Sarah L. Alto, FNP
Family Nurse Practitioner · Topsham, ME
Sarah L. Alto, FNP is a family nurse practitioner with a practice address in Topsham, Maine, and NPI 1487934436, issued on Aug 23, 2011. Check the license (Maine CNP111066, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah L. Alto
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- CNP111066 ME
Self-reported in NPPES; status is on the state search - Practice location
- 1 Wellness Way, Topsham, ME 04086
- Phone
- (207) 406-7600
- Enumerated
- Aug 23, 2011
- Record last updated
- Nov 15, 2023
- Fax
- (207) 618-5683
- Medicare enrollment
- Enrolled (PECOS I20111017000299); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,274 in Maine → Look up another NPI →
Also registered at 1 Wellness Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony Caiazzo, APRN-CNPFamily Nurse Practitioner1306436902
- Michelle CharlesonRegistered Nurse1811847494
- Patricia Davis, LCSWClinical Social Worker1366504516
- Debra Francis, NPNurse Practitioner1497483465
- Shannon Gaines, PA-CPhysician Assistant1588277958
- Deirdre Heersink, DOFamily Medicine Physician1417157298
Verify Sarah L. Alto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP111066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average family nurse practitioner in 2024
2,039 Medicare Part D claims for 451 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 72 claims were for opioids.
Most prescribed
- Atorvastatin Calcium177 claims
- Levothyroxine Sodium109 claims
- Amlodipine Besylate94 claims
- Lisinopril57 claims
- Losartan Potassium55 claims
- Omeprazole52 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
- MainehealthTopsham, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah L. Alto among 1,274 family nurse practitioner records in Maine
Sarah L. Alto, FNP 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 2011, is newer than 31% of them.
- NPI issued2011 · 31% of these records are older, 67% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2011 · 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).
6 family nurse practitioner records list a practice address in Topsham
They are 6 of the 184 NPPES records with a practice address in Topsham, and 1,274 family nurse practitioner records in Maine.
All 1,274 in Maine → Every provider in Topsham → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Anthony Caiazzo, APRN-CNPTopsham, ME 040861306436902
- Michael Davis, FNP-BCTopsham, ME 040861942811161
- Mary Lake, FNPTopsham, ME 040861578671871
- Kimberly McGraw, FNP-BC, EMT-P, LMTTopsham, ME 040861598242026
- Teresa Sirois, FNPTopsham, ME 040861396779757
- Nicole Chase, FNP-CStandish, ME 040841467560540
- Amanda Matheny, DNP, APRN, FNP-BCStandish, ME 040841285392217
- Sheena Sisson, FNP-BCStandish, ME 040841740100403
Common questions
What is Sarah L. Alto, FNP's NPI number?
Sarah L. Alto, FNP's National Provider Identifier (NPI) is 1487934436, issued on Aug 23, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Sarah L. Alto, FNP located?
The NPPES record lists a practice address at 1 Wellness Way, Topsham, ME, 04086. Phone: (207) 406-7600. Providers update this record themselves, so call before visiting.
How can I verify Sarah L. Alto, FNP's license?
NPPES lists Maine license number CNP111066, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah L. Alto, FNP prescribe under Medicare Part D?
In 2024, Sarah L. Alto, FNP had 2,039 Medicare Part D claims for 451 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.