Mr. Richard Mark Larson

Mr. Richard Mark Larson is a Pharmacist provider (Pharmacist) practicing in St Ignatius, MT, registered in the NPPES registry with NPI 1215059258 since 2007.

✓ Active NPI ✓ Valid NPI checksum

NPI	1215059258
Entity type	Individual (Type 1)
Name	Mr. Richard Mark Larson
Sex	Male
Practice address	308 MISSION DR, St Ignatius, MT, 59065
Phone	4067453525
Enumeration date	2007-04-03
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
183500000X	Pharmacist	Primary	4500	MT

Copy-ready billing details

Provider: Richard Larson
NPI: 1215059258
Taxonomy: 183500000X (Pharmacist)
Address: 308 MISSION DR, St Ignatius, MT, 59065

Verify this record

Cross-check NPI 1215059258 against the authoritative CMS record: view Mr. Richard Mark Larson 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

What is the NPI number for Richard Larson?

The National Provider Identifier (NPI) for Richard Larson is 1215059258, a Type 1 (individual) record in the CMS NPPES registry.

Where does Richard Larson practice?

The practice location on file with NPPES is in St Ignatius, MT. Providers can have multiple locations; NPPES lists the primary practice address.

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