Thucan Timothy Bui, DO

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

23921 Issued in CA

Practice address

11234 Anderson St
Loma Linda, CA 92350-1716

Phone

(909) 558-4344

NPI assigned

Mar 24, 2021

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

Other names 1

• Andy Timothy Bui Former name

Medicare fee-for-service enrollment

Enrolled in MS, CA2 enrollments

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 2

Specialty

Emergency Medicine

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

MD Karan Singh Professional CorpGroup PAC ID 6800235458, 30 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Loma Linda University Medical Center Hospital, Loma Linda, CA, CCN 050327
• San Gorgonio Memorial Hospital Hospital, Banning, CA, CCN 050054

Merit-based Incentive Payment System (MIPS)

Final score

96.53 of 100Reported as group

Quality

88.1

Improvement activities

40

Cost

85.08

Merit-based Incentive Payment System (MIPS)

Final score

89.09 of 100Reported as apm

Quality

73.43

Promoting interoperability

100

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

99.24 of 100Reported as group

Quality

90.02

Improvement activities

40

Cost

87.21

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

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.

• MD Karan Singh Professional Corp

  • Emergency Medicine Physician
  • Banning, CA
  • NPI 1932964962
  Medicare reassignment Care Compare group NPD
• Faculty Physicians and Surgeons of Llusm

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Apple Valley, CA
  • NPI 1205009917
  Medicare reassignment Care Compare group
• Attala Emergency Group LLC

  • Emergency Medicine Physician
  • Kosciusko, MS
  • NPI 1407103294
  Medicare reassignment NPD
• Comprehensive Hospitalists of Ms, LLC

  • Hospitalist Physician
  • Amory, MS
  • NPI 1467856385
  Medicare reassignment NPD
• Independent Healthcare Management, Inc.

  • Critical Access Hospital
  • Forest, MS
  • NPI 1306909734
  Medicare reassignment NPD
• Leake Emergency Group, LLC

  • Emergency Medicine Physician
  • Carthage, MS
  • NPI 1669028130
  Medicare reassignment NPD
• RH Emergency Medicine of Marion General LLC

  • Emergency Medicine Physician
  • Columbia, MS
  • NPI 1841064110
  Medicare reassignment NPD
• Yazoo Emergency Group, LLC

  • Emergency Medicine Physician
  • Yazoo City, MS
  • NPI 1447806914
  Medicare reassignment NPD
• Faculty Physicians and Surgeons of Llusm

  • Preventive Medicine/Occupational Environmental Medicine Physician
  • Loma Linda, CA
  • NPI 1306372073
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Family Medicine Physician
  • Moreno Valley, CA
  • NPI 1558788331
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Pediatrics Physician
  • Highland, CA
  • NPI 1689624991
  NPD
• Comprehensive Hospitalists of Ms, LLC

  • Hospitalist Physician
  • Clarksdale, MS
  • NPI 1710371679
  NPD

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
• San Gorgonio Memorial Hospital

  • General Acute Care Hospital
  • Banning, CA
  • NPI 1568469997
  Care Compare affiliation

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

{
    "created_epoch": "1616544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777334400000",
    "number": "1003493404",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11234 ANDERSON ST",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923501716",
            "telephone_number": "909-558-7171"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11234 ANDERSON ST",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923501716",
            "telephone_number": "909-558-4344"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5001 Hardy St",
            "address_purpose": "LOCATION",
            "city": "Hattiesburg",
            "state": "MS",
            "postal_code": "394021308",
            "country_code": "US",
            "telephone_number": "601-296-3963",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BUI",
        "first_name": "THUCAN",
        "middle_name": "TIMOTHY",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-24",
        "last_updated": "2026-04-28",
        "certification_date": "2026-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "23921",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MS",
            "license": "30887",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ANDY",
            "last_name": "BUI",
            "middle_name": "TIMOTHY",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Tritia Buell
• Ann Bui
• Diem Bui
• Kim Anh Bui
• Nicholas Edward Bui
• Joshua Macpherson Buley, PSY.D.
• Beryl Heather Bull, MD
• Kelsey Bullock
• Diane E. Bunker
• William Bunnell, M.D.

• Emergency Medicine Physician in Loma Linda, CA
• Providers in Loma Linda, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 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.