Individual provider Active NPI

Nathan Lewis Frogge, MD

  • Interventional Cardiology Physician
  • Saint Louis, MO
National Provider Identifier
1982017943
Registry record updated Dec 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Cardiology PhysicianTaxonomy code 207RI0011X
License
2018001300 Issued in MO
Practice address
1020 N Mason Rd
Div Im Cardiology, Ste 100
Saint Louis, MO 63141-6666
Phone
(314) 362-1291
Fax
(314) 996-3268
NPI assigned
Jun 7, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 12, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 2018001300 MO
Interventional Cardiology Physician 207RI0011X 2018001300 MO Primary
Cardiovascular Disease Physician 207RC0000X 2018001300 MO

Addresses

Primary practice location

1020 N Mason Rd
Div Im Cardiology, Ste 100
Saint Louis, MO 63141-6666

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 362-1291

Other practice location 1

915 N Grand Blvd
Saint Louis, MO 63106-1621
Phone (314) 652-4100

Other identifiers 1

IdentifierTypeStateIssuer
200076792MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, MO2 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

Enrollment IDStateProvider typePAC IDDetails
I20220811000672 IL Practitioner - Interventional Cardiology 0244455590 Reassigns benefits to 1 organization
I20241010003404 MO Practitioner - Interventional CardiologyPractitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 0244455590 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Interventional CardiologyAlso: Cardiovascular Disease (Cardiology), Internal Medicine
Education
Rush Medical College of Rush University, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

1020 N Mason Rd
Suite 210
Saint Louis, MO 63141-6300
Phone (314) 362-1291

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary angioplasty and stenting46

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Riverside Health System CurrentSince Aug 5, 2022 Accepting new patients
Heart Care Institute LLC CurrentSince Oct 1, 2024 Accepting new patients
Washington University CurrentSince Oct 1, 2024 Accepting new patients
Heart Care Institute LLC CurrentSince Oct 1, 2024 Accepting new patients
Washington University CurrentSince Oct 1, 2024 Accepting new patients
Riverside Health System CurrentSince Aug 5, 2022 Accepting new patients
Washington University Past Accepting new patients

Locations

300 Riverside Dr
Ste 2100
Bourbonnais, IL 60914
Phone (815) 928-9666

500 N Wall St
Ste 100
Kankakee, IL 60901
Phone (815) 933-2557

105 S First St
Wilmington, IL 60481
Phone (815) 476-5210

8 Millstone Campus Dr
Saint Louis, MO 63146
Phone (314) 273-4375

1020 N Mason Rd
Ste 100
Saint Louis, MO 63141
Phone (314) 996-3295

1020 N Mason Rd
Ste 210
Saint Louis, MO 63141
Phone (314) 996-3162

915 N Grand Blvd
Saint Louis, MO 63106
Phone (314) 289-6434

660 S Euclid Ave
#8086
Saint Louis, MO 63110
Phone (314) 362-1120

1 Barnes Jewish Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-1700

Interoperability endpoints

  • Direct secure messaging: nfrogge161297@direct.carenet.org

Organizations & group practices 7

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": "1402099200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765497600000",
    "number": "1982017943",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-362-1291",
            "fax_number": "314-996-3268"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1020 N MASON RD",
            "address_2": "DIV IM CARDIOLOGY, STE 100",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631416666",
            "telephone_number": "314-362-1291",
            "fax_number": "314-996-3268"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "915 N Grand Blvd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631061621",
            "country_code": "US",
            "telephone_number": "314-652-4100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FROGGE",
        "first_name": "NATHAN",
        "middle_name": "LEWIS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-06-07",
        "last_updated": "2025-12-12",
        "certification_date": "2025-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2018001300",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "MO",
            "license": "2018001300",
            "primary": true
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MO",
            "license": "2018001300",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200076792",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1020 N Mason Rd",
            "address_2": "Div IM Cardiology, Ste 100",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631416666",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.