NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. David Anthony Stock, D.O.

Family Medicine Physician in Box Elder, MT · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1558385948

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. David Anthony Stock
Credential D.O.
Sex Male
Practice address 96 Clinic Rd N, Box Elder, MT, 59521
Phone (406) 395-4486
Fax (406) 395-4138
Enumeration date Jul 27, 2006
Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 9939 (MT) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
805010100 Medicaid ID -

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for David Stock?
The National Provider Identifier (NPI) for David Stock is 1558385948, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Stock practice?
The practice location on file with NPPES is in Box Elder, MT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.