Keith Charles Knapp Jr., M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

036-062820 Issued in IL

Practice address

3303 S Halsted St
Suite 100
Chicago, IL 60608-6705

Phone

(773) 890-0800

Fax

(773) 890-5430

NPI assigned

Nov 4, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Electronic endpoints 2

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

Family Practice

Education

Loyola University of Chicago, Stritch School of Medicine, 1980

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Advocate Home Health Care Serv Home health agency, Oakbrook, IL, CCN 147150
• Advocate Christ Hospital & Medical Center Hospital, Oak Lawn, IL, CCN 140208
• Advocate Illinois Masonic Medical Center Hospital, Chicago, IL, CCN 140182

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kknapp283769@direct.myadvocateaurora.org

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.

• Advocate Health and Hospitals Corporation

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment Care Compare group NPD
• Advocate Health & Hospitals Corporation

  • Medical Specialty Clinic/Center
  • Oak Lawn, IL
  • NPI 1912936014
  NPD
• Advocate Health and Hospitals Corporation

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  NPD
• Gibson Community Hospital Association

  • Critical Access Hospital
  • Gibson City, IL
  • NPI 1114935681
  NPD (past)

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

• Advocate Health and Hospitals Corporation

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  • General Acute Care Hospital
  • Oak Lawn, IL
  • NPI 1548375082
  Care Compare affiliation
• Advocate North Side Health Network

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1912014564
  Care Compare affiliation
• Ehs Home Health Care Service Inc

  • Home Health Agency
  • Oak Brook, IL
  • NPI 1598732075
  Care Compare affiliation

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

{
    "created_epoch": "1131062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759363200000",
    "number": "1104817329",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731293",
            "telephone_number": "847-390-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3303 S HALSTED ST",
            "address_2": "SUITE 100",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606086705",
            "telephone_number": "773-890-0800",
            "fax_number": "773-890-5430"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNAPP",
        "first_name": "KEITH",
        "middle_name": "CHARLES",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-04",
        "last_updated": "2025-10-02",
        "certification_date": "2025-10-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "036-062820",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "036-062820",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kknapp283769@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "3303 S Halsted St",
            "address_2": "Suite 100",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606086705",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "3303 S Halsted St",
            "address_2": "Suite 100",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606086705",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Knapp Medical Center, LTD.
• Andrew M Knapp, MD
• Celia Knapp, MSW
• Jessica Margaret Knapp, MS, CCC-SLP
• John Knapp, RPH
• Maura Knapp
• Ryan Joseph Knapp, PHARMD
• Jackson T Knappen, MD
• Mark Knaub, PHARMD
• Lauren Knazze, MD

• Family Medicine Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Family Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 2, 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.