Kathleen Willey, M.D.
Family Medicine Physician · Hockessin, DE
Kathleen Willey, M.D. is a family medicine physician with a practice address in Hockessin, Delaware, and NPI 1821097114, issued on Jul 19, 2005. Check the license (Delaware C10005226, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Kathleen Willey
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C10005226 DE
Self-reported in NPPES; status is on the state search - Practice location
- 722 Yorklyn RD, Hockessin, DE 19707
- Phone
- (302) 235-2351
- Enumerated
- Jul 19, 2005
- Record last updated
- Apr 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (302) 235-2365
- Medicaid ID
- 0000944501 DE
- Medicare enrollment
- Enrolled (PECOS I20120208000170); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Also registered at 722 Yorklyn RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Chang, MDPediatrics Physician1124032750
- Lauren Healy Scarpaci, MDPediatrics Physician1841212941
- Bonnie Kelly, M.D.Family Medicine Physician1891794186
- Eun Kim, MDFamily Medicine Physician1861554271
- Miriam Mullin, MDFamily Medicine Physician1235136870
- Robert Olivieri, MDPediatrics Physician1760406755
Verify Kathleen Willey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C10005226Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% more Medicare Part D claims than the average family medicine physician in 2024
7,087 Medicare Part D claims for 698 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 79 claims were for opioids.
Most prescribed
- Atorvastatin Calcium581 claims
- Levothyroxine Sodium390 claims
- Amlodipine Besylate342 claims
- Losartan Potassium264 claims
- Lisinopril243 claims
- Omeprazole207 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.
Bills Medicare through one group practice
- Christiana Care Health Services IncHockessin, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen Willey among 518 family medicine physician records in Delaware
Kathleen Willey, M.D. is one of 518 family medicine physician records with a practice address in Delaware. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1996 · median 2002 among the 323 with a school on file
- Record last updated2008 · 53% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 family medicine physician records list a practice address in Hockessin
They are 21 of the 273 NPPES records with a practice address in Hockessin, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Hockessin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Imeliza Avigliano, MS, PA-CHockessin, DE 197071215013347
- Alessandro Bianchi, D.O.Hockessin, DE 197071013964964
- Gloria Fong, M.D.Hockessin, DE 197071851302459
- Bonnie Kelly, M.D.Hockessin, DE 197071891794186
- Eun Kim, MDHockessin, DE 197071861554271
- Stephen Kushner, DOHockessin, DE 197071134104805
- Genevieve Minick, M.D.Hockessin, DE 197071558333500
- Miriam Mullin, MDHockessin, DE 197071235136870
Common questions
What is Kathleen Willey, M.D.'s NPI number?
Kathleen Willey, M.D.'s National Provider Identifier (NPI) is 1821097114, issued on Jul 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Willey, M.D. located?
The NPPES record lists a practice address at 722 Yorklyn RD, Hockessin, DE, 19707. Phone: (302) 235-2351. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Willey, M.D.'s license?
NPPES lists Delaware license number C10005226, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathleen Willey, M.D. prescribe under Medicare Part D?
In 2024, Kathleen Willey, M.D. had 7,087 Medicare Part D claims for 698 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.