DR. WILLIAM E CAYLEY JR. MD MDIV
NPI 1053340067
Family Medicine in Eau Claire, WI

Active since July 02, 2006PECOS EnrolledAccepts Medicare Assignment
94.61/100
CMS Quality Rating
3802 OAKWOOD MALL DR, EAU CLAIRE, WI 54701(715) 839-9280 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jan 22, 2026, Mar 21, 2025, Jul 3, 2024 and 1 more (4 updates tracked since 2021).

About Dr. William E Cayley Jr. Md Mdiv NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM E CAYLEY JR. MD MDIV (NPI 1053340067) is an individual family medicine provider in Eau Claire, Wisconsin, licensed in Wisconsin (39025-20) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Oakleaf Surgical Hospital, and is a graduate of Medical College Of Wisconsin (1996).

NPPES Registry Identity

NPI1053340067
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. WILLIAM E CAYLEY JR.Credential: MD MDIV
Location Address3802 OAKWOOD MALL DREau Claire, WI 54701-3016
Mailing Address2403 Folsom StEau Claire, WI 54703-2435 · (715) 552-9784 · Fax (715) 835-6370
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1996
Enumeration DateJuly 2, 2006
Last NPPES UpdateJanuary 22, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2026
✔ NPI 1053340067 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WI · 39025-20
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3802 OAKWOOD MALL DR, Eau Claire, WI 54701

Other Identifiers 1

Medicaid32472600WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William E Cayley Jr. Md Mdiv is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7416855523
PECOS Enrollment IDI20031229000321
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
98 services67 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
88 services70 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
71 services55 patients
Blood test, basic group of blood chemicals (calcium, total) 80048
A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.
51 services40 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
36 services27 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307
A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.
30 services19 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Oakleaf Surgical Hospital

Acute Care Hospitals · Altoona, WI
OwnershipPhysician
CMS Certification Number520196
Location1000 Oakleaf WayAltoona, WI 54720 · Eau Claire County

Mayo Clinic Health System Oakridge

Critical Access Hospitals · Osseo, WI
OwnershipVoluntary non-profit - Other
CMS Certification Number521302
Location13025 8th StOsseo, WI 54758 · Trempealeau County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.17
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers44 claims110 services$5.20 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
2 suppliers14 claims14 services$6.37 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier27 claims27 services$76.93 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier32 claims32 services$29.57 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
1 supplier27 claims4,200 services$0.03 avg. paid by Medicare
Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620
DME-Drugs Administered Through DME · category DG006N
1 supplier13 claims1,560 services$0.10 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
3802 OAKWOOD MALL DR
EAU CLAIRE, WI 54701
Internal Medicine
3802 OAKWOOD MALL DR
EAU CLAIRE, WI 54701
Clinic/Center (Sleep Disorder Diagnostic)
3802 OAKWOOD MALL DR
EAU CLAIRE, WI 54701
Nurse Practitioner (Family)
3802 OAKWOOD MALL DR
EAU CLAIRE, WI 54701
Nurse Practitioner
3802 OAKWOOD MALL DR
EAU CLAIRE, WI 54701
Nurse Practitioner (Family)
3802 OAKWOOD MALL DR
EAU CLAIRE, WI 54701
Internal Medicine
3802 OAKWOOD MALL DR
EAU CLAIRE, WI 54701
Nurse Practitioner (Gerontology)
3802 OAKWOOD MALL DR
EAU CLAIRE, WI 54701

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Cayley's NPI number?

The NPI number for William Cayley is 1053340067. It was assigned to this individual provider in the NPPES registry on July 2, 2006.

Where is William Cayley located?

William Cayley practices at 3802 Oakwood Mall Dr, Eau Claire, WI 54701. The listed phone number is (715) 839-9280.

What is William Cayley's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is William Cayley enrolled in Medicare?

Yes. William Cayley is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Cayley accept?

Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Medica, Quartz and Security Health Plan list William Cayley as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Cayley affiliated with any hospitals?

According to CMS data, William Cayley is affiliated with Oakleaf Surgical Hospital and Mayo Clinic Health System Oakridge.

When was this NPI record last updated?

The NPPES record for William Cayley was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.