NPI Portal NPI Lookup & Verification

Mark E. Eichler, RPH

Mark E. Eichler is a Pharmacist provider (Pharmacist) practicing in Helena, MT, registered in the NPPES registry with NPI 1811984693 since 2005. The credential RPH stands for Registered Pharmacist.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1811984693
Entity type Individual (Type 1)
Name Mark E. Eichler
Credential RPH
Sex Male
Practice address Helena, MT, 59601
Phone 4064575818
Enumeration date 2005-10-05
Last updated in NPPES 2007-07-08

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
183500000X Pharmacist Primary 2935 MT
183500000X Pharmacist Secondary 2371 WY

RPH — Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH credential

Copy-ready billing details
Provider: Mark Eichler, RPH
NPI: 1811984693
Taxonomy: 183500000X (Pharmacist)
Address: Helena, MT, 59601

Verify this record

Cross-check NPI 1811984693 against the authoritative CMS record: view Mark E. Eichler on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Mark Eichler practice?
The practice location on file with NPPES is in Helena, MT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Eichler?
The National Provider Identifier (NPI) for Mark Eichler is 1811984693, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.