NPPES file of Aug 9, 2026

Brigid Colleen Shields, D.O.

Emergency Medicine Physician · Chicago, IL

Brigid Colleen Shields, D.O. is an emergency medicine physician with a practice address in Chicago, Illinois, and NPI 1912369232, issued on Mar 25, 2016. Check the license (Illinois 336.110656, 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
1912369232
Name
Brigid Colleen Shields
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
336.110656 IL
34.016892 OH
Self-reported in NPPES; status is on the state search
Practice location
2525 S Michigan Ave, Chicago, IL 60616
Phone
(312) 567-7924
Enumerated
Mar 25, 2016
Record last updated
Jan 25, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2525 S Michigan Ave

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

  1. Abu Abbasi, MDInternal Medicine Physician1083243877
  2. Lamies Abuakar, PHARMD.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1659655181
  3. Muna Abdu Adem, MDInternal Medicine Physician1457238107
  4. Masooma AfridiStudent in an Organized Health Care Education/Training Program1346035581
  5. Suneil Agrawal, MDEmergency Medicine Physician1891948568
  6. Ismeal AhmedStudent in an Organized Health Care Education/Training Program1265373765

Verify Brigid Colleen Shields 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 336.110656
    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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73% fewer Medicare Part D claims than the average emergency medicine physician in 2024

61 Medicare Part D claims for 42 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Brigid Shields61
  2. Specialty average226

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.

Brigid Colleen Shields among 3,291 emergency medicine physician records in Illinois

Brigid Colleen Shields, D.O. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 65% of them.

  • NPI issued2016 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2024 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,310 emergency medicine physician records list a practice address in Chicago

They are 1,310 of the 63,379 NPPES records with a practice address in Chicago, and 3,291 emergency medicine physician records in Illinois.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Debra Baines, M.D.Chicago, IL 606161295832079
  2. Tracy Boykin-Wilson, M.D.Chicago, IL 606161407888712
  3. Karen Daugherty, M.D.Chicago, IL 606161285650143
  4. Wesley Eilbert, M.D., FACEPChicago, IL 606161316962798
  5. Carl Ferraro, M.D., FACEPChicago, IL 606161407873979
  6. Robert Gore, M.D.Chicago, IL 606161437113388
  7. Jung Hwang, M.D.Chicago, IL 606161235156779
  8. Sudhir Kelkar, M.D.Chicago, IL 606161811912231

Common questions

What is Brigid Colleen Shields, D.O.'s NPI number?

Brigid Colleen Shields, D.O.'s National Provider Identifier (NPI) is 1912369232, issued on Mar 25, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Brigid Colleen Shields, D.O. located?

The NPPES record lists a practice address at 2525 S Michigan Ave, Chicago, IL, 60616. Phone: (312) 567-7924. Providers update this record themselves, so call before visiting.

How can I verify Brigid Colleen Shields, D.O.'s license?

NPPES lists Illinois license number 336.110656, 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 Brigid Colleen Shields, D.O. prescribe under Medicare Part D?

In 2024, Brigid Colleen Shields, D.O. had 61 Medicare Part D claims for 42 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.