NPIMap

Individual provider Active NPI

Rebecca Marie Wiesehan Hundelt, MD

  • Internal Medicine Physician
  • Saint Louis, MO
National Provider Identifier
1639739733
Registry record updated Mar 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
2021014145 Issued in MO
Practice address
3005 N Ballas Rd Ste 400
Saint Louis, MO 63131-2317
Phone
(314) 996-7800
Fax
(314) 996-7506
NPI assigned
Jun 19, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 10, 2026

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 2021014145 MO Primary

Addresses

Primary practice location

3005 N Ballas Rd Ste 400
Saint Louis, MO 63131-2317

Mailing address

PO Box 959354
Saint Louis, MO 63195-9354
Phone (314) 996-7520

Other practice location 1

1 Barnes Jewish Hospital Plz
Saint Louis, MO 63110-1003
Phone (324) 362-5000

Other names 1

  • Becca Marie Wiesehan Former name

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2 Health Information Exchange (HIE)
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220826000544 MO Practitioner - Internal Medicine 4183955057 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Missouri, Columbia School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Physical Therapy Spine and Sports Medicine LLCGroup PAC ID 3173654936, 123 clinicians
Physician Groups LCGroup PAC ID 3072421254, 526 clinicians

Practice addresses (Care Compare)

15425 Manchester Rd
Suite 28
Ballwin, MO 63011-3077
Phone (636) 220-6969

3009 N Ballas Rd
Suite 227a
Saint Louis, MO 63131-2308
Phone (314) 996-7800

Hospital & facility affiliations

  • BJC Home Care Services Home health agency, Saint Louis, MO, CCN 267276
  • Elara Caring Home health agency, Bridgeton, MO, CCN 267595
  • Missouri Baptist Medical Center Hospital, Saint Louis, MO, CCN 260108
  • Barnes-Jewish West County Hospital Hospital, Creve Coeur, MO, CCN 260162
  • Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032
  • St Lukes Hospital Hospital, Chesterfield, MO, CCN 260179
  • Mercy Hospital St Louis Hospital, Saint Louis, MO, CCN 260020
  • SSM Health Rehabilitation Hospital Inpatient rehabilitation facility, Richmond Heights, MO, CCN 263031

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2021014145MOMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Physician Groups LC Internal Medicine CurrentSince Sep 1, 2022 Accepting new patients
Physician Groups LC CurrentSince Sep 1, 2022 Accepting new patients

Locations

2630 Highway K
O Fallon, MO 63368
Phone (636) 240-5454

3009 N Ballas Rd
Ste 227A
Saint Louis, MO 63131
Phone (314) 567-5000

3005 N Ballas Rd
Ste 400
Saint Louis, MO 63131
Phone (314) 996-7520

Organizations & group practices 3

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 9

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": "1560902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773100800000",
    "number": "1639739733",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 959354",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631959354",
            "telephone_number": "314-996-7520",
            "fax_number": "314-996-7506"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3005 N BALLAS RD STE 400",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631312317",
            "telephone_number": "314-996-7800",
            "fax_number": "314-996-7506"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Barnes Jewish Hospital Plz",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631101003",
            "country_code": "US",
            "telephone_number": "324-362-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HUNDELT",
        "first_name": "REBECCA",
        "middle_name": "MARIE WIESEHAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-06-19",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2021014145",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "3005 N Ballas Rd Ste 400",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631312317",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "3009 N Ballas Rd Ste 227A",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631312308",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "BECCA",
            "last_name": "WIESEHAN",
            "middle_name": "MARIE",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.