Individual provider Active NPI

Duane D. Webb, MD

  • Gastroenterology Physician
  • Sequim, WA
National Provider Identifier
1881637742
Registry record updated Jul 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
MD00046034 Issued in WA
Practice address
840 N 5TH Ave Ste 1500
Sequim, WA 98382-3045
Phone
(360) 565-0999
Fax
(360) 582-2841
NPI assigned
Jun 14, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 22, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X MED-PHYS-LIC-81016 MT
Gastroenterology Physician 207RG0100X MD00046034 WA Primary

Addresses

Primary practice location

840 N 5TH Ave Ste 1500
Sequim, WA 98382-3045

Mailing address

PO Box 850
Port Angeles, WA 98362-0146
Phone (360) 565-9237

Other practice location 1

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

Other practice location 2

1101 26th St S
Great Falls, MT 59405-5161
Phone (406) 731-8888

Other practice location 3

4545 Cordata Pkwy Ste 1B
Bellingham, WA 98226-7264
Phone (360) 752-5216

Other identifiers 1

IdentifierTypeStateIssuer
1881637742MedicaidWA

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address DEPTLHREVIntegrityHIMTechs@logan.org Kalispell Regional Medical Center, Inc

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, MT2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20060403000091 WA Practitioner - GastroenterologyPractitioner - Internal Medicine 4789641044 Reassigns benefits to 2 organizations
I20200311001171 MT Practitioner - Internal MedicinePractitioner - Gastroenterology 4789641044 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
State University of New York at Stony Brook, School of Medicine, 1974
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Public Hospital Dist No 1 SkagitGroup PAC ID 6800793522, 321 clinicians
PeacehealthGroup PAC ID 9537073960, 292 clinicians

Practice addresses (Care Compare)

1400 E Kincaid St
Mount Vernon, WA 98274-4127
Phone (360) 428-2500

4545 Cordata Pkwy
Suite 1B
Bellingham, WA 98226-7264
Phone (360) 738-2200

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy15
Upper gastrointestinal (GI) endoscopy for acid reflux20

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Public Hospital Dist No 1 Skagit Current Accepting new patients
RCHP Billings - Missoula LLC CurrentSince Apr 1, 2020 Accepting new patients
RCHP Billings - Missoula LLC Current Accepting new patients
Peacehealth CurrentSince Sep 22, 2025 Accepting new patients
Franciscan Medical Group Current Accepting new patients
Benefis Hospitals, Inc. CurrentSince Sep 4, 2024 Accepting new patients
Benefis Hospitals Inc CurrentSince Sep 4, 2024 Accepting new patients
Public Hospital Dist No 1 Skagit CurrentSince Mar 1, 2020 Accepting new patients
Public Hospital Dist No 1 Skagit CurrentSince Mar 1, 2020 Accepting new patients
Great Falls Clinic LLC CurrentSince Apr 27, 2023 Accepting new patients
Public Hospital Dist No 1 Skagit Past Accepting new patients

Locations

1400 29th St S
Great Falls, MT 59405
Phone (406) 442-3570

1101 26th St S
Fl 5
Great Falls, MT 59405
Phone (406) 455-2132

1101 26th St S
Great Falls, MT 59405
Phone (406) 455-4690

3000 15th Ave S
Great Falls, MT 59405
Phone (406) 771-3102

1645 Vandelay Ave
Ste 201
Helena, MT 59601
Phone (406) 389-2505

2230 N Reserve St
Ste 402
Missoula, MT 59808
Phone (406) 327-3850

2230 N Reserve St
Missoula, MT 59808
Phone (406) 721-0533

2827 Fort Missoula Rd
Missoula, MT 59804
Phone (406) 327-4202

4545 Cordata Pkwy
Ste B
Bellingham, WA 98226
Phone (360) 752-5220

3015 Squalicum Pkwy
Ste 100
Bellingham, WA 98225
Phone (360) 715-4186

4545 Cordata Pkwy
Ste 1B
Bellingham, WA 98226
Phone (360) 752-5216

1400 E Kincaid St
Mount Vernon, WA 98274
Phone (360) 428-2586

1800 NW Myhre Rd
Silverdale, WA 98383
Phone (360) 337-8800

Interoperability endpoints

  • Direct secure messaging: dwebb53286@benefishs.direct-ci.com
  • FHIR API: https://api.platform.athenahealth.com/25095/brand/1/csg/1/fhir/r4
  • Direct secure messaging: dwebb787551@direct.peacehealth.org
  • Direct secure messaging: dwebb30877@skagit.direct-ci.com

Organizations & group practices 11

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1150243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753142400000",
    "number": "1881637742",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 850",
            "city": "PORT ANGELES",
            "state": "WA",
            "postal_code": "983620146",
            "telephone_number": "360-565-9237",
            "fax_number": "360-582-2841"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "840 N 5TH AVE STE 1500",
            "city": "SEQUIM",
            "state": "WA",
            "postal_code": "983823045",
            "telephone_number": "360-565-0999",
            "fax_number": "360-582-2841"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "320 Sunnyview Ln",
            "address_purpose": "LOCATION",
            "city": "Kalispell",
            "state": "MT",
            "postal_code": "599013129",
            "country_code": "US",
            "telephone_number": "406-752-7441",
            "fax_number": "406-257-0304",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1101 26th St S",
            "address_purpose": "LOCATION",
            "city": "Great Falls",
            "state": "MT",
            "postal_code": "594055161",
            "country_code": "US",
            "telephone_number": "406-731-8888",
            "fax_number": "406-731-8318",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4545 Cordata Pkwy Ste 1B",
            "address_purpose": "LOCATION",
            "city": "Bellingham",
            "state": "WA",
            "postal_code": "982267264",
            "country_code": "US",
            "telephone_number": "360-752-5216",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WEBB",
        "first_name": "DUANE",
        "middle_name": "D.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-14",
        "last_updated": "2025-07-22",
        "certification_date": "2025-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MT",
            "license": "MED-PHYS-LIC-81016",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "WA",
            "license": "MD00046034",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1881637742",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "DEPTLHREVIntegrityHIMTechs@logan.org",
            "affiliation": "Y",
            "affiliationName": "Kalispell Regional Medical Center, Inc",
            "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 Sequim, WA

Sources for this page

Verify at the official NPI Registry.