NPI Portal NPI Lookup & Verification

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).

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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

Where does Nancy Dalton-Johnson practice?
The practice location on file with NPPES is in St Ignatius, MT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Nancy Dalton-Johnson?
The National Provider Identifier (NPI) for Nancy Dalton-Johnson is 1710059621, 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.