Practice in Eau Claire, Wisconsin. Graduated from Medical College of Wisconsin in 1996, 30 years ago. Practices with Oakleaf Clinics Inc, a 103-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
30
Trained at
Medical College of Wisconsin
Licensed in
WI
In the registry since
2006
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Practice location Address checks out

3802 Oakwood Mall Dr
Eau Claire, WI 54701-3016
Phone: (715) 839-9280
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 39025-20 (WI)

Record details

NPI number1053340067
Entity typeIndividual (Type 1)
GenderMale
Credentials MDMDIV
Sole proprietorNo
NPI enumeratedJuly 2, 2006
Last updated in NPPESJanuary 22, 2026
Certification dateJanuary 22, 2026
Mailing address2403 Folsom St, Eau Claire, WI 54703-2435

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1996 (30 years in practice)
Group practice Oakleaf Clinics Inc — 103 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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