Mary Catherine Markovic, OD
Optometrist · Ellsworth, ME
Mary Catherine Markovic, OD is an optometrist with a practice address in Ellsworth, Maine, and NPI 1619546306, issued on Jun 17, 2021. Check the license (Maine OPT1042, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Catherine Markovic
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT1042 ME
Self-reported in NPPES; status is on the state search - Practice location
- 82 Water St, Ellsworth, ME 04605
- Phone
- (207) 667-8615
- Enumerated
- Jun 17, 2021
- Record last updated
- Apr 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20210913003146); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 310 in Maine → Look up another NPI →
Also registered at 82 Water St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Barbay, O.D.Optometrist1265873954
- Roger Brignull, ODOptometrist1700897188
- Michael Gonyea, O.D.Optometrist1851301022
- Kenneth Wich, O.D.Optometrist1861401267
Verify Mary Catherine Markovic in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license OPT1042Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average optometrist in 2024
143 Medicare Part D claims for 39 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Latanoprost69 claims
- Timolol Maleate33 claims
- Dorzolamide-Timolol11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $161.81
6 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Eyes PAEllsworth, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Catherine Markovic among 310 optometrist records in Maine
Mary Catherine Markovic, OD is one of 310 optometrist records with a practice address in Maine. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 86% of them.
- NPI issued2021 · 86% of these records are older, 10% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2021 · median 2008 among the 212 with a school on file
- Record last updated2025 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 optometrist records list a practice address in Ellsworth
They are 6 of the 453 NPPES records with a practice address in Ellsworth, and 310 optometrist records in Maine.
All 310 in Maine → Every provider in Ellsworth → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Paul Albert, O.D.Ellsworth, ME 046051255440467
- Jessica Barbay, O.D.Ellsworth, ME 046051265873954
- Roger Brignull, ODEllsworth, ME 046051700897188
- Michael Gonyea, O.D.Ellsworth, ME 046051851301022
- Kenneth Wich, O.D.Ellsworth, ME 046051861401267
- Brian Hallowell, ODCalais, ME 046191851308977
- Jennifer Kehrer, ODCalais, ME 046191902258361
- Robert Macmannis, ODCalais, ME 046191295742989
Common questions
What is Mary Catherine Markovic, OD's NPI number?
Mary Catherine Markovic, OD's National Provider Identifier (NPI) is 1619546306, issued on Jun 17, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary Catherine Markovic, OD located?
The NPPES record lists a practice address at 82 Water St, Ellsworth, ME, 04605. Phone: (207) 667-8615. Providers update this record themselves, so call before visiting.
How can I verify Mary Catherine Markovic, OD's license?
NPPES lists Maine license number OPT1042, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Catherine Markovic, OD prescribe under Medicare Part D?
In 2024, Mary Catherine Markovic, OD had 143 Medicare Part D claims for 39 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.