Adam Jeffrey Silva

Primary specialty

Surgical Physician AssistantTaxonomy code 363AS0400X

License

PA18637 Issued in TX

Practice address

4700 Seton Center Pkwy Ste 200
Austin, TX 78759-4107

Phone

(512) 439-1000

NPI assigned

May 11, 2023

Sex

Male

Sole proprietor

Yes

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 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

Physician Assistant

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ortholonestar PLLCGroup PAC ID 9931529062, 416 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ascension Seton Northwest Hospital, Austin, TX, CCN 450867

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: adam.silva.1@15533.direct.athenahealth.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.

• Ortholonestar, PLLC

  • Orthopaedic Surgery Physician
  • Houston, TX
  • NPI 1942860176
  Medicare reassignment Care Compare group NPD
• Longhorn Emergency Medical Associates PA

  • Emergency Medicine Physician
  • Austin, TX
  • NPI 1649669672
  Medicare reassignment
• Ortholonestar, PLLC

  • Orthopaedic Surgery Physician
  • Tomball, TX
  • NPI 1073475679
  NPD
• Ortholonestar, PLLC

  • Orthopaedic Surgery Physician
  • Austin, TX
  • NPI 1528675097
  NPD (past)

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

• Ascension Seton

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1124137054
  Care Compare affiliation

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

{
    "created_epoch": "1683763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774483200000",
    "number": "1740970912",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 DOROTHY AVE",
            "city": "WILMINGTON",
            "state": "MA",
            "postal_code": "018871115",
            "telephone_number": "617-470-7627"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4700 SETON CENTER PKWY STE 200",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787594107",
            "telephone_number": "512-439-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2224 Walsh Tarlton Ln Ste 200",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787467756",
            "country_code": "US",
            "telephone_number": "512-439-1000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3755 S Capital Of Texas Hwy Ste 160",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787046645",
            "country_code": "US",
            "telephone_number": "512-439-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SILVA",
        "first_name": "ADAM",
        "middle_name": "JEFFREY",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-05-11",
        "last_updated": "2026-03-26",
        "certification_date": "2026-03-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "TX",
            "license": "PA18637",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katherine Helen Sillis, MT, M.ED.
• Gabriella Sillman
• Vivian Margarita Silva Garces I
• Haley Silva Mario, MS, RD, LD
• Thais B Silva-Rodriguez
• Angela Michelle Silva
• Antonio Arcadio Silva
• Anyssa Marie Silva, SLPA
• Bruce S Silva, DDS
• Isabel Janette Silva, LOT

• Surgical Physician Assistant in Austin, TX
• Providers in Austin, TX by specialty
• Surgical Physician Assistant in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 26, 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.