Individual provider Active NPI

Ann Bernadette Welsh, D.O.

  • Obstetrics & Gynecology Physician
  • Hillsboro, OR
National Provider Identifier
1821403171
Registry record updated Dec 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
DO186931 Issued in OR
Practice address
2875 NE Stucki Ave
Hillsboro, OR 97124-5806
Phone
(800) 813-2000
NPI assigned
Jun 25, 2014
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 16, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X OT016125 PA
Obstetrics & Gynecology Physician 207V00000X DO186931 OR Primary
Obstetrics & Gynecology Physician 207V00000X OP60858555 WA

Addresses

Primary practice location

2875 NE Stucki Ave
Hillsboro, OR 97124-5806

Mailing address

500 NE Multnomah St Ste 100
Portland, OR 97232-2031
Phone (800) 813-2000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, WA2 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
I20181009002811 OR Practitioner - Obstetrics/Gynecology 9638421217 Reassigns benefits to 1 organization
I20181113002103 WA Practitioner - Obstetrics/Gynecology 9638421217 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
OT016125PAMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Kaiser Foundation Health Plan of the Northwest Obstetrics & Gynecology CurrentSince Sep 10, 2018 Accepting new patients
Kaiser Foundation Health Plan of the Northwest CurrentSince Sep 10, 2018 Accepting new patients
Kaiser Foundation Health Plan of the Northwest CurrentSince Sep 10, 2018 Accepting new patients
Kaiser Foundation Hospitals Past Accepting new patients
Kaiser Foundation Hospitals Past Accepting new patients

Locations

10100 SE Sunnyside Rd
Clackamas, OR 97015
Phone (503) 571-2946

2875 NE Stucki Ave
Hillsboro, OR 97124
Phone (866) 280-0511

500 NE Multnomah St
Ste 100
Portland, OR 97232
Phone (503) 499-5200

7201 N Interstate Ave
Portland, OR 97217
Phone (503) 240-4051

2400 Lancaster Dr NE
Salem, OR 97305
Phone (503) 361-5400

1230 7th Ave
Longview, WA 98632
Phone (360) 575-4801

1615 Delaware St
Longview, WA 98632
Phone (360) 363-4818

7101 NE 137th Ave
Vancouver, WA 98682
Phone (360) 418-6000

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1403654400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1821403171",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 NE MULTNOMAH ST STE 100",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972322031",
            "telephone_number": "800-813-2000",
            "fax_number": "855-524-5255"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2875 NE STUCKI AVE",
            "city": "HILLSBORO",
            "state": "OR",
            "postal_code": "971245806",
            "telephone_number": "800-813-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WELSH",
        "first_name": "ANN",
        "middle_name": "BERNADETTE",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-06-25",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "PA",
            "license": "OT016125",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "OR",
            "license": "DO186931",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "WA",
            "license": "OP60858555",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hillsboro, OR

Sources for this page

Verify at the official NPI Registry.