Shaina Marissa Willen, MD

Primary specialty

Pediatric Pulmonology PhysicianTaxonomy code 2080P0214X

License

29058 Issued in NV

Practice address

1155 Mill St
Reno, NV 89502-1576

Phone

(775) 982-5123

Fax

(775) 982-5470

NPI assigned

Apr 12, 2011

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: swillen149099@direct.renown.org

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.

• Barton Medical Foundation

  • Family Medicine Physician
  • South Lake Tahoe, CA
  • NPI 1750950499
  Medicare reassignment NPD
• Regents of the Univ of Ca

  • Maternal & Fetal Medicine Physician
  • Sacramento, CA
  • NPI 1013906973
  Medicare reassignment NPD
• Tahoe Carson Valley Medical Group Inc

  • Family Medicine Physician
  • South Lake Tahoe, CA
  • NPI 1508865528

  Pediatrics

  Medicare reassignment NPD
• Regents of the Univ of Ca

  • Rheumatology Physician
  • Sacramento, CA
  • NPI 1063401826
  NPD
• Regents of the Univ of Ca

  • Diagnostic Radiology Physician
  • Sacramento, CA
  • NPI 1477546406
  NPD

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

{
    "created_epoch": "1302566400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777334400000",
    "number": "1730479627",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1155 MILL ST # MSM14",
            "city": "RENO",
            "state": "NV",
            "postal_code": "895021576",
            "telephone_number": "775-982-5262",
            "fax_number": "775-982-5496"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1155 MILL ST",
            "city": "RENO",
            "state": "NV",
            "postal_code": "895021576",
            "telephone_number": "775-982-5123",
            "fax_number": "775-982-5470"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLEN",
        "first_name": "SHAINA",
        "middle_name": "MARISSA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-04-12",
        "last_updated": "2026-04-28",
        "certification_date": "2026-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0214X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Pulmonology",
            "state": "NV",
            "license": "29058",
            "primary": true
        },
        {
            "code": "2080P0207X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Hematology-Oncology",
            "state": "CA",
            "license": "A159074",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A159074",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Coleen Wilkinson
• Geoffrey Wilkinson
• Jessica Wilkinson, NP-C
• Jess Delbert Willans
• Xavier Alexander Willard
• Adam Willett, LSW, CSW-I
• Christina Willett, SLP-CCC
• Alisyn Willey
• William G Mishler, M.D.
• William N Dawson Jr MD Chartered

• Pediatric Pulmonology Physician in Reno, NV
• Providers in Reno, NV by specialty
• Pediatric Pulmonology Physician in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.