NPIMap

Individual provider Active NPI

Charles E Flohr, MD

  • Diagnostic Radiology Physician
  • Sioux Falls, SD
National Provider Identifier
1306808738
Registry record updated Sep 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
2551 Issued in SD
Practice address
1210 W 18TH St
Ste LL03
Sioux Falls, SD 57104-4647
Phone
(605) 328-1410
Fax
(605) 328-1412
NPI assigned
Apr 3, 2006
Last updated
Sep 28, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 2551 SD Primary

Addresses

Primary practice location

1210 W 18TH St
Ste LL03
Sioux Falls, SD 57104-4647

Mailing address

PO Box 5074
Sioux Falls, SD 57117-5074
Phone (605) 328-6585

Other identifiers 1

IdentifierTypeStateIssuer
7201054MedicaidSD

Electronic endpoints 2

TypeEndpointUseAffiliation
CONNECT URL https://cobiusconnect.cobius.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Cobius Healthcare Solutions
Direct Messaging Address cflohr4471@direct.sanfordhealth.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN, SD, IA3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20040203001053 MN Practitioner - Diagnostic Radiology 7719880285 Reassigns benefits to 1 organization
I20101020001042 SD Practitioner - Diagnostic Radiology 7719880285 Reassigns benefits to 2 organizations
I20140630002077 IA Practitioner - Diagnostic Radiology 7719880285 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
University of Nebraska College of Medicine, 1977
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sanford ClinicGroup PAC ID 0244143824, 268 clinicians

Practice addresses (Care Compare)

1210 W 18TH St
Suite LL03
Sioux Falls, SD 57104-4654
Phone (605) 328-1410

1301 W 18TH St
Sioux Falls, SD 57105-0401
Phone (605) 312-2100

1305 W 18TH St
Sioux Falls, SD 57105-0401
Phone (605) 328-8700

525 N Foster St
Mitchell, SD 57301-2966
Phone (605) 995-5635

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.32 of 100Reported as group
Quality
75.87
Promoting interoperability
100
Improvement activities
40
Cost
68.53

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
21675IAMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Sanford Medical Center CurrentSince Nov 18, 2019 Accepting new patients
Sanford Clinic CurrentSince Mar 6, 2012 Accepting new patients
Sanford Clinic Current Accepting new patients
Sanford Clinic Current Accepting new patients
Sanford Clinic CurrentSince Dec 12, 2012 Accepting new patients
Sanford Clinic Diagnostic Radiology CurrentSince Mar 6, 2012 Accepting new patients
Sanford Clinic Current Accepting new patients
Sanford Clinic Diagnostic Radiology CurrentSince May 17, 2014 Accepting new patients

Locations

1000 Lincoln Cir SE
Orange City, IA 51041
Phone (712) 737-2000

107 1st St E
Canby, MN 56220
Phone (507) 223-5818

305 E Luverne St
Luverne, MN 56156
Phone (507) 283-2321

400 22nd Ave
Brookings, SD 57006
Phone (605) 692-6236

525 N Foster St
Mitchell, SD 57301
Phone (605) 995-2000

1210 W 18th St
Ste L103
Sioux Falls, SD 57104

1210 W 18th St
Ste LL03
Sioux Falls, SD 57104
Phone (605) 328-1410

1500 W 22nd St
Ste 102
Sioux Falls, SD 57105
Phone (605) 328-8800

4405 E 26th St
Sioux Falls, SD 57103
Phone (605) 328-9000

5019 S Western Ave
Ste 200
Sioux Falls, SD 57108
Phone (605) 328-9700

Organizations & group practices 8

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.

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": "1144022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790553600000",
    "number": "1306808738",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5074",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571175074",
            "telephone_number": "605-328-6585",
            "fax_number": "605-328-6512"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1210 W 18TH ST",
            "address_2": "STE LL03",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571044647",
            "telephone_number": "605-328-1410",
            "fax_number": "605-328-1412"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLOHR",
        "first_name": "CHARLES",
        "middle_name": "E",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-03",
        "last_updated": "2026-09-28",
        "certification_date": "2026-09-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "SD",
            "license": "2551",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7201054",
            "state": "SD"
        }
    ],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://cobiusconnect.cobius.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.1068.1",
            "affiliationName": "Cobius Healthcare Solutions",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "2720 Dundee Rd # 302",
            "city": "Northbrook",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600622609",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cflohr4471@direct.sanfordhealth.org",
            "affiliation": "N",
            "address_1": "1210 W 18th St",
            "address_2": "Ste LL03",
            "city": "Sioux Falls",
            "state": "SD",
            "country_code": "US",
            "postal_code": "571044647",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Sioux Falls, SD

Sources for this page

Verify at the official NPI Registry.