Individual provider Active NPI

Louis Samuel Reier, D.O.

  • Neurological Surgery Physician
  • Colton, CA
National Provider Identifier
1154838175
Registry record updated Jun 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
License
20A19686 Issued in CA
Practice address
400 N Pepper Ave
Colton, CA 92324-1819
Phone
(909) 580-3496
Fax
(909) 580-3332
NPI assigned
Dec 29, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurological Surgery Physician 207T00000X 20A19686 CA Primary

Addresses

Primary practice location

400 N Pepper Ave
Colton, CA 92324-1819

Mailing address

400 N Pepper Ave
Colton, CA 92324-1819
Phone (909) 580-3496

Other practice location 1

39000 Bob Hope Dr
Rancho Mirage, CA 92270-3202
Phone (760) 610-8781

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN
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

Enrollment IDStateProvider typePAC IDDetails
I20190508001271 TN Order and Referring Only - Family PracticePractitioner - Family Practice 7517209737

Care Compare profile

Medicare Care Compare
Specialty
Neurosurgery
Education
Lincoln Mem Univ, Debusk Col of Osteopathic Med, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Eisenhower Medical CenterGroup PAC ID 5890689657, 462 clinicians

Practice addresses (Care Compare)

39950 Vista del Sol
Rancho Mirage, CA 92270-3206
Phone (760) 340-0053

Hospital & facility affiliations

  • Eisenhower Medical Center Hospital, Rancho Mirage, CA, CCN 050573

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Interoperability endpoints

  • Direct secure messaging: louis.reier@307923798327300.direct.elationemr.com

Organizations & group practices 1

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1514505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781654400000",
    "number": "1154838175",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 N PEPPER AVE",
            "city": "COLTON",
            "state": "CA",
            "postal_code": "923241819",
            "telephone_number": "909-580-3496",
            "fax_number": "909-580-3332"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 N PEPPER AVE",
            "city": "COLTON",
            "state": "CA",
            "postal_code": "923241819",
            "telephone_number": "909-580-3496",
            "fax_number": "909-580-3332"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "39000 Bob Hope Dr",
            "address_purpose": "LOCATION",
            "city": "Rancho Mirage",
            "state": "CA",
            "postal_code": "922703202",
            "country_code": "US",
            "telephone_number": "760-610-8781",
            "fax_number": "760-507-8316",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "REIER",
        "first_name": "LOUIS",
        "middle_name": "SAMUEL",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-12-29",
        "last_updated": "2026-06-17",
        "certification_date": "2026-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "CA",
            "license": "20A19686",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Colton, CA

Sources for this page

Verify at the official NPI Registry.