William E. Cayley, MD MDIV
Family Medicine Physician · Eau Claire, WI
William E. Cayley, MD MDIV is a family medicine physician with a practice address in Eau Claire, Wisconsin, and NPI 1053340067, issued on Jul 2, 2006. Check the license (Wisconsin 39025-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William E. Cayley
- Credential
- MD MDIV
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 39025-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3802 Oakwood Mall Dr, Eau Claire, WI 54701
- Phone
- (715) 839-9280
- Enumerated
- Jul 2, 2006
- Record last updated
- Jan 22, 2026
- Medicaid ID
- 32472600 WI
- Medicare enrollment
- Enrolled (PECOS I20031229000321); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1996
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 3802 Oakwood Mall Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carey Boehm, RN, APNP-CSCFamily Nurse Practitioner1174773394
- Melanie Butak, FNPFamily Nurse Practitioner1649689233
Verify William E. Cayley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 39025-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average family medicine physician in 2024
3,108 Medicare Part D claims for 206 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 69 claims were for opioids.
Most prescribed
- Atorvastatin Calcium167 claims
- Lisinopril132 claims
- Omeprazole106 claims
- Metformin Hcl99 claims
- Levothyroxine Sodium89 claims
- Warfarin Sodium85 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Oakleaf Clinics IncEau Claire, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William E. Cayley among 3,765 family medicine physician records in Wisconsin
William E. Cayley, MD MDIV is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1996 · median 2007 among the 2,347 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
111 family medicine physician records list a practice address in Eau Claire
They are 111 of the 3,085 NPPES records with a practice address in Eau Claire, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Eau Claire → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Gene Enders, MDEau Claire, WI 547011841261757
- Amy Falkenberg, MDEau Claire, WI 547011568453512
- Lisa Gillette, MDEau Claire, WI 547011215908124
- Paul Green, MDEau Claire, WI 547011801876966
- Paul Loomis, MDEau Claire, WI 547011073584975
Common questions
What is William E. Cayley, MD MDIV's NPI number?
William E. Cayley, MD MDIV's National Provider Identifier (NPI) is 1053340067, issued on Jul 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William E. Cayley, MD MDIV located?
The NPPES record lists a practice address at 3802 Oakwood Mall Dr, Eau Claire, WI, 54701. Phone: (715) 839-9280. Providers update this record themselves, so call before visiting.
How can I verify William E. Cayley, MD MDIV's license?
NPPES lists Wisconsin license number 39025-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William E. Cayley, MD MDIV prescribe under Medicare Part D?
In 2024, William E. Cayley, MD MDIV had 3,108 Medicare Part D claims for 206 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William E. Cayley, MD MDIV's MIPS final score?
The 2023 MIPS final score is 94.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.