Robert Niihara, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A203676 Issued in CA

Practice address

11234 Anderson Street
Gme Office Westerly Suite C
Loma Linda, CA 92354-2804

Phone

(909) 558-4074

NPI assigned

May 9, 2023

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

Loma Linda University School of Medicine, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Faculty Physicians and Surgeons of LlusmGroup PAC ID 1153227814, shared by 6 NPIs, 1,313 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hope International Hospice, Inc. Hospice, Torrance, CA, CCN 051774
• Loma Linda University Medical Center Hospital, Loma Linda, CA, CCN 050327

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

• Hope International Hospice Inc

  • Community Based Hospice Care Agency
  • Torrance, CA
  • NPI 1356329122
  Care Compare affiliation
• Loma Linda University Medical Center

  • General Acute Care Hospital
  • Loma Linda, CA
  • NPI 1194731935
  Care Compare affiliation

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

{
    "created_epoch": "1683590400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1831889237",
    "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": "909-558-4074"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "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": "909-558-4074"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIIHARA",
        "first_name": "ROBERT",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-05-09",
        "last_updated": "2026-07-14",
        "certification_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A203676",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lesli Izella Nicolay
• Matthew J Niedzwiecki, MD
• Barry G. Nieman, CPNP
• Gabriela Isabel Nieves
• Joyce Nieves
• Luka Nikcevic
• Nile Orthopedic and Rehabilitation Association
• Nimmiejoy LLC
• Oleg Nisenberg, MD, PHD
• Mina Nishimoto, DDS, MS

• Internal Medicine Physician in Loma Linda, CA
• Providers in Loma Linda, 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 Jul 14, 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.