Active NPI
Louis Samuel Reier, D.O.
- Neurological Surgery Physician
- Colton, CA
National Provider Identifier
1154838175
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurological Surgery Physician
- License
- 20A19686
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20190508001271 | TN | Order and Referring Only - 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
Practice addresses (Care Compare)
39950 Vista del Sol
Rancho Mirage, CA 92270-3206
Phone (760) 340-0053
Hospital & facility affiliations
- Eisenhower Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
Interoperability endpoints
- 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.
-
- General Acute Care Hospital
- Rancho Mirage, CA
- NPI 1013981554
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Rancho Mirage, CA
- NPI 1013981554
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 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.