Mark E. Elkinson, OD PA
Optometrist · South Portland, ME
Mark E. Elkinson, OD PA is an optometrist with a practice address in South Portland, Maine, and NPI 1336233931, issued on Oct 3, 2006. Check the license (Maine OPT758, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark E. Elkinson
- Credential
- OD PA
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT758 ME
Self-reported in NPPES; status is on the state search - Practice location
- 200 Gorham RD, South Portland, ME 04106
- Phone
- (207) 761-9054
- Enumerated
- Oct 3, 2006
- Record last updated
- Nov 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (207) 879-9003
- Medicaid ID
- 120910000 ME
- Medicare enrollment
- Enrolled (PECOS I20040614000905); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 1989
- Entity
- Type 1 · individual
8 nearest optometrist records → All 310 in Maine → Look up another NPI →
Verify Mark E. Elkinson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license OPT758Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average optometrist in 2024
192 Medicare Part D claims for 56 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Latanoprost67 claims
- Tobramycin-Dexamethasone27 claims
- Doxycycline Hyclate19 claims
- Brimonidine Tartrate17 claims
- Timolol Maleate13 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.
Mark E. Elkinson among 310 optometrist records in Maine
Mark E. Elkinson, OD PA 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 50% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1989 · median 2008 among the 212 with a school on file
- Record last updated2012 · 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).
Optometrist providers in Maine
There are 310 optometrist records in Maine.
All 310 in Maine → Every provider in South Portland → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Amy Abbott, O.D.South Portland, ME 041061578663365
- Samantha Burrill, ODSouth Portland, ME 041061265026470
- Abigail Delahanty, ODSouth Portland, ME 041061790254134
- Shannon Farr, ODSouth Portland, ME 041061215915590
- Roger Gagnon, O.D.South Portland, ME 041061124128913
- Krishna Krithivas, O.D.South Portland, ME 041061760441042
- Peter Morse, O.D.South Portland, ME 041061407807126
- Jonathan Olmes, ODSouth Portland, ME 041061245786987
Common questions
What is Mark E. Elkinson, OD PA's NPI number?
Mark E. Elkinson, OD PA's National Provider Identifier (NPI) is 1336233931, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark E. Elkinson, OD PA located?
The NPPES record lists a practice address at 200 Gorham RD, South Portland, ME, 04106. Phone: (207) 761-9054. Providers update this record themselves, so call before visiting.
How can I verify Mark E. Elkinson, OD PA's license?
NPPES lists Maine license number OPT758, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Mark E. Elkinson, OD PA prescribe under Medicare Part D?
In 2024, Mark E. Elkinson, OD PA had 192 Medicare Part D claims for 56 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.