Kathryn L. Regan, OD, MS
Optometrist · Portland, ME
Kathryn L. Regan, OD, MS is an optometrist with a practice address in Portland, Maine, and NPI 1043985914, issued on Aug 12, 2021. Check the license with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn L. Regan
- Credential
- OD, MS
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- OPT.0003866 CO
OPT-002524 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 295 Park Ave, Portland, ME 04102
- Phone
- (207) 874-2141
- Enumerated
- Aug 12, 2021
- Record last updated
- Apr 28, 2025
- Fax
- (207) 874-2164
- Medicare enrollment
- Enrolled (PECOS I20240813000894); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2021
- Entity
- Type 1 · individual
8 nearest optometrist records → All 310 in Maine → Look up another NPI →
Also registered at 295 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susannah Daggett, MDFamily Medicine Physician1013667997
Verify Kathryn L. Regan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Portland Community Health CenterPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn L. Regan among 310 optometrist records in Maine
Kathryn L. Regan, OD, MS 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).
Optometrist providers in Maine
There are 310 optometrist records in Maine.
All 310 in Maine → Every provider in Portland → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Nirupama Aggarwal, ODPortland, ME 041021871599928
- Jill Amundson, ODPortland, ME 041021710983861
- Michael Anastasio, O.D.Portland, ME 041021578552980
- Robert Banglmaier, ODPortland, ME 041021659360345
- Peter Hall, D.V.M ., O.D.Portland, ME 041021972562734
- Katherine Hill, O.D.Portland, ME 041021255767620
- Charles JohnsonPortland, ME 041021811553845
- David Lowell, O.D.Portland, ME 041021770684177
Common questions
What is Kathryn L. Regan, OD, MS's NPI number?
Kathryn L. Regan, OD, MS's National Provider Identifier (NPI) is 1043985914, issued on Aug 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn L. Regan, OD, MS located?
The NPPES record lists a practice address at 295 Park Ave, Portland, ME, 04102. Phone: (207) 874-2141. Providers update this record themselves, so call before visiting.
How can I verify Kathryn L. Regan, OD, MS's license?
Search the Maine board that licenses this profession; the NPPES record confirms identity 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.