Karen Andrea Fisher, FNP-BC
Family Nurse Practitioner · Sudbury, MA
Karen Andrea Fisher, FNP-BC is a family nurse practitioner with a practice address in Sudbury, Massachusetts, and NPI 1750082095, issued on Mar 14, 2023. Check the license (Massachusetts RN2298958, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Andrea Fisher
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2298958 MA
Self-reported in NPPES; status is on the state search - Practice location
- 501 Boston Post RD, Sudbury, MA 01776
- Phone
- (978) 443-7141
- Enumerated
- Mar 14, 2023
- Record last updated
- Feb 19, 2026
- Medicare enrollment
- Enrolled (PECOS I20230501002410); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 501 Boston Post RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindy BlanchflowerPharmacist1356945414
- Hayley Deangelis, NPFamily Nurse Practitioner1326595240
- Spiro KanellosPharmacist1457956443
- Amanda RileyFamily Nurse Practitioner1609252667
- Marilyn Seuffert, NPFamily Nurse Practitioner1609924356
- Sandy Tan, MSN, FNPFamily Nurse Practitioner1659619708
Verify Karen Andrea Fisher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2298958Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family nurse practitioner in 2024
87 Medicare Part D claims for 63 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass13 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
- Minuteclinic Diagnostic OF Massachusetts, LLCDanvers, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Andrea Fisher among 4,724 family nurse practitioner records in Massachusetts
Karen Andrea Fisher, FNP-BC is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% 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 79% of them.
- NPI issued2023 · 79% of these records are older, 14% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2019 among the 2,704 with a school on file
- Record last updated2026 · 42% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 family nurse practitioner records list a practice address in Sudbury
They are 9 of the 281 NPPES records with a practice address in Sudbury, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Sudbury → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Raina Basak, FNP-BCSudbury, MA 017761902689805
- Hayley Deangelis, NPSudbury, MA 017761326595240
- Lisa Lincoln, NPSudbury, MA 017761972234581
- Ashleigh Lindsay, NPSudbury, MA 017761346864451
- Amanda RileySudbury, MA 017761609252667
- Marilyn Seuffert, NPSudbury, MA 017761609924356
- Sandy Tan, MSN, FNPSudbury, MA 017761659619708
- Stephen Vanderels, NPSudbury, MA 017761336507193
Common questions
What is Karen Andrea Fisher, FNP-BC's NPI number?
Karen Andrea Fisher, FNP-BC's National Provider Identifier (NPI) is 1750082095, issued on Mar 14, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Karen Andrea Fisher, FNP-BC located?
The NPPES record lists a practice address at 501 Boston Post RD, Sudbury, MA, 01776. Phone: (978) 443-7141. Providers update this record themselves, so call before visiting.
How can I verify Karen Andrea Fisher, FNP-BC's license?
NPPES lists Massachusetts license number RN2298958, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Andrea Fisher, FNP-BC prescribe under Medicare Part D?
In 2024, Karen Andrea Fisher, FNP-BC had 87 Medicare Part D claims for 63 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.