Individual provider Active NPI

Darby E Robinson O'Neill

  • Gastroenterology Physician
  • Everett, WA
National Provider Identifier
1295842037
Registry record updated Apr 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
MD00045435 Issued in WA
Practice address
3927 Rucker Ave
Everett, WA 98201-4833
Phone
(425) 258-3900
NPI assigned
Aug 25, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X MD00045435 WA Primary

Addresses

Primary practice location

3927 Rucker Ave
Everett, WA 98201-4833

Mailing address

7600 Evergreen Way
Everett, WA 98203-6421
Phone (206) 860-5414

Other identifiers 2

IdentifierTypeStateIssuer
0261535OtherWAL&I
1295842037MedicaidWA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20060419000236 WA Practitioner - Gastroenterology 8729097753 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
University of Washington School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Optum Care Washington PLLCGroup PAC ID 6406752153, 684 clinicians

Practice addresses (Care Compare)

3927 Rucker Ave
Everett, WA 98201-4833
Phone (425) 339-3930

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy34
Upper gastrointestinal (GI) endoscopy for acid reflux30

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD00045435WAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Optum Care Washington PLLC CurrentSince Apr 8, 2013 Accepting new patients
Optum Care Washington PLLC CurrentSince Apr 8, 2013 Accepting new patients
Optum Care Washington PLLC Past Accepting new patients

Locations

4011 172nd St NE
Arlington, WA 98223
Phone (360) 454-1936

1330 Rockefeller Ave
Everett, WA 98201
Phone (425) 258-3903

3927 Rucker Ave
Ste 205
Everett, WA 98201

3927 Rucker Ave
Everett, WA 98201
Phone (425) 339-5419

1201 N 175th St
Shoreline, WA 98133
Phone (425) 339-4299

Interoperability endpoints

  • Direct secure messaging: drobinsononeill13123@direct.tecmc.com

Organizations & group practices 3

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": "1156464000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776384000000",
    "number": "1295842037",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7600 EVERGREEN WAY",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982036421",
            "telephone_number": "206-860-5414"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3927 RUCKER AVE",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982014833",
            "telephone_number": "425-258-3900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROBINSON O'NEILL",
        "first_name": "DARBY",
        "middle_name": "E",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-25",
        "last_updated": "2026-04-17",
        "certification_date": "2026-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "WA",
            "license": "MD00045435",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "L&I",
            "identifier": "0261535",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1295842037",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Everett, WA

Sources for this page

Verify at the official NPI Registry.