Louis Samuel Reier, D.O.
Neurological Surgery Physician · Colton, CA
Louis Samuel Reier, D.O. is a neurological surgery physician with a practice address in Colton, California, and NPI 1154838175, issued on Dec 29, 2017. Check the license (California 20A19686, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Louis Samuel Reier
- Credential
- D.O.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 20A19686 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 N Pepper Ave, Colton, CA 92324
- Phone
- (909) 580-3496
- Enumerated
- Dec 29, 2017
- Record last updated
- Jun 17, 2026
- Fax
- (909) 580-3332
- Entity
- Type 1 · individual
Also registered at 400 N Pepper Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shangrila AbaricoRegistered Nurse1609659325
- Susana AbaroRegistered Nurse1114425162
- Patricia AbbaRegistered Nurse1013188838
- Mohammad Hossein Abbasi, MD, MPHStudent in an Organized Health Care Education/Training Program1609622166
- Ala AbedrabboCertified Registered Nurse Anesthetist1972333144
- Mary AboagyeLicensed Vocational Nurse1982875605
Verify Louis Samuel Reier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A19686Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $54.94
2 payments; by number, the most common kind was food and beverage; the largest payer was Cerapedics Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Neurological Surgery Physician providers in California
There are 929 neurological surgery physician records in California.
Other neurological surgery physician records in California
- Mohamad Abbass, MDStanford, CA1679492151
- Samy Abdou, MDSan Diego, CA1215085006
- Kumar Abhinav, BSC MBBS, FRCS(SN)Stanford, CA1003331000
- Moustapha Abou-Samra, MDVentura, CA1194719807
- Bret Abshire, M.D.Murrieta, CA1992741912
- Deyaaldeen Abu Reesh, MDPalo Alto, CA1073201521
- Imad Abumeri, M.D.Bakersfield, CA1295732980
- Achal Achrol, M.D.Loma Linda, CA1275783276
- Geoffrey Adey, MDWalnut Creek, CA1447362520
- John Adler, MDStanford, CA1780736199
Common questions
What is Louis Samuel Reier, D.O.'s NPI number?
Louis Samuel Reier, D.O.'s National Provider Identifier (NPI) is 1154838175, issued on Dec 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Louis Samuel Reier, D.O. located?
The NPPES record lists a practice address at 400 N Pepper Ave, Colton, CA, 92324. Phone: (909) 580-3496. Providers update this record themselves, so call before visiting.
How can I verify Louis Samuel Reier, D.O.'s license?
NPPES lists California license number 20A19686, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.