Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LOUIS SAMUEL REIER D.O.
NPI 1154838175
Neurological Surgery in Colton, CA

Active since December 29, 2017PECOS Enrolled
400 N PEPPER AVE, COLTON, CA 92324(909) 580-3496(909) 580-3332 Get Directions Write a Review

NPPES record last updated: June 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 12, 2019, Dec 29, 2017 (2 updates tracked since 2017).

About Louis Samuel Reier D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LOUIS SAMUEL REIER D.O. (NPI 1154838175) is an individual neurological surgery provider in Colton, California, licensed in California (20A19686) and active in the NPI registry since December 2017. He is enrolled in Medicare PECOS and maintains a secondary practice location in Rancho Mirage.

NPPES Registry Identity

NPI1154838175
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameLOUIS SAMUEL REIERCredential: D.O.
Location Address400 N PEPPER AVEColton, CA 92324-1819
Mailing Address400 N Pepper AveColton, CA 92324-1819 · (909) 580-3496 · Fax (909) 580-3332
Fax(909) 580-3332
Sole ProprietorNo
Enumeration DateDecember 29, 2017
Last NPPES UpdateJune 17, 20262 updates tracked since enumeration
NPPES CertifiedJune 17, 2026
NPI 1154838175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in CA · 20A19686
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
400 N PEPPER AVE, Colton, CA 92324

Secondary Practice Location 1

Location 139000 Bob Hope DrRancho Mirage, CA 92270-3202 · Phone (760) 610-8781 · Fax (760) 507-8316

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Louis Samuel Reier D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92324 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Licensed Psychiatric Technician
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse (Psychiatric/Mental Health)
400 N PEPPER AVE
COLTON, CA 92324
General Acute Care Hospital
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse
400 N PEPPER AVE
COLTON, CA 92324
Student in an Organized Health Care Education/Training Program
400 N PEPPER AVE
COLTON, CA 92324
Otolaryngology
400 N PEPPER AVE, MOB SUITE 308
COLTON, CA 92324

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Louis Reier's NPI number?

The NPI number for Louis Reier is 1154838175. It was assigned to this individual provider in the NPPES registry on December 29, 2017.

Where is Louis Reier located?

Louis Reier practices at 400 N Pepper Ave, Colton, CA 92324. The listed phone number is (909) 580-3496.

What is Louis Reier's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Louis Reier enrolled in Medicare?

Yes. Louis Reier is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Louis Reier was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.