Olivia Hoang-Oanh Tran, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

591 McCray St Ste 231
Hollister, CA 95023-2224

Phone

(831) 636-3116

NPI assigned

Feb 9, 2018

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 CA

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, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Bass Medical GroupGroup PAC ID 9032111281, 292 clinicians

Hazel Hawkins Memorial HospitalGroup PAC ID 9133038326, shared by 8 NPIs, 52 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hazel Hawkins Memorial Hospital Hospital, Hollister, CA, CCN 051337

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: olivia.tran.1@25176.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.

• Bass Medical Group

  • Obstetrics & Gynecology Physician
  • Walnut Creek, CA
  • NPI 1174253405
  Medicare reassignment Care Compare group NPD (past)
• Your Medical Group, Inc

  • Family Medicine Physician
  • Hollister, CA
  • NPI 1043630106
  Medicare reassignment
• Bass Medical Group

  • Specialist
  • Walnut Creek, CA
  • NPI 1154401941
  NPD
• Bass Medical Group

  • Orthopaedic Surgery Physician
  • San Ramon, CA
  • NPI 1467329904
  NPD
• Bass Medical Group

  • Pain Medicine Physician
  • Visalia, CA
  • NPI 1326409343
  NPD (past)
• El Camino Health Medical Network, LLC

  • Multi-Specialty Clinic/Center
  • San Jose, CA
  • NPI 1164880761
  NPD (past)
• Hazel Hawkins Memorial Hospital

  • General Acute Care Hospital
  • Hollister, CA
  • NPI 1275578817
  NPD (past)

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

• Hazel Hawkins Memorial Hospital

  • General Acute Care Hospital
  • Hollister, CA
  • NPI 1275578817
  Care Compare affiliation

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

{
    "created_epoch": "1518134400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739232000000",
    "number": "1649779109",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "591 MCCRAY ST STE 231",
            "city": "HOLLISTER",
            "state": "CA",
            "postal_code": "950232224",
            "telephone_number": "831-636-3116"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "591 MCCRAY ST STE 231",
            "city": "HOLLISTER",
            "state": "CA",
            "postal_code": "950232224",
            "telephone_number": "831-636-3116"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TRAN",
        "first_name": "OLIVIA",
        "middle_name": "HOANG-OANH",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-02-09",
        "last_updated": "2025-02-11",
        "certification_date": "2025-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica Toledo
• Anita Samanego Tolentino-Macaraeg, M.D.
• Arminda Tolentino, M.D.
• Eleanor Agnes Tolentino, RPH
• Christina Torres
• Gloria J Traslavina, CPT1
• Robert J Tremblay, NP
• Tricounties Speech Services Inc.
• Edward Tritico, D.D.S.
• Elise Ukestad

• Physician Assistant in Hollister, CA
• Providers in Hollister, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 11, 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.