Individual provider Active NPI

Ragavan Vignesh Siddharthan, M.D.

  • Surgery Physician
  • Seattle, WA
National Provider Identifier
1841686441
Registry record updated Aug 15, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
MD61574196 Issued in WA
Practice address
825 Eastlake Ave E
Seattle, WA 98109-4405
Phone
(206) 520-5000
NPI assigned
Apr 9, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 15, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Colon & Rectal Surgery Physician 208C00000X MD61574196 WA
Surgery Physician 208600000X MD61574196 WA Primary

Addresses

Primary practice location

825 Eastlake Ave E
Seattle, WA 98109-4405

Mailing address

PO Box 50095
Seattle, WA 98145-5095
Phone (206) 520-5700

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address payer.credentialing@sphp.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, 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
I20220915000058 NY Practitioner - Colorectal Surgery (Proctology)Practitioner - General Surgery 9032426200 Reassigns benefits to 1 organization
I20240808002817 WA Practitioner - General Surgery 9032426200 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Emory University School of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
The Association of University PhysiciansGroup PAC ID 0446162697, 3,484 clinicians

Practice addresses (Care Compare)

1550 N 115TH St
Seattle, WA 98133-8401
Phone (206) 364-0500

1570 N 115TH St
Seattle, WA 98133-8401
Phone (206) 306-2800

1701 Columbia Rd
Seattle, WA 98195-0001
Phone (206) 598-3100

1959 NE Pacific St
Seattle, WA 98195-0001
Phone (206) 598-4333

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy26

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD61574196WAMDColon & Rectal Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Association of University Physicians Surgery CurrentSince Aug 5, 2024 Accepting new patients
St. Peter's Health Partners Medical Associates, P.C. CurrentSince Oct 1, 2022 Accepting new patients
University of Washington Past Accepting new patients

Locations

319 S Manning Blvd
Ste 310
Albany, NY 12208
Phone (518) 438-2776

2 New Hampshire Ave
Troy, NY 12180
Phone (518) 272-0331

825 Eastlake Ave E
Seattle, WA 98109
Phone (206) 288-1000

1959 NE Pacific St
Seattle, WA 98195
Phone (206) 598-4333

11011 Meridian Ave N
Ste 101
Seattle, WA 98133
Phone (206) 306-0400

1550 N 115th St
Shoreline, WA 98133
Phone (206) 364-0500

Interoperability endpoints

  • Direct secure messaging: rsiddharthan2110196@direct.trinity-health.org
  • Direct secure messaging: rsiddharthan1695208@direct.ehre.uwmedicine.org

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": "1428537600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1723680000000",
    "number": "1841686441",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 50095",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981455095",
            "telephone_number": "206-520-5700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "825 EASTLAKE AVE E",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981094405",
            "telephone_number": "206-520-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIDDHARTHAN",
        "first_name": "RAGAVAN",
        "middle_name": "VIGNESH",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-09",
        "last_updated": "2024-08-15",
        "certification_date": "2024-08-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "WA",
            "license": "MD61574196",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "WA",
            "license": "MD61574196",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "payer.credentialing@sphp.com",
            "affiliation": "N",
            "endpointDescription": "SPHP - Payer Credentialing",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "319 S Manning Blvd Ste 310",
            "city": "Albany",
            "state": "NY",
            "country_code": "US",
            "postal_code": "122081743",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.