SARAH MARGARET SAALFIELD APRN
NPI 1144351016
Nurse Practitioner - Family in Cambridge, MA
About Sarah Margaret Saalfield Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH MARGARET SAALFIELD APRN (NPI 1144351016) is an individual family provider in Cambridge, Massachusetts, licensed in Massachusetts (280056) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with Cambridge Health Alliance, and is a graduate of Other (2006).
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
Sarah Margaret Saalfield Aprn 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 Reassignment
Medicare enrollment records show Sarah Saalfield reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cambridge Health Alliance
Acute Care Hospitals · Cambridge, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02138 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.
CAMBRIDGE, MA 02138
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 Sarah Saalfield's NPI number?
The NPI number for Sarah Saalfield is 1144351016. It was assigned to this individual provider in the NPPES registry on March 9, 2007.
Where is Sarah Saalfield located?
Sarah Saalfield practices at 725 Concord Ave Suite 2000, Cambridge, MA 02138. The listed phone number is (617) 661-4600.
What is Sarah Saalfield's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Sarah Saalfield enrolled in Medicare?
Yes. Sarah Saalfield 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 organization bills Medicare for Sarah Saalfield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Saalfield reassigns Medicare benefits to Cambridge Public Health Commission (Cambridge, 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 Sarah Saalfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sarah Saalfield affiliated with any hospitals?
According to CMS data, Sarah Saalfield is affiliated with Cambridge Health Alliance.
When was this NPI record last updated?
The NPPES record for Sarah Saalfield was last updated on July 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Sarah Margaret Saalfield, APRN · NPI 1144351016
Family physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since March 9, 2007.
## Identity
- **NPI:** 1144351016 (Entity type: Individual)
- **Enumerated:** March 9, 2007
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 280056 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 725 CONCORD AVE, SUITE 2000, Cambridge, MA 02138-1040
- **Phone:** (617) 661-4600
## 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:** Cambridge Public Health Commission (NPI 1487603585, Cambridge, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** July 22, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1144351016) · Data from the CMS NPPES public registry.