Elizabeth J. O'Mara, FNP-BC
Family Nurse Practitioner · Islesboro, ME
Elizabeth J. O'Mara, FNP-BC is a family nurse practitioner with a practice address in Islesboro, Maine, and NPI 1083339352, issued on Oct 10, 2022. Check the license (Maine CNP221281, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth J. O'Mara
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- CNP221281 ME
Self-reported in NPPES; status is on the state search - Practice location
- 150 Main RD, Islesboro, ME 04848
- Phone
- (207) 734-2213
- Enumerated
- Oct 10, 2022
- Record last updated
- Oct 10, 2022
- Fax
- (207) 734-8392
- Medicare enrollment
- Enrolled (PECOS I20250422000239); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 150 Main RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Bates-Withers, PA-CPhysician Assistant1033546890
- Emily Davis, LCPCProfessional Counselor1689439275
- Dorie Weir, FNPFamily Nurse Practitioner1861558488
Verify Elizabeth J. O'Mara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP221281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average family nurse practitioner in 2024
600 Medicare Part D claims for 122 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate52 claims
- Rosuvastatin Calcium35 claims
- Doxycycline Monohydrate33 claims
- Losartan Potassium19 claims
- Quetiapine Fumarate19 claims
- Levothyroxine Sodium18 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.
Bills Medicare through one group practice
- Town OF IslesboroIslesboro, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 family nurse practitioner records list a practice address in Islesboro
They are 2 of the 13 NPPES records with a practice address in Islesboro, and 1,274 family nurse practitioner records in Maine.
All 2 in Islesboro → All 1,274 in Maine → Every provider in Islesboro →
Other family nurse practitioner records in Maine
- Jessica Abbatiello, NP-CPortland, ME1871811737
- Susan Abbott, FNP-CWaterville, ME1366776007
- Tammy Abbott, NPLewiston, ME1578199246
- Samuel Acha, FNP-BCWestbrook, ME1053832113
- Shannon Achorn, NPRockland, ME1891594271
- Christa Adams, FNPLewiston, ME1215697891
- Chrystal Adams, FNPBangor, ME1235180209
- Sarah Adams, NPLewiston, ME1891933677
- Katharine Addicott, FNPPortland, ME1013032036
- Allison Ainsworth, NPFort Fairfield, ME1487710505
Common questions
What is Elizabeth J. O'Mara, FNP-BC's NPI number?
Elizabeth J. O'Mara, FNP-BC's National Provider Identifier (NPI) is 1083339352, issued on Oct 10, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth J. O'Mara, FNP-BC located?
The NPPES record lists a practice address at 150 Main RD, Islesboro, ME, 04848. Phone: (207) 734-2213. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth J. O'Mara, FNP-BC's license?
NPPES lists Maine license number CNP221281, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Elizabeth J. O'Mara, FNP-BC prescribe under Medicare Part D?
In 2024, Elizabeth J. O'Mara, FNP-BC had 600 Medicare Part D claims for 122 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.