Physician Profile
William E. Cayley, MD MDIV practices family medicine in Eau Claire, WI. William is a 1996 graduate of Medical College of Wisconsin. Medicare claims data shows William provided 551 services to 440 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, insertion of needle into vein for collection of blood sample, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3802 OAKWOOD MALL DR
Eau Claire, WI 54701
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
551 services · 440 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
88 | As often as other peers in Family Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
13 | Less often than most peers in Family Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
13 | Less often than most peers in Family Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
98 | As often as other peers in Family Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
71 | As often as other peers in Family Medicine |
| Blood test, basic group of blood chemicals (calcium, total) | Lab test | 80048 |
51 | As often as other peers in Family Medicine |
| Hemoglobin a1c level | Lab test | 83036 |
36 | As often as other peers in Family Medicine |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
30 | Less often than most peers in Family Medicine |
| Complete blood cell count (red cells, white blood cell, platelets), automated test | Lab test | 85027 |
29 | As often as other peers in Family Medicine |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
29 | Less often than most peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Cayley is a family doctor in Eau Claire, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Dr. Cayley is listed at 3802 Oakwood Mall Dr, Eau Claire, WI 54701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (715) 839-9280. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Cayley's National Provider Identifier is 1053340067. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Cayley attended Medical College of Wisconsin, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
Dr. Cayley has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Cayley performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cayley. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.