Jill Elise Mackey, M.D.
Family Medicine Physician · Wilmington, DE
Jill Elise Mackey, M.D. is a family medicine physician with a practice address in Wilmington, Delaware, and NPI 1578505863, issued on Jun 12, 2006. Check the license (Delaware C10004721, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Jill Elise Mackey
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C10004721 DE
Self-reported in NPPES; status is on the state search - Practice location
- 4512 Kirkwood Hwy Ste 205, Wilmington, DE 19808
- Phone
- (302) 660-7302
- Enumerated
- Jun 12, 2006
- Record last updated
- Apr 29, 2024
- Fax
- (302) 660-7516
- Medicaid ID
- 000711401 DE
- Medicare enrollment
- Enrolled (PECOS I20041120000073); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1994
- 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 4512 Kirkwood Hwy Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary High, R.N., M.S.N.Adult Health Nurse Practitioner1457350019
Verify Jill Elise Mackey 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 C10004721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 96% of the cost of the top drugs
31,178 Medicare Part D claims for 20,397 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 86% of claims. 105 claims were for opioids.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Shingrix10,404 claims
- Arexvy6,510 claims
- Abrysvo5,107 claims
- Boostrix Tdap3,161 claims
- Twinrix370 claims
- Atorvastatin Calcium343 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.
Industry payments in 2024: $2,816.80
124 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Delaware Medical Group, LLCWilmington, DE
- Mackey Family Practice LLCWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jill Elise Mackey among 518 family medicine physician records in Delaware
Jill Elise Mackey, 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1994 · median 2002 among the 323 with a school on file
- Record last updated2024 · 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).
163 family medicine physician records list a practice address in Wilmington
They are 163 of the 6,291 NPPES records with a practice address in Wilmington, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Wilmington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Maryann Connor, DOWilmington, DE 198081912960428
- John Fenice, M.D.Wilmington, DE 198081033138169
- Eva Geracimos, MDWilmington, DE 198081750344784
- Mark Haegele, DOWilmington, DE 198081750325544
- Scott Harrison, DOWilmington, DE 198081841253275
- Rebecca Jaffe, MDWilmington, DE 198081275539033
- David Jezyk, MDWilmington, DE 198081093828014
- Horatio Jones, MDWilmington, DE 198081235101676
Common questions
What is Jill Elise Mackey, M.D.'s NPI number?
Jill Elise Mackey, M.D.'s National Provider Identifier (NPI) is 1578505863, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jill Elise Mackey, M.D. located?
The NPPES record lists a practice address at 4512 Kirkwood Hwy Ste 205, Wilmington, DE, 19808. Phone: (302) 660-7302. Providers update this record themselves, so call before visiting.
How can I verify Jill Elise Mackey, M.D.'s license?
NPPES lists Delaware license number C10004721, 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 Jill Elise Mackey, M.D. prescribe under Medicare Part D?
In 2024, Jill Elise Mackey, M.D. had 31,178 Medicare Part D claims for 20,397 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.