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