Individual provider Active NPI

Matthew William Stier, M.D.

  • Internal Medicine Physician
  • Chicago, IL
National Provider Identifier
1902244791
Registry record updated Aug 1, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
125062675 Issued in IL
Practice address
5841 S Maryland Ave
M/C 7082
Chicago, IL 60637-1447
Phone
(773) 702-6840
NPI assigned
Jun 13, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 1, 2019

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 125062675 IL Primary

Addresses

Primary practice location

5841 S Maryland Ave
M/C 7082
Chicago, IL 60637-1447

Mailing address

401 Roxbury Rd
Rockford, IL 61107-5075
Phone (815) 397-7340

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20190814003074 IL Practitioner - Internal Medicine 1850524760 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Osf Multi-Specialty GroupGroup PAC ID 3678889789, 2,123 clinicians

Practice addresses (Care Compare)

401 Roxbury Rd
Rockford, IL 61107-5075
Phone (815) 397-7340

5666 E State St
Rockford, IL 61108-2425
Phone (815) 921-8929

8600 State Route 91
Suite 130
Peoria, IL 61615-7829
Phone (309) 683-5050

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
73.6 of 100Reported as group
Quality
66.79
Promoting interoperability
63
Improvement activities
40
Cost
76.04

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy116
Upper gastrointestinal (GI) endoscopy for acid reflux138

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
125062675ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Osf Multi-Specialty Group Internal Medicine CurrentSince May 1, 2025 Accepting new patients
Rockford Gastroenterology Associates, LTD. CurrentSince Jul 22, 2019 Accepting new patients
Central PA Pharmacy LLC. Current Accepting new patients
Rockford Gastroenterology Associates, LTD. Current Accepting new patients

Locations

8600 State Route 91
Ste 130
Peoria, IL 61615
Phone (309) 683-5050

1420 W Pioneer Pkwy
Peoria, IL 61615
Phone (309) 308-5195

401 Roxbury Rd
Rockford, IL 61107
Phone (815) 397-7340

Interoperability endpoints

  • Direct secure messaging: matthew.stiermd.p1@direct.rga.nextgenshare.com

Organizations & group practices 4

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

Hospital & facility affiliations 5

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

NPI Registry JSON

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

{
    "created_epoch": "1371081600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1564617600000",
    "number": "1902244791",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 ROXBURY RD",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611075075",
            "telephone_number": "815-397-7340",
            "fax_number": "815-397-7388"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE",
            "address_2": "M/C 7082",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371447",
            "telephone_number": "773-702-6840"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STIER",
        "first_name": "MATTHEW",
        "middle_name": "WILLIAM",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-13",
        "last_updated": "2019-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125062675",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.