Kathleen H. Willey, MD

Medicare activity in 2024

Official CMS public-use data for Kathleen H. Willey, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)253 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)214 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)203 services
4. Injection of drug or substance under skin or into muscle (96372)75 services
5. Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (J3420)74 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol75%
• High blood pressure68%
• Arthritis48%
• Anxiety27%
• Depression26%
• Diabetes24%

Hospitals where Kathleen H. Willey works

Medicare's Facility Affiliation Data lists Kathleen H. Willey at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Christiana HospitalNewark, DE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 080001

Practice locations

Addresses where Kathleen H. Willey is enrolled with Medicare (CMS data updated October 2, 2026).

• 722 Yorklyn Rd, Suite 400Hockessin, DE 19707 (302) 235‑2351

Group practices

Medicare enrollment lists Kathleen H. Willey as a member of this group (CMS data updated October 2, 2026).

• Christiana Care Health Services Inc1,483 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Delaware →

Other family doctors in Hockessin

Clinicians with the same Medicare primary specialty in Hockessin, DE — not a recommendation.

• Austin D. Hager, DO
• Alessandro Bianchi, DO
• Stephen J. Duggan, DO
• Elizabeth M. Cerva, DO
• Eva Geracimos, MD
• John Demario, DO

All family doctors in Hockessin →

Other clinicians in Christiana Care Health Services Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Dana C. Manuel, MD
• Amanda H. Wardwell, NP
• Soraya B. Bascoy, MD
• Benjamin R. Denenberg, DPM
• Alexandra Nixon, NP
• Alden Chang, PA

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians