Janet G. Swierzewski, NP
Acute Care Nurse Practitioner · Westfield, MA
Janet G. Swierzewski, NP is an acute care nurse practitioner with a practice address in Westfield, Massachusetts, and NPI 1093089328, issued on Mar 5, 2012. Check the license (Massachusetts RN277573, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janet G. Swierzewski
- Credential
- NP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- RN277573 MA
Self-reported in NPPES; status is on the state search - Practice location
- 115 W Silver St, Westfield, MA 01085
- Phone
- (413) 572-5099
- Enumerated
- Mar 5, 2012
- Record last updated
- Oct 5, 2023
- Fax
- (413) 572-5141
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 598 in Massachusetts → Look up another NPI →
Also registered at 115 W Silver St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Janet G. Swierzewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN277573Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average acute care nurse practitioner in 2024
873 Medicare Part D claims for 169 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 75% of claims.
Most prescribed
- Albuterol Sulfate Hfa214 claims
- Trelegy Ellipta191 claims
- Incruse Ellipta64 claims
- Anoro Ellipta46 claims
- Fluticasone Propionate34 claims
- Breo Ellipta29 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.
Janet G. Swierzewski among 598 acute care nurse practitioner records in Massachusetts
Janet G. Swierzewski, NP is one of 598 acute care nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 35% of them.
- NPI issued2012 · 35% of these records are older, 61% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- 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 363LA2100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Massachusetts
There are 598 acute care nurse practitioner records in Massachusetts.
All 598 in Massachusetts → Every provider in Westfield → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Erica Boland, APRNWestfield, MA 010851518210392
- Deloris Green Robinson, NURSE PRACTITIONERWestfield, MA 010851467635102
- Cody ClevelandWest Springfield, MA 010891801643416
- Lori Lyne, NPWilbraham, MA 010951154339554
- Rebecca Hulsey, DNP, APRNPalmer, MA 010691992281257
- Connie Leung, NPPalmer, MA 010691568981504
- Susan Lattanzi, N.P.Springfield, MA 011041093963175
- Paul Pilegi, AGACNP-BCSpringfield, MA 011041073979498
Common questions
What is Janet G. Swierzewski, NP's NPI number?
Janet G. Swierzewski, NP's National Provider Identifier (NPI) is 1093089328, issued on Mar 5, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Janet G. Swierzewski, NP located?
The NPPES record lists a practice address at 115 W Silver St, Westfield, MA, 01085. Phone: (413) 572-5099. Providers update this record themselves, so call before visiting.
How can I verify Janet G. Swierzewski, NP's license?
NPPES lists Massachusetts license number RN277573, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Janet G. Swierzewski, NP prescribe under Medicare Part D?
In 2024, Janet G. Swierzewski, NP had 873 Medicare Part D claims for 169 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.