NPPES file of Aug 9, 2026

Lois Clarke, M.D.

Emergency Medicine Physician · Chicago, IL

Lois Clarke, M.D. is an emergency medicine physician with a practice address in Chicago, Illinois, and NPI 1912924465, issued on Jul 17, 2006. Check the license (Illinois 036-087367, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1912924465
Name
Lois Clarke
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
036-087367 IL
Self-reported in NPPES; status is on the state search
Practice location
645 S Central Ave, Chicago, IL 60644
Phone
(773) 626-4300
Enumerated
Jul 17, 2006
Record last updated
Oct 7, 2010 (not updated in 16 years: call before relying on the address or phone)
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 645 S Central Ave

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

  1. M Bhagavan, M.D.Internal Medicine Physician1174512917
  2. Sean Bryant, M.D.Medical Toxicology (Emergency Medicine) Physician1548355399
  3. Charles Collins, M.D.Emergency Medicine Physician1902914732
  4. Holly Cromwell, MDEmergency Medicine Physician1548297658
  5. Tiffany Dean, DNPPsychiatric/Mental Health Nurse Practitioner1699273011
  6. Ahmad ElzokakyPsychiatry Physician1073181962

Verify Lois Clarke 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 036-087367
    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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Lois Clarke among 3,291 emergency medicine physician records in Illinois

Lois Clarke, M.D. 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 not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 68% newer
  • In a Medicare fileNo · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2010 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Charles Collins, M.D.Chicago, IL 606441902914732
  2. Holly Cromwell, MDChicago, IL 606441548297658
  3. Michele Everett, M.D.Chicago, IL 606441730298589
  4. Moses Lee, M.D.Chicago, IL 606441578662185
  5. Amandeep Randhawa, M.D.Chicago, IL 606441568740033
  6. Serge Golber, M.D.Chicago, IL 606451861464992
  7. Amy Klichowski, M.D.Chicago, IL 606461649640459
  8. Alan Sisson, M.D.Chicago, IL 606421376793737

Common questions

What is Lois Clarke, M.D.'s NPI number?

Lois Clarke, M.D.'s National Provider Identifier (NPI) is 1912924465, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lois Clarke, M.D. located?

The NPPES record lists a practice address at 645 S Central Ave, Chicago, IL, 60644. Phone: (773) 626-4300. Providers update this record themselves, so call before visiting.

How can I verify Lois Clarke, M.D.'s license?

NPPES lists Illinois license number 036-087367, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.