Summers Michelle Stacks, M.D.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

036130856 Issued in IL

Practice address

516 S Loomis St
Chicago, IL 60607-2812

Phone

(312) 942-5000

NPI assigned

May 28, 2010

Last updated

Jul 14, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

HospitalistAlso: Internal Medicine

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

RML Health Providers Limited PartnershipGroup PAC ID 2961459565, 11 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• RML Health Providers Limited Partnership Long-term care hospital, Hinsdale, IL, CCN 142010

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• RML Health Providers Limited Partnership

  dba RML Specialty Hospital

  • Long Term Care Hospital
  • Hinsdale, IL
  • NPI 1952304826
  Medicare reassignment Care Compare group NPD
• Loyola University Medical Center

  dba Mulcahy Pharmacy

  • Community/Retail Pharmacy
  • Maywood, IL
  • NPI 1184789299
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• RML Health Providers Limited Partnership

  dba RML Specialty Hospital

  • Long Term Care Hospital
  • Hinsdale, IL
  • NPI 1952304826

  Long-term care hospital

  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1275004800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1710206784",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3249 OAK PARK AVE",
            "city": "BERWYN",
            "state": "IL",
            "postal_code": "604023429",
            "telephone_number": "847-723-6200",
            "fax_number": "847-696-3391"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "516 S LOOMIS ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606072812",
            "telephone_number": "312-942-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1775 Dempster St",
            "address_purpose": "LOCATION",
            "city": "Park Ridge",
            "state": "IL",
            "postal_code": "600681143",
            "country_code": "US",
            "telephone_number": "847-723-6200",
            "fax_number": "847-696-3391",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STACKS",
        "first_name": "SUMMERS",
        "middle_name": "MICHELLE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-05-28",
        "last_updated": "2026-07-14",
        "certification_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036130856",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036130856",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Taylor True Stack
• Richelle Stackert, PHD
• Nathan Joseph Stackhouse, M.D.
• Jessica Joan Stacko, DMD
• Dawn Marie Stackowicz, PT, MS, CCS
• Stacy Papangelis, Ma, PLLC
• Alexa Stacy
• Andrea Michelle Stacy, OTR/L
• Denise Marie Stacy, CADC
• Gregory Stacy

• Hospitalist Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Hospitalist Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.