Sarah Dowst, CNP
Family Nurse Practitioner · Chelmsford, MA
Sarah Dowst, CNP is a family nurse practitioner with a practice address in Chelmsford, Massachusetts, and NPI 1891382016, issued on Dec 22, 2020. Check the license (Massachusetts RN2306778, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Dowst
- Credential
- CNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2306778 MA
Self-reported in NPPES; status is on the state search - Practice location
- 228 Billerica RD, Chelmsford, MA 01824
- Phone
- (603) 491-3664
- Enumerated
- Dec 22, 2020
- Record last updated
- Dec 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210217002726); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 228 Billerica RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sarah Dowst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2306778Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,169 Medicare Part D claims for 332 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium104 claims
- Rosuvastatin Calcium75 claims
- Amlodipine Besylate63 claims
- Losartan Potassium62 claims
- Simvastatin45 claims
- Lisinopril44 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
- Atrius Health IncChelmsford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Dowst among 4,724 family nurse practitioner records in Massachusetts
Sarah Dowst, CNP 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 2020, is newer than 60% of them.
- NPI issued2020 · 60% of these records are older, 33% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2020 · median 2019 among the 2,704 with a school on file
- Record last updated2020 · 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).
39 family nurse practitioner records list a practice address in Chelmsford
They are 39 of the 937 NPPES records with a practice address in Chelmsford, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Chelmsford → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Elnora Burton, ARNPChelmsford, MA 018241659694768
- Virginia Crowley, F.N.P.Chelmsford, MA 018241538310743
- Rogere Errie, NPChelmsford, MA 018241437487204
- Mary Farrahar, NURSE PRACTITIONERChelmsford, MA 018241316992555
- Kimberly Hall, NPChelmsford, MA 018241760591309
- Heather Hansson, FNP-BCChelmsford, MA 018241407131113
- Breana Kelly, FNP-CChelmsford, MA 018241740678358
- Laurel MartensChelmsford, MA 018241730427899
Common questions
What is Sarah Dowst, CNP's NPI number?
Sarah Dowst, CNP's National Provider Identifier (NPI) is 1891382016, issued on Dec 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Dowst, CNP located?
The NPPES record lists a practice address at 228 Billerica RD, Chelmsford, MA, 01824. Phone: (603) 491-3664. Providers update this record themselves, so call before visiting.
How can I verify Sarah Dowst, CNP's license?
NPPES lists Massachusetts license number RN2306778, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Dowst, CNP prescribe under Medicare Part D?
In 2024, Sarah Dowst, CNP had 1,169 Medicare Part D claims for 332 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.