William Tritch

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A190209 Issued in CA

Practice address

28062 Baxter Rd
Murrieta, CA 92563-1401

Phone

(951) 894-4665

Fax

(951) 894-5178

NPI assigned

May 17, 2022

Last updated

Aug 19, 2026By the provider in NPPES

Sex

Male

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Healthcare Crossing CorporationGroup PAC ID 5294721197, 16 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Loma Linda University Medical Center-Murrieta Hospital, Murrieta, CA, CCN 050770

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: william.tritch.1@10674.direct.athenahealth.com
• Direct secure messaging: wtritch541002@direct.llu.edu

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Healthcare Crossing Corporation

  dba Tri Valley Internal Medicine Group

  • Internal Medicine Physician
  • Murrieta, CA
  • NPI 1518953298
  Medicare reassignment Care Compare group NPD

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

• Loma Linda University Medical Center-Murrieta

  • General Acute Care Hospital
  • Murrieta, CA
  • NPI 1588908388
  Care Compare affiliation

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

{
    "created_epoch": "1652745600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1356088637",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11234 ANDERSON STREET",
            "address_2": "GME OFFICE WESTERLY SUITE C",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923542804",
            "telephone_number": "909-558-4354"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "28062 BAXTER RD",
            "city": "MURRIETA",
            "state": "CA",
            "postal_code": "925631401",
            "telephone_number": "951-894-4665",
            "fax_number": "951-894-5178"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TRITCH",
        "first_name": "WILLIAM",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-05-17",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A190209",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tri-Valley Medical Group, Inc
• Samantha Trigo
• Yesenia Trinidad
• Trinity Women's Health Inc
• Joseph Triplett III, RADT
• Trivalley Ear Nose Throat
• Michelle Trotter, RDN
• Emma Trpevski
• Tru-Awareness Psychological Services Professional Corporation
• Steven-Hung Quoc Truong, D.D.S.

• Internal Medicine Physician in Murrieta, CA
• Providers in Murrieta, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 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.