Individual provider Active NPI

Duane Haenfler, CRNA

  • Certified Registered Nurse Anesthetist
  • Rapid City, SD
National Provider Identifier
1154414696
Registry record updated Sep 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
R017871 Issued in SD
Practice address
353 Fairmont Blvd
Rapid City, SD 57701-7375
Phone
(605) 719-8289
Fax
(605) 719-7680
NPI assigned
Oct 2, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X R017871 SD Primary

Addresses

Primary practice location

353 Fairmont Blvd
Rapid City, SD 57701-7375

Mailing address

PO Box 3450
Rapid City, SD 57709-3450
Phone (605) 719-8289

Other identifiers 4

IdentifierTypeStateIssuer
0007771OtherSDWELLMARK
5750087MedicaidSD
5750088MedicaidSD
0007982OtherSDWELLMARK

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
0123SDMDPhysician Assistant
R017871SDMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
West River Anesthesiology Consultants PC Past Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1159747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789257600000",
    "number": "1154414696",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3450",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577093450",
            "telephone_number": "605-719-8289",
            "fax_number": "605-719-7680"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "353 FAIRMONT BLVD",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "577017375",
            "telephone_number": "605-719-8289",
            "fax_number": "605-719-7680"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAENFLER",
        "first_name": "DUANE",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-02",
        "last_updated": "2026-09-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "SD",
            "license": "R017871",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK",
            "identifier": "0007771",
            "state": "SD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "5750087",
            "state": "SD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "5750088",
            "state": "SD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK",
            "identifier": "0007982",
            "state": "SD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Rapid City, SD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.