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Dr. James Gary Olson, D.D.S.

Dr. James Gary Olson is a General Practice Dentistry provider (Dentist) practicing in Damariscotta, ME, registered in the NPPES registry with NPI 1235341900 since 2007. The credential DDS stands for Doctor of Dental Surgery.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1235341900
Entity type Individual (Type 1)
Name Dr. James Gary Olson
Credential D.D.S.
Sex Male
Practice address Damariscotta, ME, 04543
Phone 2075635203
Enumeration date 2007-05-04
Last updated in NPPES 2007-07-08

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
1223G0001X General Practice Dentistry Primary 2187 ME

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details
Provider: James Olson, D.D.S.
NPI: 1235341900
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: Damariscotta, ME, 04543

Other providers at this practice address

NPI Name Type Specialty Location
1861612186 Gregory Albert Individual General Practice Dentistry Damariscotta, ME
1689516478 Cameron Malcolm Individual General Practice Dentistry Damariscotta, ME

Verify this record

Cross-check NPI 1235341900 against the authoritative CMS record: view Dr. James Gary Olson 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 James Olson?
The National Provider Identifier (NPI) for James Olson is 1235341900, a Type 1 (individual) record in the CMS NPPES registry.
Where does James Olson practice?
The practice location on file with NPPES is in Damariscotta, ME. 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.