Ms. Nancy Leigh Dalton-Johnson, RPH
Ms. Nancy Leigh Dalton-Johnson is a Pharmacist provider (Pharmacist) practicing in St Ignatius, MT, registered in the NPPES registry with NPI 1710059621 since 2006. The credential RPH stands for Registered Pharmacist. Practices at Mission Drug LLC (listed at the same practice address in NPPES).
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1710059621 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Ms. Nancy Leigh Dalton-Johnson |
| Credential | RPH |
| Sex | Female |
| Practice address | 110 N. MAIN ST., St Ignatius, MT, 59865 |
| Phone | 4067453000 |
| Fax | 4067453003 |
| Enumeration date | 2006-11-15 |
| Last updated in NPPES | 2007-07-08 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 183500000X | Pharmacist | Primary | 3885 | MT |
RPH — Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3885 | Other | MT | LICENSE |
Copy-ready billing details
Provider: Nancy Dalton-Johnson, RPH NPI: 1710059621 Taxonomy: 183500000X (Pharmacist) Address: 110 N. MAIN ST., St Ignatius, MT, 59865
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1427158492 | Mission Drug LLC | Organization | Community/Retail Pharmacy | St Ignatius, MT |
Verify this record
Cross-check NPI 1710059621 against the authoritative CMS record: view Ms. Nancy Leigh Dalton-Johnson 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.