James Yu-Chih Tsai, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

A70963 Issued in CA

Practice address

201 N Laursen St
Hemet, CA 92543-4417

Phone

(951) 652-3333

Fax

(951) 652-8892

NPI assigned

May 31, 2005

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 2

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

Hematology/OncologyAlso: Internal Medicine, Pediatric Medicine

Education

Other, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Faculty Physicians and Surgeons of LlusmGroup PAC ID 1153227814, 1,313 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Vanura Home Health Services, Inc Home health agency, Rancho Cucamonga, CA, CCN 058181
• Loma Linda University Medical Center Hospital, Loma Linda, CA, CCN 050327
• Loma Linda University Medical Center-Murrieta Hospital, Murrieta, CA, CCN 050770

Merit-based Incentive Payment System (MIPS)

Final score

88.87 of 100Reported as group

Quality

72.13

Promoting interoperability

80

Improvement activities

40

Cost

77.36

Merit-based Incentive Payment System (MIPS)

Final score

87.29 of 100Reported as individual

Quality

62.53

Promoting interoperability

93

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: jtsai11803@direct.llu.edu
• Direct secure messaging: james.tsai@south.ikm.direct-ci.com

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.

• Faculty Physicians and Surgeons of Llusm

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Apple Valley, CA
  • NPI 1205009917
  Medicare reassignment Care Compare group NPD
• Southland Hematology Oncology Medical Group, Inc

  • Hematology & Oncology Physician
  • Hemet, CA
  • NPI 1952301947
  Medicare reassignment NPD Authorized official
• Latham Medical Group, Inc.

  • Specialist
  • Hemet, CA
  • NPI 1336453349
  Authorized official Same address or phone
• Faculty Physicians and Surgeons of Llusm

  • Internal Medicine Physician
  • Loma Linda, CA
  • NPI 1366492399
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Family Medicine Physician
  • Moreno Valley, CA
  • NPI 1558788331
  NPD
• Hemet Valley Medical Center

  • General Acute Care Hospital
  • Hemet, CA
  • NPI 1508939349
  NPD (past)
• Loma Linda University Medical Center

  • General Acute Care Hospital
  • Loma Linda, CA
  • NPI 1194731935
  NPD (past)
• Loma Linda University Physicians Medical Group Inc

  • Internal Medicine Physician
  • Loma Linda, CA
  • NPI 1841230109
  NPD (past)
• Menifee Valley Medical Center

  • General Acute Care Hospital
  • Sun City, CA
  • NPI 1881781482
  NPD (past)
• Riverside Healthcare System, L.P.

  dba Riverside Community Hospital

  • Rehabilitation Hospital Unit
  • Riverside, CA
  • NPI 1053358010
  NPD (past)
• Southwest Hematology Oncology Medical Group

  dba Southwest Cancer Care Medical Group

  • Hematology & Oncology Physician
  • Murrieta, CA
  • NPI 1578697017
  NPD (past)
• Universal Health Services of Rancho Springs Inc

  dba Southwest Healthcare - Inland Valley Hospital

  • General Acute Care Hospital
  • Murrieta, CA
  • NPI 1245221050
  NPD (past)

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

• Loma Linda University Medical Center

  • General Acute Care Hospital
  • Loma Linda, CA
  • NPI 1194731935
  Care Compare affiliation
• Loma Linda University Medical Center-Murrieta

  • General Acute Care Hospital
  • Murrieta, CA
  • NPI 1588908388
  Care Compare affiliation
• Vanura Homehealth Services, Inc.

  • Home Health Agency
  • Rancho Cucamonga, CA
  • NPI 1750336525
  Care Compare affiliation

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

{
    "created_epoch": "1117497600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756252800000",
    "number": "1437152857",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "201 N LAURSEN ST",
            "city": "HEMET",
            "state": "CA",
            "postal_code": "925434417",
            "telephone_number": "951-652-3333",
            "fax_number": "951-652-8892"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201 N LAURSEN ST",
            "city": "HEMET",
            "state": "CA",
            "postal_code": "925434417",
            "telephone_number": "951-652-3333",
            "fax_number": "951-652-8892"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSAI",
        "first_name": "JAMES",
        "middle_name": "YU-CHIH",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-05-31",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A70963",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A709630",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "SOUTHLAND HEMATOLOGY ONCOLOGY MED. GRP NPI",
            "identifier": "1952301947",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sharice Troupe
• Alexis Yesenia Trujillo
• Quan Uyen Truong
• Thanh Truong, DDS
• Darin David Trutalli, M.P.T., C.S.C.S
• Tin Tun, MD
• Michael Turnage
• Cynthia Anne Tuttle, NP
• Ultra Care (Ultra Care Pharmacy)
• William Jefferson Underwood Jr., MSW

• Hematology & Oncology Physician in Hemet, CA
• Providers in Hemet, CA by specialty
• Hematology & Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 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.