Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SUMMERS MICHELLE STACKS M.D.
NPI 1710206784
Hospitalist in Chicago, IL

Q: What is Summers Stacks's NPI number?

The NPI number for Summers Stacks is 1710206784. It was assigned to this individual provider in the NPPES registry on May 28, 2010.

Q: What is Summers Stacks's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Summers Stacks was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 28, 2010PECOS EnrolledAccepts Medicare Assignment

516 S LOOMIS ST, CHICAGO, IL 60607(312) 942-5000 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 14, 2026, Jul 18, 2018 (2 updates tracked since 2018).

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About Summers Michelle Stacks M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SUMMERS MICHELLE STACKS M.D. (NPI 1710206784) is an individual hospitalist provider in Chicago, Illinois, licensed in Illinois (036130856) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS, is affiliated with Adventist Hinsdale Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2009).

NPPES Registry Identity

NPI1710206784

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameSUMMERS MICHELLE STACKSCredential: M.D.

Location Address516 S LOOMIS STChicago, IL 60607-2812

Mailing Address3249 Oak Park AveBerwyn, IL 60402-3429 · (847) 723-6200 · Fax (847) 696-3391

Phone(312) 942-5000

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2009

Enumeration DateMay 28, 2010

Last NPPES UpdateJuly 14, 20262 updates tracked since enumeration

NPPES CertifiedJuly 14, 2026

✔ NPI 1710206784 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in IL · 036130856

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License 036130856 (IL)

516 S LOOMIS ST, Chicago, IL 60607

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Summers Michelle Stacks M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42445801

PECOS Enrollment IDI20131101001117

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

135 services23 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

38 services31 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

31 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Adventist Hinsdale Hospital

Acute Care Hospitals · Hinsdale, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140122

Location120 North Oak StHinsdale, IL 60521 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60607 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NOEMI CASTANEDA

Registered Nurse