SAMANTHA OSLOWSKI MSN, RN, AGNP
NPI 1174412506
Nurse Practitioner - Primary Care in Westwood, MA
About Samantha Oslowski Msn, Rn, Agnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMANTHA OSLOWSKI MSN, RN, AGNP (NPI 1174412506) is an individual primary care provider in Westwood, Massachusetts, licensed in Massachusetts (RN2303956) and active in the NPI registry since July 2025. She is enrolled in Medicare PECOS, is affiliated with Newton-wellesley Hospital, and is a graduate of Other (2024).
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
Samantha Oslowski Msn, Rn, Agnp 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 Samantha Oslowski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westwood, MA 02090
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1174545875 (Massachusetts)
- 18 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Newton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02090 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Samantha Oslowski's NPI number?
The NPI number for Samantha Oslowski is 1174412506. It was assigned to this individual provider in the NPPES registry on July 1, 2025.
Where is Samantha Oslowski located?
Samantha Oslowski practices at 100 Brigham Way, Westwood, MA 02090. The listed phone number is (877) 937-8128.
What is Samantha Oslowski's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Samantha Oslowski enrolled in Medicare?
Yes. Samantha Oslowski 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 Samantha Oslowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samantha Oslowski reassigns Medicare benefits to 2 organizations: Mass General Brigham Community Physicians Inc. (Westwood, MA) and Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, 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 Samantha Oslowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Samantha Oslowski affiliated with any hospitals?
According to CMS data, Samantha Oslowski is affiliated with Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.
When was this NPI record last updated?
The NPPES record for Samantha Oslowski was last updated on July 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Samantha Oslowski, MSN, RN, AGNP · NPI 1174412506
Primary Care physician in Westwood, Massachusetts. Individual provider, active in the CMS NPPES registry since July 1, 2025.
## Identity
- **NPI:** 1174412506 (Entity type: Individual)
- **Enumerated:** July 1, 2025
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** RN2303956 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 BRIGHAM WAY, Westwood, MA 02090-2445
- **Phone:** (877) 937-8128
## 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): Mass General Brigham Community Physicians Inc. (NPI 1144707332, Westwood, MA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** July 1, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1174412506) · Data from the CMS NPPES public registry.