Mark A. McKeon, M.D.
Emergency Medicine Physician · Dubuque, IA
Mark A. McKeon, M.D. is an emergency medicine physician with a practice address in Dubuque, Iowa, and NPI 1538105945, issued on Jun 22, 2006. Check the license (Iowa 35453, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark A. McKeon
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 35453 IA
Self-reported in NPPES; status is on the state search - Practice location
- 250 Mercy Dr, Dubuque, IA 52001
- Phone
- (563) 589-8000
- Enumerated
- Jun 22, 2006
- Record last updated
- Apr 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid IDs
- 34601300 WI
0442335 IA - Medicare enrollment
- Enrolled (PECOS I20040730000800); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 509 in Iowa → Look up another NPI →
Also registered at 250 Mercy Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chelsie Arlen, RNCritical Care Medicine Registered Nurse1245164698
- Erin BaileyPharmacist1205465473
- Jill Ballantine, AGACNPGerontology Nurse Practitioner1073979555
- Brett Becker, PHARMDPharmacist1972118578
- Virginia Burdine, MDAnatomic Pathology & Clinical Pathology Physician1124094941
- Christine Burds, A.R.N.P.Nurse Practitioner1326097791
Verify Mark A. McKeon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 35453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average emergency medicine physician in 2024
246 Medicare Part D claims for 195 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Cephalexin51 claims
- Oxycodone-Acetaminophen20 claims
- Amoxicillin-Clavulanate Potass17 claims
- Doxycycline Hyclate17 claims
- Azithromycin15 claims
- Methylprednisolone14 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
- Dubuque Emergency Physicians PCDubuque, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. McKeon among 509 emergency medicine physician records in Iowa
Mark A. McKeon, M.D. is one of 509 emergency medicine physician records with a practice address in Iowa. 74% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 59% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2001 · median 2012 among the 231 with a school on file
- Record last updated2019 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 emergency medicine physician records list a practice address in Dubuque
They are 18 of the 1,468 NPPES records with a practice address in Dubuque, and 509 emergency medicine physician records in Iowa.
All 509 in Iowa → Every provider in Dubuque → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Banyasz, M.D.Dubuque, IA 520011619160322
- Timothy Bowers, M.D.Dubuque, IA 520011174509798
- Amy Engelman, D.O.Dubuque, IA 520011982801114
- Theodore Gifford, M.D.Dubuque, IA 520011255317970
- Tami Gudenkauf, D.ODubuque, IA 520011538103791
- Frederick Isaak, M.D.Dubuque, IA 520011639129281
- Richard Koehler, M.D.Dubuque, IA 520011538103221
- Frederick Liaboe, D.O.Dubuque, IA 520011881040269
Common questions
What is Mark A. McKeon, M.D.'s NPI number?
Mark A. McKeon, M.D.'s National Provider Identifier (NPI) is 1538105945, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. McKeon, M.D. located?
The NPPES record lists a practice address at 250 Mercy Dr, Dubuque, IA, 52001. Phone: (563) 589-8000. Providers update this record themselves, so call before visiting.
How can I verify Mark A. McKeon, M.D.'s license?
NPPES lists Iowa license number 35453, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark A. McKeon, M.D. prescribe under Medicare Part D?
In 2024, Mark A. McKeon, M.D. had 246 Medicare Part D claims for 195 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.