Eric Tsay

Primary specialty

Pediatric Endocrinology PhysicianTaxonomy code 2080P0205X

License

A145318 Issued in CA

Practice address

11175 Campus Street, CP-A1120
Loma Linda, CA 92350-1700

Phone

(909) 558-4773

NPI assigned

May 11, 2015

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

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: etsay61867@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 and National Provider Directory roles.

• Faculty Physicians and Surgeons of Llusm

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Apple Valley, CA
  • NPI 1205009917
  Medicare reassignment NPD
• Sac Health System

  • Federally Qualified Health Center (FQHC)
  • San Bernardino, CA
  • NPI 1013935923
  Medicare reassignment NPD
• Faculty Physicians and Surgeons of Llusm

  • Neurological Surgery Physician
  • Loma Linda, CA
  • NPI 1194775122
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Transplant Surgery Physician
  • Rancho Mirage, CA
  • NPI 1689002024
  NPD
• Sac Health System

  • Federally Qualified Health Center (FQHC)
  • San Bernardino, CA
  • NPI 1467274126
  NPD
• Sac Health System

  • Federally Qualified Health Center (FQHC)
  • San Bernardino, CA
  • NPI 1982164877
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Orthopaedic Surgery Physician
  • Loma Linda, CA
  • NPI 1275582918
  NPD (past)

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

{
    "created_epoch": "1431302400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764115200000",
    "number": "1275911364",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11175 CAMPUS STREET, CP-A1120",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923501700",
            "telephone_number": "909-558-4773"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11175 CAMPUS STREET, CP-A1120",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923501700",
            "telephone_number": "909-558-4773"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSAY",
        "first_name": "ERIC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-05-11",
        "last_updated": "2025-11-26",
        "certification_date": "2025-11-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0205X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Endocrinology",
            "state": "CA",
            "license": "A145318",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica I-Ching Tsai, D.D.S.
• Kristen Mieko Tsai, MD
• Cynthia Tsang
• Bryan E Tsao, MD
• Hsiaomei Berry Tsao, AU.D.
• Philip Han-Yuan Tseng, M.D.
• Samuel J. Tsou, RN
• Madison Tsuchiya, MD
• Mitsuhiko Tsukimoto, M.D.
• Ja Tsun, MD

• Pediatric Endocrinology Physician in Loma Linda, CA
• Providers in Loma Linda, CA by specialty
• Pediatric Endocrinology Physician in California

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