Guy K Slann, D.P.M.

Primary specialty

Foot & Ankle Surgery PodiatristTaxonomy code 213ES0103X

License

66 Issued in ND

Practice address

322 Main St Ste 104
Williston, ND 58801-5457

Phone

(701) 572-4094

Fax

(866) 851-5712

NPI assigned

Apr 22, 2011

Last updated

Mar 14, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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 ND

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Podiatry

Education

Barry University School of Podiatric Medicine, 2009

Medicare assignment

May accept Medicare assignment

Group practices

Elbowoods Memorial Health CenterGroup PAC ID 1052477494, 23 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• CHI St Alexius Health Williston Hospital, Williston, ND, CCN 351334

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/2758/brand/1/csg/1/fhir/r4

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.

• Elbowoods Memorial Health Center

  dba Minne Tohe Health Center

  • Clinic/Center
  • New Town, ND
  • NPI 1831365519
  Medicare reassignment Care Compare group NPD
• Accessible Podiatry, P.C.

  dba Williston Foot & Ankle Clinic

  • Foot & Ankle Surgery Podiatrist
  • Williston, ND
  • NPI 1962753749
  Medicare reassignment Authorized official
• Frances Mahon Deaconess Hospital

  • Critical Access Hospital
  • Glasgow, MT
  • NPI 1689685323
  NPD (past)
• Stephen M. Sinkoe, DPM, PA

  • Podiatrist
  • Cooper City, FL
  • NPI 1376712208

  Foot & Ankle Surgery

  NPD (past)

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

• Mercy Medical Center

  dba Chi St Alexius Health Williston

  • Critical Access Hospital
  • Williston, ND
  • NPI 1902824576
  Care Compare affiliation

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

{
    "created_epoch": "1303430400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773446400000",
    "number": "1487945630",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "322 MAIN ST STE 104",
            "city": "WILLISTON",
            "state": "ND",
            "postal_code": "588015457",
            "telephone_number": "701-572-4094",
            "fax_number": "866-851-5712"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "322 MAIN ST STE 104",
            "city": "WILLISTON",
            "state": "ND",
            "postal_code": "588015457",
            "telephone_number": "701-572-4094",
            "fax_number": "866-851-5712"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SLANN",
        "first_name": "GUY",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "D.P.M.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-04-22",
        "last_updated": "2026-03-14",
        "certification_date": "2026-03-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "213ES0103X",
            "taxonomy_group": "",
            "desc": "Podiatrist, Foot & Ankle Surgery",
            "state": "ND",
            "license": "66",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Hanna Skov, RBT
• Arthur Skrundevskiy, PHARMD
• David N. Skurdal, M.D.
• Jonie Rae Slater, MS OTRL
• William Curtis Small, MD
• Allison Layne Smelley, LMSW
• Smith Pediatric Dentistry (North Dakota Pediatric Dentistry)
• Paige D Smith-Wyatt, NCC

• Foot & Ankle Surgery Podiatrist in Williston, ND
• Providers in Williston, ND by specialty
• Foot & Ankle Surgery Podiatrist in North Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.