NPPES file of Aug 9, 2026

Summers Michelle Stacks, M.D.

Hospitalist Physician · Chicago, IL

Summers Michelle Stacks, M.D. is a hospitalist physician with a practice address in Chicago, Illinois, and NPI 1710206784, issued on May 28, 2010. Check the license (Illinois 036130856, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710206784
Name
Summers Michelle Stacks
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
036130856 IL
Self-reported in NPPES; status is on the state search
Practice location
516 S Loomis St, Chicago, IL 60607
Phone
(312) 942-5000
Enumerated
May 28, 2010
Record last updated
Jul 14, 2026
Medicare enrollment
Enrolled (PECOS I20131101001117); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2009
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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8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →

Also registered at 516 S Loomis St

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

  1. Nadia ArteagaRegistered Nurse1467257394
  2. Noemi CastanedaRegistered Nurse1326921222
  3. Mira NofalPhysical Therapist1467388199
  4. Annie ParngPhysician Assistant1457201311
  5. Michael VasquezTechnician/Technologist1952234858

Verify Summers Michelle Stacks 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 036130856    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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Bills Medicare through one group practice

  1. Rml Health Providers Limited PartnershipHinsdale, IL

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

Summers Michelle Stacks among 1,535 hospitalist physician records in Illinois

Summers Michelle Stacks, M.D. is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 30% of them.

  • NPI issued2010 · 30% of these records are older, 65% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 87% of these records are
  • Graduated2009 · median 2013 among the 1,339 with a school on file
  • Record last updated2026 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Illinois

There are 1,535 hospitalist physician records in Illinois.

All 1,535 in Illinois → Every provider in Chicago → Hospitalist Physician nationwide →

The 8 hospitalist physician records with the nearest ZIP codes

  1. Chaudhary Ahmed, M.DChicago, IL 606081144637380
  2. Suhair Aldewairey, M.D.Chicago, IL 606081932428281
  3. Bobby Diniotis, M.D.Chicago, IL 606081215348149
  4. Sandal Ishaque, MDChicago, IL 606081659722262
  5. Aysha Khan, M.D.Chicago, IL 606081346774536
  6. Toritseju Okorodudu, MDChicago, IL 606081366095572
  7. Jahanzeb Qureshi, MDChicago, IL 606081881121929
  8. Rahul Rauniyar, M.D.Chicago, IL 606081558926907

Common questions

What is Summers Michelle Stacks, M.D.'s NPI number?

Summers Michelle Stacks, M.D.'s National Provider Identifier (NPI) is 1710206784, issued on May 28, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Summers Michelle Stacks, M.D. located?

The NPPES record lists a practice address at 516 S Loomis St, Chicago, IL, 60607. Phone: (312) 942-5000. Providers update this record themselves, so call before visiting.

How can I verify Summers Michelle Stacks, M.D.'s license?

NPPES lists Illinois license number 036130856, 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. 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.