NPPES file of Aug 9, 2026

Joseph B. Keenan, DO

Emergency Medicine Physician · Bloomingdale, IL

Joseph B. Keenan, DO is an emergency medicine physician with a practice address in Bloomingdale, Illinois, and NPI 1407865645, issued on Aug 5, 2006. Check the license (Illinois 036-095666, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407865645
Name
Joseph B. Keenan
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
036-095666 IL
Self-reported in NPPES; status is on the state search
Practice location
220 Springfield Dr, Bloomingdale, IL 60108
Phone
(888) 693-6437
Enumerated
Aug 5, 2006
Record last updated
Aug 29, 2023
Medicaid ID
036056391 IL
Medicare enrollment
Enrolled (PECOS I20090911000344); accepts Medicare assignment
Medical or professional school
Chicago College Of Osteopathy, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 220 Springfield Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Teresa Austin, D.P.T.Physical Therapist1952844581
  2. Kris Dapiton, DPTPhysical Therapist1306498506
  3. Faraz Haque, DPMPodiatrist1851786545
  4. Frederick Hayden, PA-CPhysician Assistant1275909392
  5. Trent Kucera, DPT, CSCSPhysical Therapist1235617259
  6. Justin Maristela, PTAPhysical Therapy Assistant1457206575

Verify Joseph B. Keenan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-095666    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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5.2 times the Medicare Part D claims of the average emergency medicine physician in 2024

1,180 Medicare Part D claims for 777 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 143 claims were for opioids.

  1. Joseph Keenan1,180
  2. Specialty average226

Most prescribed

  1. Azithromycin165 claims
  2. Prednisone119 claims
  3. Cefadroxil109 claims
  4. Amoxicillin78 claims
  5. Hydrocodone-Acetaminophen58 claims
  6. Acetaminophen-Codeine57 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

  1. Dupage Medical Group LtdBloomingdale, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Emergency Medicine Physician providers in Illinois

There are 3,291 emergency medicine physician records in Illinois.

All 3,291 in Illinois → Every provider in Bloomingdale →

Other emergency medicine physician records in Illinois

  1. Osama Aaflaq, M.D.Carbondale, IL1083663520
  2. Suresh Abad, M.D.Vernon Hills, IL1639100126
  3. Albert Abalos, M.D.Elmhurst, IL1881983484
  4. Habib Abbasi, M.D.Joliet, IL1902832835
  5. Andrew Abbeg, D.O.Greenville, IL1548490311
  6. Ryan Abbott, DOChicago, IL1477243517
  7. Ahmad Abdulla, MDOak Lawn, IL1467202556
  8. Zakaria Abdulnabi, M.D.Urbana, IL1790135499
  9. Aziz Abed, M.D.Harvey, IL1477874154
  10. Logan Abel, MDChicago, IL1447900592

Common questions

What is Joseph B. Keenan, DO's NPI number?

Joseph B. Keenan, DO's National Provider Identifier (NPI) is 1407865645, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph B. Keenan, DO located?

The NPPES record lists a practice address at 220 Springfield Dr, Bloomingdale, IL, 60108. Phone: (888) 693-6437. Providers update this record themselves, so call before visiting.

How can I verify Joseph B. Keenan, DO's license?

NPPES lists Illinois license number 036-095666, 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 Joseph B. Keenan, DO prescribe under Medicare Part D?

In 2024, Joseph B. Keenan, DO had 1,180 Medicare Part D claims for 777 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.