NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark Colonna, DDS

General Practice Dentistry in Whitefish, MT · enumerated 2007.

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

National Provider Identifier

1316157894

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Mark Colonna
Credential DDS
Sex Male
Practice address 6516 Us Highway 93 S, Whitefish, MT, 59937
Phone (406) 862-1010
Fax (406) 863-9090
Enumeration date May 23, 2007
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 1887 (MT) Primary
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Other identifiers

Identifier Type State Issuer
01887-4 Other MT BLUECROSS BLUE SHEILD
5511349 Other MT BCBS CHIPS

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 Mark Colonna?
The National Provider Identifier (NPI) for Mark Colonna is 1316157894, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Colonna practice?
The practice location on file with NPPES is in Whitefish, 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 2007-07-08.