NPPES file of Aug 9, 2026

Megan Elizabeth Brennan, MD

Sports Medicine (Family Medicine) Physician · Berwyn, IL

Megan Elizabeth Brennan, MD is a sports medicine (family medicine) physician with a practice address in Berwyn, Illinois, and NPI 1407433055, issued on Mar 28, 2021. Check the license (Illinois 036169975, 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
1407433055
Name
Megan Elizabeth Brennan
Credential
MD
Primary taxonomy
Sports Medicine (Family Medicine) Physician 207QS0010X
License numbers
036169975 IL
036.169975 IL
Self-reported in NPPES; status is on the state search
Practice location
3249 Oak Park Ave, Berwyn, IL 60402
Phone
(708) 783-9100
Enumerated
Mar 28, 2021
Record last updated
Apr 28, 2026
Medicare enrollment
Enrolled (PECOS I20240717001009); accepts Medicare assignment
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 3249 Oak Park Ave

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

  1. Gholamali Afshang, MDDiagnostic Radiology Physician1316925522
  2. Sumayyah Ahmed, PA-CPhysician Assistant1851084206
  3. Michelle Akan, CRNACertified Registered Nurse Anesthetist1376808683
  4. Angela Alcarraz Bedrillana, MDInternal Medicine Physician1033813720
  5. Haris Aleem, MDHospitalist Physician1063409795
  6. John Alexis, M.D.Emergency Medicine Physician1689608713

Verify Megan Elizabeth Brennan 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 036169975    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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50% fewer Medicare Part D claims than the average sports medicine (family medicine) physician in 2024

425 Medicare Part D claims for 87 beneficiaries, against an average of 855 among the 2,237 providers of this specialty who prescribed in Part D.

  1. Megan Brennan425
  2. Specialty average855

Most prescribed

  1. Atorvastatin Calcium38 claims
  2. Amlodipine Besylate29 claims
  3. Levothyroxine Sodium27 claims
  4. Losartan Potassium23 claims
  5. Pravastatin Sodium21 claims
  6. Metformin Hcl Er18 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. Endeavor Health Medical GroupKildeer, IL

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

Sports Medicine (Family Medicine) Physician providers in Illinois

There are 121 sports medicine (family medicine) physician records in Illinois.

All 121 in Illinois → Every provider in Berwyn →

Other sports medicine (family medicine) physician records in Illinois

  1. Jeevan Abraham, MDGurnee, IL1285097113
  2. Eda Akyar, MDChicago, IL1255910006
  3. Christopher Amann, MDLibertyville, IL1386697753
  4. Alvin Au-Yeung, DO, MPHEvanston, IL1194344721
  5. Jonathan AubryBloomington, IL1255866448
  6. Brian Babka, MDWarrenville, IL1881688638
  7. Landan Banks, MDEvanston, IL1710568332
  8. Danielle Bass, M.D.Skokie, IL1790952752
  9. Wendell Becton, M.D.Bloomington, IL1649237504
  10. Charles Bell, MDChicago, IL1821594565

Common questions

What is Megan Elizabeth Brennan, MD's NPI number?

Megan Elizabeth Brennan, MD's National Provider Identifier (NPI) is 1407433055, issued on Mar 28, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Megan Elizabeth Brennan, MD located?

The NPPES record lists a practice address at 3249 Oak Park Ave, Berwyn, IL, 60402. Phone: (708) 783-9100. Providers update this record themselves, so call before visiting.

How can I verify Megan Elizabeth Brennan, MD's license?

NPPES lists Illinois license number 036169975, 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 Megan Elizabeth Brennan, MD prescribe under Medicare Part D?

In 2024, Megan Elizabeth Brennan, MD had 425 Medicare Part D claims for 87 beneficiaries; the average among sports medicine (family medicine) physician prescribers was 855. 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.