Matthew J Feinstein, M.D.

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

01098614A Issued in IN

Practice address

251 E Huron St
Galter 3-150
Chicago, IL 60611-2908

Phone

(312) 926-2253

Fax

(312) 926-6905

NPI assigned

Jun 22, 2011

Last updated

Dec 12, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IL, IN2 enrollments

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 2

Specialty

Cardiovascular Disease (Cardiology)

Education

Northwestern University Feinberg Medical School, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281
• Indiana University Health Hospital, Indianapolis, IN, CCN 150056

Merit-based Incentive Payment System (MIPS)

Final score

95.19 of 100Reported as apm

Quality

83.05

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mfeinstein@direct.iuhealth.org

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.

• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment Care Compare group NPD
• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health

  • Nurse Practitioner
  • Indianapolis, IN
  • NPI 1104027879
  Medicare reassignment
• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health

  • Nurse Practitioner
  • Indianapolis, IN
  • NPI 1003543075
  NPD
• The Health and Hospital Corporation of Marion County

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Indianapolis, IN
  • NPI 1871311779
  NPD
• McGaw Medical Center of Northwestern University

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1861787939
  NPD (past)

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

• Northwestern Memorial Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1497859649
  Care Compare affiliation
• Indiana University Health Inc

  dba Indiana University Health

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1144266024
  Care Compare affiliation

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

{
    "created_epoch": "1308700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765497600000",
    "number": "1073809760",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "251 E HURON ST",
            "address_2": "GALTER 3-150",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112908",
            "telephone_number": "312-926-2253",
            "fax_number": "312-926-6905"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "251 E HURON ST",
            "address_2": "GALTER 3-150",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112908",
            "telephone_number": "312-926-2253",
            "fax_number": "312-926-6905"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1801 N Senate Blvd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462021228",
            "country_code": "US",
            "telephone_number": "317-962-0527",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FEINSTEIN",
        "first_name": "MATTHEW",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-06-22",
        "last_updated": "2025-12-12",
        "certification_date": "2025-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "IN",
            "license": "01098614A",
            "primary": true
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "IL",
            "license": "036134856",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "MFEINSTEIN@DIRECT.IUHEALTH.ORG",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1801 N Senate Blvd",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462021228",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Rebekka Ayelet Feingold, PA-C
• William Charles Feingold, DDS
• Leonard Feinkind, M.D.
• Kate Feinstein
• Lowell Feinstein, DO
• Michael Feinstein, PSYD
• Rebecca Tema Feinstein, PHD, LCSW
• Steven Feinstein, M.D.
• Ellyn T Feinzimer, M.D.
• Michael Gene Feinzimer, MD

• Cardiovascular Disease Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Cardiovascular Disease Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 12, 2025; 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.