Tammy M Davis, DNP, FNP-C

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

AP61592176 Issued in WA

Practice address

1717 13TH St
Everett, WA 98201-1621

Phone

(425) 659-4968

Fax

(425) 242-5036

NPI assigned

Jul 31, 2024

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Optum Care Washington PLLCGroup PAC ID 6406752153, 684 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Regional Medical Center Everett Hospital, Everett, WA, CCN 500014

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tdavis2657@direct.tecmc.com

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.

• Optum Care Washington PLLC

  • Multi-Specialty Clinic/Center
  • Everett, WA
  • NPI 1831186766
  Medicare reassignment Care Compare group NPD
• The Polyclinic PLLC

  dba Optum - Broadway

  • Audiologist
  • Seattle, WA
  • NPI 1174594634
  Medicare reassignment NPD
• Optum Care Washington PLLC

  • Durable Medical Equipment & Medical Supplies
  • Marysville, WA
  • NPI 1194428425
  NPD
• The Polyclinic PLLC

  dba Optum Tacoma

  • Durable Medical Equipment & Medical Supplies
  • Tacoma, WA
  • NPI 1831411487
  NPD
• The Polyclinic PLLC

  dba Optum Care Washington

  • Durable Medical Equipment & Medical Supplies
  • Seattle, WA
  • NPI 1346620200
  NPD (past)

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

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

{
    "created_epoch": "1722384000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1407685977",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1717 13TH ST",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982011621",
            "telephone_number": "425-297-5500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1717 13TH ST",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982011621",
            "telephone_number": "425-659-4968",
            "fax_number": "425-242-5036"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAVIS",
        "first_name": "TAMMY",
        "middle_name": "M",
        "name_prefix": "Mrs.",
        "credential": "DNP, FNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-07-31",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WA",
            "license": "AP61592176",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lisa Davis
• Lydia Rose Davis
• Melissa Katherine Davis
• Necia R Davis, P.T.
• Stacey Jean Davis, MS/CCC/SLP
• Timothy Andrew Davis, LISW
• Sumaira Dawari, PA
• Ayad Joseph Dawood, MD
• Breanne Dawson
• John A Dawson, D.C.

• Nurse Practitioner in Everett, WA
• Providers in Everett, WA by specialty
• Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 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.