NPIMap

Individual provider Active NPI

William Gibson Simpson, M.D.

  • Gastroenterology Physician
  • Kalispell, MT
National Provider Identifier
1487655346
Registry record updated Nov 27, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
79718 Issued in MT
Practice address
320 Sunnyview LN
Kalispell, MT 59901-3129
Phone
(406) 752-7441
NPI assigned
Aug 2, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 27, 2023

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 30937 OK
Gastroenterology Physician 207RG0100X J5017 TX
Gastroenterology Physician 207RG0100X 79718 MT Primary

Addresses

Primary practice location

320 Sunnyview LN
Kalispell, MT 59901-3129

Mailing address

320 Sunnyview LN
Kalispell, MT 59901-3129
Phone (406) 752-7441

Other identifiers 1

IdentifierTypeStateIssuer
105169003MedicaidTX

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address krmcmedicalrecords@krhdirect.org HealthCenter Northwest, L.L.C.

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OK, MT2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20150122000888 OK Practitioner - Gastroenterology 9234129313 Reassigns benefits to 1 organization
I20200406001127 MT Practitioner - Gastroenterology 9234129313

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
University of Kentucky College of Medicine, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northeastern Health SystemGroup PAC ID 1456255025, 105 clinicians

Practice addresses (Care Compare)

1400 E Downing St
Tahlequah, OK 74464-3324
Phone (918) 456-0641

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy143
Upper gastrointestinal (GI) endoscopy for acid reflux237

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
79718MTMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Healthcenter Northwest LLC CurrentSince Apr 1, 2020 Accepting new patients
Northeastern Health System Current Accepting new patients
Northeastern Health System CurrentSince Nov 6, 2024 Accepting new patients
Christus Good Shepherd Medical Center PastSince Sep 17, 2010 Accepting new patients
Northeastern Health System Past Accepting new patients

Locations

320 Sunnyview Ln
Kalispell, MT 59901
Phone (406) 752-7441

205 Harris Cir
Ste 201B
Tahlequah, OK 74464
Phone (918) 456-0641

1400 E Downing St
Tahlequah, OK 74464
Phone (918) 456-0641

1373 E Boone St
Ste 2300
Tahlequah, OK 74464
Phone (918) 207-0025

Interoperability endpoints

  • Direct secure messaging: krmcmedicalrecords@krhdirect.org
  • FHIR API: https://fhir-myrecord.cerner.com/r4/932b43fb-c766-413c-a343-640549d20cb3/

Organizations & group practices 5

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 14

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

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1122940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1701043200000",
    "number": "1487655346",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "320 SUNNYVIEW LN",
            "city": "KALISPELL",
            "state": "MT",
            "postal_code": "599013129",
            "telephone_number": "406-752-7441"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "320 SUNNYVIEW LN",
            "city": "KALISPELL",
            "state": "MT",
            "postal_code": "599013129",
            "telephone_number": "406-752-7441"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMPSON",
        "first_name": "WILLIAM",
        "middle_name": "GIBSON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-02",
        "last_updated": "2023-11-27",
        "certification_date": "2020-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "OK",
            "license": "30937",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "TX",
            "license": "J5017",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MT",
            "license": "79718",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "105169003",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "krmcmedicalrecords@krhdirect.org",
            "affiliation": "Y",
            "affiliationName": "HealthCenter Northwest, L.L.C.",
            "address_1": "320 Sunnyview Ln",
            "city": "Kalispell",
            "state": "MT",
            "country_code": "US",
            "postal_code": "599013129",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Kalispell, MT

Sources for this page

Verify at the official NPI Registry.