Ruben Krishnananthan, MD

Primary specialty

Nuclear Medicine PhysicianTaxonomy code 207U00000X

License

MD00045187 Issued in WA

Practice address

19020 33Rd Ave W
Suite 210
Lynnwood, WA 98036-4746

Phone

(425) 563-1500

Fax

(425) 563-1501

NPI assigned

Aug 31, 2006

Last updated

Dec 30, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in WA, ID, NJ, CA, MI5 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 5

Specialty

Diagnostic RadiologyAlso: Nuclear Medicine

Education

Other, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Evergreen Radia LLCGroup PAC ID 4587568076, 116 clinicians

Radia Imaging Center Holdings LLCGroup PAC ID 6305182965, 43 clinicians

Swedish Health ServicesGroup PAC ID 3173433067, 156 clinicians

Radia Inc P SGroup PAC ID 9931012812, 275 clinicians

Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians

Radia California Radiology Medical Group IncGroup PAC ID 8921465998, 134 clinicians

Swedish Radia Imaging Center at Edmonds LLCGroup PAC ID 5496778292, 115 clinicians

Swedish Health ServicesGroup PAC ID 9537072814, 384 clinicians

Yakima Valley Memorial PhysiciansGroup PAC ID 1557391596, 397 clinicians

South Sound Radiologists Inc P SGroup PAC ID 1254229305, 76 clinicians

Optum Care Washington PLLCGroup PAC ID 6406752153, 684 clinicians

County of Santa ClaraGroup PAC ID 1254244973, shared by 46 NPIs, 1,000 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Yakima Valley Memorial Hospital, Yakima, WA, CCN 500036
• Providence Santa Rosa Memorial Hospital Hospital, Santa Rosa, CA, CCN 050174
• Swedish Medical Center Hospital, Seattle, WA, CCN 500027
• Providence Regional Medical Center Everett Hospital, Everett, WA, CCN 500014
• Providence Holy Cross Medical Center Hospital, Mission Hills, CA, CCN 050278

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations (25 of 58)

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Evergreen Radia LLC

  dba Evergreen Radia

  • Diagnostic Radiology Physician
  • Kirkland, WA
  • NPI 1922095694
  Medicare reassignment Care Compare group NPD
• Optum Care Washington PLLC

  • Multi-Specialty Clinic/Center
  • Everett, WA
  • NPI 1831186766
  Medicare reassignment Care Compare group NPD
• Radia Imaging Center Holdings LLC

  dba Seattle Radiology

  • Diagnostic Radiology Physician
  • Seattle, WA
  • NPI 1639653017
  Medicare reassignment Care Compare group NPD
• Radia Inc P S

  dba Radia

  • Diagnostic Radiology Physician
  • Lynnwood, WA
  • NPI 1932196607

  ID, NJ

  Medicare reassignment Care Compare group NPD
• South Sound Radiologists Inc P S

  dba South Sound Radiology

  • Diagnostic Radiology Physician
  • Olympia, WA
  • NPI 1902990500
  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  dba Swedish Imaging Clinics

  • Body Imaging Physician
  • Everett, WA
  • NPI 1114356904
  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  • Internal Medicine Physician
  • Seattle, WA
  • NPI 1689612954
  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  • Family Medicine Physician
  • Seattle, WA
  • NPI 1831139724
  Medicare reassignment Care Compare group NPD
• Swedish Radia Imaging Center at Edmonds LLC

  dba Swedish Radia Edmonds

  • Diagnostic Radiology Physician
  • Edmonds, WA
  • NPI 1164494373
  Medicare reassignment Care Compare group NPD
• Yakima Valley Memorial Physicians

  • General Acute Care Hospital
  • Yakima, WA
  • NPI 1306933940
  Medicare reassignment Care Compare group NPD
• Radia California Radiology Medical Group Inc

  dba Radia California

  • Diagnostic Radiology Physician
  • Santa Rosa, CA
  • NPI 1740982032

  NJ

  Medicare reassignment Care Compare group NPD
• Central Washington Health Services Association

  dba Confluence Health

  • Emergency Medical Services (Emergency Medicine) Physician
  • Wenatchee, WA
  • NPI 1801937453
  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Providence Health & Services-Wa

  dba Providence Regional Medical Center Everett

  • Hospitalist Physician
  • Everett, WA
  • NPI 1649615220
  Care Compare affiliation
• Providence Health & Services-Wa

  • General Acute Care Hospital
  • Everett, WA
  • NPI 1700037801
  Care Compare affiliation
• Swedish Health Services

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1306992151
  Care Compare affiliation
• Yakima Valley Memorial Hospital Association

  dba MultiCare Yakima Memorial Hospital

  • General Acute Care Hospital
  • Yakima, WA
  • NPI 1053373480
  Care Compare affiliation
• Providence Health System - Southern California

  dba Providence Holy Cross Medical Center

  • General Acute Care Hospital
  • Mission Hills, CA
  • NPI 1477587632
  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  dba Providence Santa Rosa Memorial Hospital

  • General Acute Care Hospital
  • Santa Rosa, CA
  • NPI 1134152549
  Care Compare affiliation

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

{
    "created_epoch": "1156982400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767052800000",
    "number": "1891807863",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19020 33RD AVE W STE 210",
            "city": "LYNNWOOD",
            "state": "WA",
            "postal_code": "980364748",
            "telephone_number": "425-563-1500",
            "fax_number": "425-563-1374"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19020 33RD AVE W",
            "address_2": "SUITE 210",
            "city": "LYNNWOOD",
            "state": "WA",
            "postal_code": "980364746",
            "telephone_number": "425-563-1500",
            "fax_number": "425-563-1501"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "203 S Western Ave",
            "address_purpose": "LOCATION",
            "city": "Tonasket",
            "state": "WA",
            "postal_code": "988558803",
            "country_code": "US",
            "telephone_number": "509-486-2151",
            "fax_number": "509-223-1640",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KRISHNANANTHAN",
        "first_name": "RUBEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-31",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207U00000X",
            "taxonomy_group": "",
            "desc": "Nuclear Medicine",
            "state": "WA",
            "license": "MD00045187",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WA",
            "license": "MD00045187",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Laurie L Kreiter, MD
• Kenneth Roydon Krell, DDS
• Jessica Krepps, PTA
• Amy Kretz
• Robert Steven Kreutz Jr., B.S., D.C.
• Rosalie H Kroeker
• Madison Brooke Kroeze
• Joshua Krolikowski, OTR/L
• Jolene A Kron, BA, BS
• Ma-Mentay Krubally

• Nuclear Medicine Physician in Lynnwood, WA
• Providers in Lynnwood, WA by specialty
• Nuclear Medicine Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.