Individual provider Active NPI

Patrizia Showell, M.D.

  • Internal Medicine Physician
  • Bellevue, WA
National Provider Identifier
1942279864
Registry record updated Apr 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD00038797 Issued in WA
Practice address
10400 NE 4TH St Ste 2250
Bellevue, WA 98004-5186
Phone
(888) 663-6331
Fax
(415) 252-7176
NPI assigned
Mar 14, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD00038797 WA Primary

Addresses

Primary practice location

10400 NE 4TH St Ste 2250
Bellevue, WA 98004-5186

Mailing address

1 Embarcadero Ctr Ste 1900
San Francisco, CA 94111-3723
Phone (415) 658-6791

Other practice location 1

904 7th Ave
Seattle, WA 98104-1132
Phone (206) 329-1760

Other identifiers 1

IdentifierTypeStateIssuer
8255721MedicaidWA

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
I20100212000100 WA Practitioner - Internal Medicine 1052455144 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Tulane University School of Medicine, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
The Polyclinic PLLCGroup PAC ID 2163328196, 364 clinicians

Practice addresses (Care Compare)

904 7TH Ave
Seattle, WA 98104-1132
Phone (206) 309-1760

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
The Polyclinic PLLC Internal Medicine Current Accepting new patients
Optum Care Washington PLLC CurrentSince Feb 13, 2024 Accepting new patients
Optum Care Washington PLLC Internal Medicine Current Accepting new patients
Optum Care Washington PLLC Internal Medicine CurrentSince Feb 13, 2024 Accepting new patients
The Polyclinic PLLC Past Accepting new patients

Locations

3901 Hoyt Ave
Everett, WA 98201
Phone (425) 258-3903

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

1145 Broadway
Seattle, WA 98122

904 7th Ave
Seattle, WA 98104
Phone (206) 223-6487

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

Interoperability endpoints

  • Direct secure messaging: pshowell23313@direct.tecmc.com

Organizations & group practices 6

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": "1142294400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776643200000",
    "number": "1942279864",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723",
            "telephone_number": "415-658-6791"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10400 NE 4TH ST STE 2250",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980045186",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "904 7th Ave",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981041132",
            "country_code": "US",
            "telephone_number": "206-329-1760",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SHOWELL",
        "first_name": "PATRIZIA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-14",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD00038797",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8255721",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Bellevue, WA

Sources for this page

Verify at the official NPI Registry.