Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mary Catherine Markovic, OD
Optometrist in Ellsworth, ME · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619546306
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Registry record
Entity type Individual (Type 1)
Name Dr. Mary Catherine Markovic
Credential OD
Sex Female
Practice address 82 Water St, Ellsworth, ME, 04605
Phone (207) 667-8615
Enumeration date Jun 17, 2021
Last updated in NPPES Apr 15, 2025
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
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.
Frequently asked questions
What is the NPI number for Mary Markovic?
The National Provider Identifier (NPI) for Mary Markovic is 1619546306, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Markovic practice?
The practice location on file with NPPES is in Ellsworth, ME. 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 2025-04-15.