NPPES file of Aug 9, 2026

Joseph M. Bresnahan, M.D.

Gastroenterology Physician · Riverside, IL

Joseph M. Bresnahan, M.D. is a gastroenterology physician with a practice address in Riverside, Illinois, and NPI 1710925532, issued on Jun 3, 2006. Check the license (Illinois 036079271, 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
1710925532
Name
Joseph M. Bresnahan
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
036079271 IL
Self-reported in NPPES; status is on the state search
Practice location
3722 Harlem Ave, Riverside, IL 60546
Phone
(708) 783-7000
Enumerated
Jun 3, 2006
Record last updated
Apr 3, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(708) 783-7008
Medicaid ID
036079271 IL
Medicare enrollment
Enrolled (PECOS I20040709000960); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 1987
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 3722 Harlem Ave

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

  1. Ann Bunyan, M.DInternal Medicine Physician1174935274
  2. Viraj Chauhan, M.D.Pediatrics Physician1962835884
  3. Premsai ChilakuluriInternal Medicine Physician1255252011
  4. Mario Damian Cardenas, MDInternal Medicine Physician1922934280
  5. Navos Pon Golda Durai, MDInternal Medicine Physician1629995485
  6. Anshika Gupta, MBBSInternal Medicine Physician1922929983

Verify Joseph M. Bresnahan 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 036079271
    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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12% more Medicare Part D claims than the average gastroenterology physician in 2024

908 Medicare Part D claims for 448 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Joseph Bresnahan908
  2. Specialty average811

Most prescribed

  1. Gavilyte-G209 claims
  2. Omeprazole151 claims
  3. Pantoprazole Sodium91 claims
  4. Peg-3350 And Electrolytes65 claims
  5. Famotidine63 claims
  6. Gavilyte-C33 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: $1,511.07

60 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Bresnahan$1,511.07
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Loyola University Medical CenterMaywood, IL · Acute Care Hospitals2 of 5 stars
  2. Loyola Medical Group LLCBerwyn, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

2 gastroenterology physician records list a practice address in Riverside

They are 2 of the 150 NPPES records with a practice address in Riverside, and 887 gastroenterology physician records in Illinois.

Other gastroenterology physician records in Illinois

  1. Abdul Aadam, M.D.Chicago, IL1013038744
  2. Richard Aaronson, M.D.Olympia Fields, IL1578520656
  3. Abdelhai Abdelqader, MDMaywood, IL1073931127
  4. Mustafa Abdul-Hussein, MDMattoon, IL1972759173
  5. Abdullah AbdussalamDes Plaines, IL1932442613
  6. Ayokunle Abegunde, M.D.Maywood, IL1194031435
  7. Majd Aboona, MDChicago, IL1386347789
  8. James Abraham, MDNaperville, IL1427276732
  9. Rana Abraham, M.D., M.S.Chicago, IL1437318516
  10. Frida Abrahamian, MDChicago, IL1447274279

Common questions

What is Joseph M. Bresnahan, M.D.'s NPI number?

Joseph M. Bresnahan, M.D.'s National Provider Identifier (NPI) is 1710925532, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph M. Bresnahan, M.D. located?

The NPPES record lists a practice address at 3722 Harlem Ave, Riverside, IL, 60546. Phone: (708) 783-7000. Providers update this record themselves, so call before visiting.

How can I verify Joseph M. Bresnahan, M.D.'s license?

NPPES lists Illinois license number 036079271, 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 M. Bresnahan, M.D. prescribe under Medicare Part D?

In 2024, Joseph M. Bresnahan, M.D. had 908 Medicare Part D claims for 448 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.