Patrick Michael Mackey, M.D.
Internal Medicine Physician · Wheaton, IL
Patrick Michael Mackey, M.D. is an internal medicine physician with a practice address in Wheaton, Illinois, and NPI 1316151848, issued on May 10, 2007. Check the license (Illinois 036123918, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Patrick Michael Mackey
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036123918 IL
Self-reported in NPPES; status is on the state search - Practice location
- 150 E Willow Ave Ste 300, Wheaton, IL 60187
- Phone
- (630) 469-7700
- Enumerated
- May 10, 2007
- Record last updated
- Aug 29, 2023
- Fax
- (630) 545-7851
- Medicaid ID
- 036123918 IL
- Medicare enrollment
- Enrolled (PECOS I20091119000193); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 150 E Willow Ave Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Giese, M.D.Family Medicine Physician1528027398
- Robert Kemp, MDFamily Medicine Physician1245235100
- Tessie Mathew, D.O.Family Medicine Physician1285950287
- Mark Nelson, MDFamily Medicine Physician1942277942
Verify Patrick Michael Mackey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036123918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average internal medicine physician in 2024
5,387 Medicare Part D claims for 555 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 118 claims were for opioids.
Most prescribed
- Amlodipine Besylate424 claims
- Atorvastatin Calcium369 claims
- Levothyroxine Sodium232 claims
- Metformin Hcl232 claims
- Losartan Potassium186 claims
- Pravastatin Sodium173 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: $30.66
2 payments; by number, the most common kind was food and beverage; the largest payer was Currax Pharmaceuticals LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Dupage Medical Group LtdSchaumburg, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Michael Mackey among 7,238 internal medicine physician records in Illinois
Patrick Michael Mackey, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2005 · median 2003 among the 3,580 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Illinois
There are 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Wheaton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Boyer, DOWheaton, IL 601871801452073
- Melissa Dattalo, MD, MPHWheaton, IL 601871578705067
- James Erlenborn, M.D.Wheaton, IL 601871982864377
- Scott Kolbaba, MDWheaton, IL 601871396776613
- Julie Leischner, MDWheaton, IL 601871336222488
- Maryanne Miller, MDWheaton, IL 601871275500613
- Sapan Patel, MDWheaton, IL 601871154530384
- Mathew Philip, M.D.Wheaton, IL 601871124282082
Common questions
What is Patrick Michael Mackey, M.D.'s NPI number?
Patrick Michael Mackey, M.D.'s National Provider Identifier (NPI) is 1316151848, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Michael Mackey, M.D. located?
The NPPES record lists a practice address at 150 E Willow Ave Ste 300, Wheaton, IL, 60187. Phone: (630) 469-7700. Providers update this record themselves, so call before visiting.
How can I verify Patrick Michael Mackey, M.D.'s license?
NPPES lists Illinois license number 036123918, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patrick Michael Mackey, M.D. prescribe under Medicare Part D?
In 2024, Patrick Michael Mackey, M.D. had 5,387 Medicare Part D claims for 555 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.