Colby David Mahar

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

CR001216 Issued in SD

Practice address

3015 3Rd Ave SE
Aberdeen, SD 57401-5418

Phone

(605) 226-5500

NPI assigned

Mar 12, 2025

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in SD

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sanford Health NetworkGroup PAC ID 6800707100, 357 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sanford Medical Center Aberdeen Hospital, Aberdeen, SD, CCN 430097

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• Sanford Health Network

  • Critical Access Hospital
  • Vermillion, SD
  • NPI 1790721280

  SD

  Medicare reassignment
• Sanford Health Network

  • Family Medicine Physician
  • Vermillion, SD
  • NPI 1013921733
  NPD
• Sanford Health Network

  • Pediatrics Physician
  • Aberdeen, SD
  • NPI 1760676886
  NPD
• Sanford Health Network

  • Rural Health Clinic/Center
  • Mountain Lake, MN
  • NPI 1568469039
  NPD

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

• Sanford Health Network

  • General Acute Care Hospital
  • Aberdeen, SD
  • NPI 1235406455

  Hospital

  Care Compare affiliation
• Sanford Health Network

  • General Acute Care Hospital
  • Aberdeen, SD
  • NPI 1639423957

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1741737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752019200000",
    "number": "1164221925",
    "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"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3015 3RD AVE SE",
            "city": "ABERDEEN",
            "state": "SD",
            "postal_code": "574015418",
            "telephone_number": "605-226-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2905 3rd Ave SE",
            "address_purpose": "LOCATION",
            "city": "Aberdeen",
            "state": "SD",
            "postal_code": "574015420",
            "country_code": "US",
            "telephone_number": "605-626-4200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAHAR",
        "first_name": "COLBY",
        "middle_name": "DAVID",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-03-12",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "SD",
            "license": "CR001216",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• James Brian Macdougall, MD
• Angela Marie Mackner, FNP-C
• Makayla Madsen, RBT
• Randy Mages, DC
• Nida Maham
• Taylor Maier, DDS
• Cassandra M Maillet
• Eloy P Malsom
• Katherine Kay Malsom, BCABA
• Manor Care of Aberdeen SD LLC

• All providers in Aberdeen, SD
• Certified Registered Nurse Anesthetist in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.