Individual provider Active NPI

Ritika Walia, MD

  • Anatomic Pathology & Clinical Pathology Physician
  • Seattle, WA
National Provider Identifier
1104453182
Registry record updated Sep 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X
License
MD61431709 Issued in WA
Practice address
1100 9TH Ave
Seattle, WA 98101-2756
Phone
(206) 223-6861
Fax
(206) 341-0525
NPI assigned
Mar 27, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 26, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X MD61431709 WA Primary

Addresses

Primary practice location

1100 9TH Ave
Seattle, WA 98101-2756

Mailing address

PO Box 741515
Los Angeles, CA 90074-1515
Phone (206) 223-6861

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
I20250818003246 WA Practitioner - Pathology 8224537139 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Virginia Mason Medical CenterGroup PAC ID 9830002617, 867 clinicians

Practice addresses (Care Compare)

1100 9TH Ave
Seattle, WA 98101-2756
Phone (206) 223-6600

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD61431709WAMDAnatomic Pathology & Clinical Pathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Virginia Mason Medical Center Current Accepting new patients
Virginia Mason Medical Center CurrentSince Aug 11, 2025 Accepting new patients
Virginia Mason Medical Center CurrentSince Aug 11, 2025 Accepting new patients

Locations

380 Winslow Way E
Bainbridge Island, WA 98110
Phone (206) 842-5632

4575 Sand Point Way NE
Ste 108
Seattle, WA 98105
Phone (206) 525-8000

1100 9th Ave
Seattle, WA 98101
Phone (206) 223-6980

925 Seneca St
Seattle, WA 98101
Phone (206) 341-0860

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 1

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": "1585267200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758844800000",
    "number": "1104453182",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 741515",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900741515",
            "telephone_number": "206-223-6861",
            "fax_number": "206-341-0525"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 9TH AVE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981012756",
            "telephone_number": "206-223-6861",
            "fax_number": "206-341-0525"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALIA",
        "first_name": "RITIKA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-27",
        "last_updated": "2025-09-26",
        "certification_date": "2025-09-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "WA",
            "license": "MD61431709",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.