NPIMap

Individual provider Active NPI

Regan Leigh Hammell, CNP

  • Otolaryngology Physician
  • Sioux Falls, SD
National Provider Identifier
1629858469
Registry record updated Jun 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
License
CP002976 Issued in SD
Practice address
1417 S Cliff Ave
Sioux Falls, SD 57105-1022
Phone
(605) 504-3000
Fax
(605) 504-3001
NPI assigned
Sep 29, 2023
Last updated
Jun 23, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X CP002976 SD Primary

Addresses

Primary practice location

1417 S Cliff Ave
Sioux Falls, SD 57105-1022

Mailing address

1417 S Cliff Ave
Sioux Falls, SD 57105-1022
Phone (605) 504-3000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SD
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
I20231130002887 SD Practitioner - Nurse Practitioner 5890143838 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Avera McKennanGroup PAC ID 0345157103, 957 clinicians

Practice addresses (Care Compare)

1325 S Cliff Ave
Sioux Falls, SD 57105-1007

1417 S Cliff Ave
Suite 300
Sioux Falls, SD 57105-1062
Phone (605) 504-3000

901 E Virgil Ave
Milbank, SD 57252-2124
Phone (605) 432-4538

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Nurse Practitioner, Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
CP002976SDMDOtolaryngology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Avera McKennan CurrentSince Oct 15, 2023 Accepting new patients
Avera McKennan CurrentSince Oct 15, 2023 Accepting new patients
Avera McKennan Current Accepting new patients
Avera McKennan Past Accepting new patients

Locations

1417 S Cliff Ave
Ste 300
Sioux Falls, SD 57105
Phone (605) 322-8630

Organizations & group practices 4

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.

  • Avera McKennan

    dba Avera McKennan Behavioral Health Clinic

    • Mental Health Clinic/Center (Including Community Mental Health Center)
    • Sioux Falls, SD
    • NPI 1699009944
    Medicare reassignment Care Compare group NPD
  • Avera McKennan

    dba Avera Interventional Radiology

    • Diagnostic Radiology Physician
    • Sioux Falls, SD
    • NPI 1053680678
    NPD
  • Avera McKennan

    dba Avera Medical Group Comprehensive Weight Management

    • Obesity Medicine (Family Medicine) Physician
    • Sioux Falls, SD
    • NPI 1457096133
    NPD
  • Avera McKennan

    dba Avera Medical Group 69th and Cliff

    • Family Medicine Physician
    • Sioux Falls, SD
    • NPI 1144635863
    NPD (past)

Hospital & facility affiliations 23

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

View all 23

NPI Registry JSON

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

{
    "created_epoch": "1695945600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750636800000",
    "number": "1629858469",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1417 S CLIFF AVE",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571051022",
            "telephone_number": "605-504-3000",
            "fax_number": "605-504-3001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1417 S CLIFF AVE",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571051022",
            "telephone_number": "605-504-3000",
            "fax_number": "605-504-3001"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAMMELL",
        "first_name": "REGAN",
        "middle_name": "LEIGH",
        "credential": "CNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-09-29",
        "last_updated": "2025-06-23",
        "certification_date": "2025-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "SD",
            "license": "CP002976",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sioux Falls, SD

Sources for this page

Verify at the official NPI Registry.