NPPES file of Aug 9, 2026

Sean O'Malley

Surgery Physician · Springfield, IL

Sean O'Malley is a surgery physician with a practice address in Springfield, Illinois, and NPI 1184284440, issued on Jun 19, 2019. Check the license (Illinois 036169485, 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
1184284440
Name
Sean O'Malley
Primary taxonomy
Surgery Physician 208600000X
License number
036169485 IL
Self-reported in NPPES; status is on the state search
Practice location
900 N 1St St, Springfield, IL 62702
Phone
(217) 528-7541
Enumerated
Jun 19, 2019
Record last updated
Nov 7, 2024
Medicare enrollment
Enrolled (PECOS I20240611000111); accepts Medicare assignment
Medical or professional school
Southern Illinois University School Of Medicine, 2019
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 900 N 1St St

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

  1. Demi AlbrachtNurse Practitioner1598682296
  2. Neha Amin, M.D.Gynecology Physician1619974532
  3. Rachael Ashcraft, MDSurgery Physician1912152125
  4. Mary Atwood, R.N., ACNPAcute Care Nurse Practitioner1811945314
  5. Heather Beal, M.D.Obstetrics & Gynecology Physician1912940545
  6. Aaron Brewer, M.D.Surgery Physician1679794523

Verify Sean O'Malley 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 036169485
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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84% fewer Medicare Part D claims than the average surgery physician in 2024

24 Medicare Part D claims for 19 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 12 claims were for opioids.

  1. Sean O'Malley24
  2. Specialty average147

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. Springfield Clinic, LLPJacksonville, IL

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

54 surgery physician records list a practice address in Springfield

They are 54 of the 4,997 NPPES records with a practice address in Springfield, and 1,520 surgery physician records in Illinois.

Other surgery physician records in Illinois

  1. Douglas Aach, MDShiloh, IL1508817040
  2. Andrew Abadier, DOChicago, IL1124657473
  3. Shabirhusain Abadin, M.D.Chicago, IL1467712596
  4. Iftikharul Abbasy, MDOak Brook, IL1104814755
  5. Mahmoud Abd-El-Hafez, MDSpringfield, IL1710516943
  6. Samir Abdo, M.D.Eldorado, IL1578612982
  7. Chandrakumaran Abivarma, M.D.Park Ridge, IL1467135137
  8. Gerard Abood, M.DMaywood, IL1629237227
  9. Mohammad Abou El-Ezz, MDChicago, IL1790536746
  10. Gifty Abraham, M.D.Maywood, IL1881039279

Common questions

What is Sean O'Malley's NPI number?

Sean O'Malley's National Provider Identifier (NPI) is 1184284440, issued on Jun 19, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Sean O'Malley located?

The NPPES record lists a practice address at 900 N 1St St, Springfield, IL, 62702. Phone: (217) 528-7541. Providers update this record themselves, so call before visiting.

How can I verify Sean O'Malley's license?

NPPES lists Illinois license number 036169485, 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 Sean O'Malley prescribe under Medicare Part D?

In 2024, Sean O'Malley had 24 Medicare Part D claims for 19 beneficiaries; the average among surgery physician prescribers was 147. 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.