JANET G SWIERZEWSKI NP
NPI 1093089328
Nurse Practitioner - Acute Care in Westfield, MA
About Janet G Swierzewski Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JANET G SWIERZEWSKI NP (NPI 1093089328) is an individual acute care provider in Westfield, Massachusetts, licensed in Massachusetts (RN277573) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS and maintains a secondary practice location in Springfield.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Janet G Swierzewski Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Janet Swierzewski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Springfield, MA 01118
- Reassigned Medicare billing, Massachusetts enrollment
- 144 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01085 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESTFIELD, MA 01085
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Janet Swierzewski's NPI number?
The NPI number for Janet Swierzewski is 1093089328. It was assigned to this individual provider in the NPPES registry on March 5, 2012.
Where is Janet Swierzewski located?
Janet Swierzewski practices at 115 W Silver St, Westfield, MA 01085. The listed phone number is (413) 572-5099.
What is Janet Swierzewski's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Janet Swierzewski enrolled in Medicare?
Yes. Janet Swierzewski is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Janet Swierzewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janet Swierzewski reassigns Medicare benefits to Springfield Anesthesia Service, Inc. (Springfield, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Janet Swierzewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Janet Swierzewski was last updated on October 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Janet G Swierzewski, NP · NPI 1093089328
Acute Care physician in Westfield, Massachusetts. Individual provider, active in the CMS NPPES registry since March 5, 2012.
## Identity
- **NPI:** 1093089328 (Entity type: Individual)
- **Enumerated:** March 5, 2012
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** RN277573 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 115 W SILVER ST, Westfield, MA 01085-3678
- **Phone:** (413) 572-5099 · **Fax:** (413) 572-5141
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Springfield Anesthesia Service, Inc. (NPI 1093768830, Springfield, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 5, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1093089328) · Data from the CMS NPPES public registry.