Nina T Willow, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MD00040151 Issued in WA

Practice address

3927 Rucker Ave
Everett, WA 98201-4833

Phone

(425) 259-9066

NPI assigned

Feb 22, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Other names 1

• Nina T Greenblatt Former name

Electronic endpoints 1

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

Specialty

Family PracticeAlso: Emergency Medicine

Education

Tufts University School of Medicine, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Kaiser Foundation Health Plan of WashingtonGroup PAC ID 9032022579, 1,519 clinicians

Optum Care Washington PLLCGroup PAC ID 6406752153, 684 clinicians

The Polyclinic PLLCGroup PAC ID 2163328196, 364 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/3889/brand/1/csg/1/fhir/r4
• Direct secure messaging: ngreenblatt21332@ghc.direct-ci.net

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.

• Kaiser Foundation Health Plan of Washington

  • Multi-Specialty Clinic/Center
  • Seattle, WA
  • NPI 1396810701
  Medicare reassignment Care Compare group NPD
• Optum Care Washington PLLC

  • Multi-Specialty Clinic/Center
  • Everett, WA
  • NPI 1831186766

  Family Medicine

  Medicare reassignment Care Compare group NPD
• The Polyclinic PLLC

  • Audiologist
  • Seattle, WA
  • NPI 1174594634
  Medicare reassignment Care Compare group
• Kaiser Foundation Health Plan of Washington

  • Multi-Specialty Clinic/Center
  • Everett, WA
  • NPI 1386935351
  NPD
• Kaiser Foundation Health Plan of Washington

  • Multi-Specialty Clinic/Center
  • Renton, WA
  • NPI 1669619870

  Family Medicine

  NPD
• Optum Care Washington PLLC

  • Durable Medical Equipment & Medical Supplies
  • Marysville, WA
  • NPI 1194428425

  Family Medicine

  NPD
• The Polyclinic

  • Ambulatory Surgical Clinic/Center
  • Seattle, WA
  • NPI 1073944039
  NPD
• The Polyclinic PLLC

  • Durable Medical Equipment & Medical Supplies
  • Tacoma, WA
  • NPI 1831411487

  Family Medicine

  NPD
• Optum Care Washington PLLC

  • Ambulatory Surgical Clinic/Center
  • Everett, WA
  • NPI 1154318103
  NPD (past)
• The Polyclinic PLLC

  • Durable Medical Equipment & Medical Supplies
  • Seattle, WA
  • NPI 1346620200

  Family Medicine

  NPD (past)

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

{
    "created_epoch": "1172102400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775174400000",
    "number": "1225163322",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5127",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982065127",
            "telephone_number": "206-860-5414"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3927 RUCKER AVE",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982014833",
            "telephone_number": "425-259-9066"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLOW",
        "first_name": "NINA",
        "middle_name": "T",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-02-22",
        "last_updated": "2026-04-03",
        "certification_date": "2026-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WA",
            "license": "MD00040151",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8290082",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwa.kp.org:14430/Interconnect-CE-PRD/wcf/epic.community.hie/xcpdrespondinggatewaysync",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "310 15th Ave E",
            "city": "Seattle",
            "state": "WA",
            "country_code": "US",
            "postal_code": "981125103",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "NINA",
            "last_name": "GREENBLATT",
            "middle_name": "T",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jennifer Willingham
• Kenneth Joseph Willis
• Margo Rain Willis
• Sue Willis
• Willow Family Medicine PLLC
• Lyndal Deanne Wilson-Bishop, PA
• Brandon Ross Wilson, PA
• Brittany Wilson
• Carlee Ann Wilson
• Christina Wilson, MA, MHP

• Family Medicine Physician in Everett, WA
• Providers in Everett, WA by specialty
• Family Medicine Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 3, 2026; 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.