Olga Alexandra Sill, FNP
Family Nurse Practitioner · Windham, ME
Olga Alexandra Sill, FNP is a family nurse practitioner with a practice address in Windham, Maine, and NPI 1013548650, issued on Feb 3, 2020. Check the license (Maine CNP191071, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Olga Alexandra Sill
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- CNP191071 ME
Self-reported in NPPES; status is on the state search - Practice location
- 582 Roosevelt Trl, Windham, ME 04062
- Phone
- (207) 892-3233
- Enumerated
- Feb 3, 2020
- Record last updated
- Aug 29, 2024
- Fax
- (207) 893-0752
- Medicare enrollment
- Enrolled (PECOS I20200309002275); 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 582 Roosevelt Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Aiello, PA-CPhysician Assistant1235601329
- Samantha Bickford, PA-CPhysician Assistant1225636947
- Sarah Cote, ANPNurse Practitioner1215225362
- Mary Horn, LCPCMental Health Counselor1336024504
- Ashly Jewell, FNPFamily Nurse Practitioner1598406639
- Linda Lavallee, ANP-BCAdult Health Nurse Practitioner1649415845
Verify Olga Alexandra Sill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP191071Check 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
604 Medicare Part D claims for 215 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium47 claims
- Lisinopril28 claims
- Levothyroxine Sodium24 claims
- Sertraline Hcl23 claims
- Metoprolol Succinate20 claims
- Hydrochlorothiazide16 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.
One hospital affiliation
- Central Maine Medical CenterLewiston, ME · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Olga Alexandra Sill among 1,274 family nurse practitioner records in Maine
Olga Alexandra Sill, 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 2020, is newer than 67% of them.
- NPI issued2020 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2018 among the 811 with a school on file
- Record last updated2024 · 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).
10 family nurse practitioner records list a practice address in Windham
They are 10 of the 300 NPPES records with a practice address in Windham, and 1,274 family nurse practitioner records in Maine.
All 1,274 in Maine → Every provider in Windham → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Julie Bailey, NP-CWindham, ME 040621457879314
- Jennifer DowWindham, ME 040621871466615
- Kelly Guildford, NPWindham, ME 040621447015664
- Ashly Jewell, FNPWindham, ME 040621598406639
- Emily Martin, FNPWindham, ME 040621609246834
- Annette O'Gorman, FNP-BC, APRNWindham, ME 040621285693432
- Sonia Righter, FNP-BCWindham, ME 040621801495353
- Robyn Sessler, NP-CWindham, ME 040621316229099
Common questions
What is Olga Alexandra Sill, FNP's NPI number?
Olga Alexandra Sill, FNP's National Provider Identifier (NPI) is 1013548650, issued on Feb 3, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Olga Alexandra Sill, FNP located?
The NPPES record lists a practice address at 582 Roosevelt Trl, Windham, ME, 04062. Phone: (207) 892-3233. Providers update this record themselves, so call before visiting.
How can I verify Olga Alexandra Sill, FNP's license?
NPPES lists Maine license number CNP191071, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Olga Alexandra Sill, FNP prescribe under Medicare Part D?
In 2024, Olga Alexandra Sill, FNP had 604 Medicare Part D claims for 215 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.