CARRIE A RYS NP
NPI 1205123122
Nurse Practitioner - Adult Health in Chelmsford, MA
About Carrie A Rys Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARRIE A RYS NP (NPI 1205123122) is an individual adult health provider in Chelmsford, Massachusetts, licensed in Massachusetts (RN2258311) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Berkshire Medical Center, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Carrie A Rys Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Carrie Rys reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carlisle, MA 01741
- Reassigned Medicare billing, Massachusetts enrollment
- 9 clinicians in this Medicare group
Pittsfield, MA 01201
- Reassigned Medicare billing, Massachusetts enrollment
- 405 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Berkshire Medical Center
Acute Care Hospitals · Pittsfield, MAFairview Hospital
Critical Access Hospitals · Great Barrington, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01824 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
CHELMSFORD, MA 01824
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 Carrie Rys's NPI number?
The NPI number for Carrie Rys is 1205123122. It was assigned to this individual provider in the NPPES registry on June 29, 2011.
Where is Carrie Rys located?
Carrie Rys practices at 290 Littleton Rd Unit 3, Chelmsford, MA 01824. The listed phone number is (978) 685-2460.
What is Carrie Rys's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Carrie Rys enrolled in Medicare?
Yes. Carrie Rys is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Carrie Rys's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carrie Rys reassigns Medicare benefits to 2 organizations: At Care, PLLC (Carlisle, MA) and Berkshire Faculty Services Inc (Pittsfield, MA). Each 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 Carrie Rys's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Carrie Rys affiliated with any hospitals?
According to CMS data, Carrie Rys is affiliated with Berkshire Medical Center and Fairview Hospital.
When was this NPI record last updated?
The NPPES record for Carrie Rys was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Carrie A Rys, NP · NPI 1205123122
Adult Health physician in Chelmsford, Massachusetts. Individual provider, active in the CMS NPPES registry since June 29, 2011.
## Identity
- **NPI:** 1205123122 (Entity type: Individual)
- **Enumerated:** June 29, 2011
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** RN2258311 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 290 LITTLETON RD UNIT 3, Chelmsford, MA 01824-3429
- **Phone:** (978) 685-2460
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): At Care, PLLC (NPI 1548640105, Carlisle, MA); Berkshire Faculty Services Inc (NPI 1548212939, Pittsfield, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** May 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1205123122) · Data from the CMS NPPES public registry.