Julyana Harumi Yamassaki-Davidson, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

1018876 Issued in TX

Practice address

341 Wheatfield Dr Ste 100
Sunnyvale, TX 75182-4639

Phone

(972) 285-0221

NPI assigned

Jan 19, 2023

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

Medicare fee-for-service enrollment

Enrolled in TX

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

Wellmed Medical Group PAGroup PAC ID 4880657386, 666 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: julyana.yamassakidavidson@wellmed.eclinicaldirectplus.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.

• Wellmed Medical Group, PA

  • Internal Medicine Physician
  • San Antonio, TX
  • NPI 1437156486
  Medicare reassignment Care Compare group NPD
• Wellmed Medical Group, P.a.

  • Family Medicine Physician
  • Corpus Christi, TX
  • NPI 1740588243
  NPD

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

{
    "created_epoch": "1674086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745971200000",
    "number": "1164137691",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "341 WHEATFIELD DR STE 100",
            "city": "SUNNYVALE",
            "state": "TX",
            "postal_code": "751824639",
            "telephone_number": "972-285-0221"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "341 WHEATFIELD DR STE 100",
            "city": "SUNNYVALE",
            "state": "TX",
            "postal_code": "751824639",
            "telephone_number": "972-285-0221"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YAMASSAKI-DAVIDSON",
        "first_name": "JULYANA",
        "middle_name": "HARUMI",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-01-19",
        "last_updated": "2025-04-30",
        "certification_date": "2025-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TX",
            "license": "1018876",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christy Westmoreland, LCPC
• Katherine Louise Wilkins, PA-C
• William B. Langston III, DDS PC
• John Stuart Williams, D.D.S.
• Charles Edward Wright
• Michael C. Yang, M.D.
• Lindsay A Yarbrough, D.O.
• Sufian Ahmeed Yassin, BDS
• Jeff Xinda Zhao, D.O.

• Family Nurse Practitioner in Sunnyvale, TX
• Providers in Sunnyvale, TX by specialty
• Family Nurse Practitioner in Texas

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