Dana Marilyn Twombly, FNP-C
Family Nurse Practitioner · Scarborough, ME
Dana Marilyn Twombly, FNP-C is a family nurse practitioner with a practice address in Scarborough, Maine, and NPI 1710686944, issued on Feb 27, 2023. Check the license (Maine CNP221577, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dana Marilyn Twombly
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- CNP221577 ME
RN68411 ME
Self-reported in NPPES; status is on the state search - Practice location
- 96 Campus Dr, Scarborough, ME 04074
- Phone
- (207) 885-9905
- Enumerated
- Feb 27, 2023
- Record last updated
- Jun 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20230621002674); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,274 in Maine → Look up another NPI →
Also registered at 96 Campus Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Warren Alpern, M.D.Cardiovascular Disease Physician1023098951
- Peter Amann, MDFamily Medicine Physician1639107840
- Erik Andrews, MDClinical Cardiac Electrophysiology Physician1811427529
- Lyssa AngisNurse Practitioner1235827551
- Shiva Annamalai, MDCardiovascular Disease Physician1972915544
- Robert Bender, DOCardiovascular Disease Physician1063476521
Verify Dana Marilyn Twombly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP221577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average family nurse practitioner in 2024
1,733 Medicare Part D claims for 439 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Eliquis177 claims
- Torsemide162 claims
- Metoprolol Succinate155 claims
- Spironolactone141 claims
- Potassium Chloride113 claims
- Entresto99 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
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dana Marilyn Twombly among 1,274 family nurse practitioner records in Maine
Dana Marilyn Twombly, FNP-C is one of 1,274 family nurse practitioner records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 84% of them.
- NPI issued2023 · 84% of these records are older, 11% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2022 · median 2018 among the 811 with a school on file
- Record last updated2023 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
70 family nurse practitioner records list a practice address in Scarborough
They are 70 of the 1,043 NPPES records with a practice address in Scarborough, and 1,274 family nurse practitioner records in Maine.
All 1,274 in Maine → Every provider in Scarborough → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Colette Beaumont, RNNPScarborough, ME 040741790834588
- Deanna Bennett, NPScarborough, ME 040741336175363
- Lori Brodsky, NPScarborough, ME 040741164534822
- Jean Cass, FNPScarborough, ME 040741215029970
- Heather Chase, NP-CScarborough, ME 040741013240571
- Sheri Clark, FNPScarborough, ME 040741821095241
- Cynthia Heelan, FNPScarborough, ME 040741225283229
- Liana Kelly, FNPScarborough, ME 040741649312638
Common questions
What is Dana Marilyn Twombly, FNP-C's NPI number?
Dana Marilyn Twombly, FNP-C's National Provider Identifier (NPI) is 1710686944, issued on Feb 27, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Dana Marilyn Twombly, FNP-C located?
The NPPES record lists a practice address at 96 Campus Dr, Scarborough, ME, 04074. Phone: (207) 885-9905. Providers update this record themselves, so call before visiting.
How can I verify Dana Marilyn Twombly, FNP-C's license?
NPPES lists Maine license number CNP221577, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Dana Marilyn Twombly, FNP-C prescribe under Medicare Part D?
In 2024, Dana Marilyn Twombly, FNP-C had 1,733 Medicare Part D claims for 439 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.