Sarah Margaret Saalfield, APRN
Family Nurse Practitioner · Cambridge, MA
Sarah Margaret Saalfield, APRN is a family nurse practitioner with a practice address in Cambridge, Massachusetts, and NPI 1144351016, issued on Mar 9, 2007. Check the license (Massachusetts 280056, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Margaret Saalfield
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 280056 MA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Concord Ave, Cambridge, MA 02138
- Phone
- (617) 661-4600
- Enumerated
- Mar 9, 2007
- Record last updated
- Jul 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080823000102); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 725 Concord Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sarah Margaret Saalfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 280056Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average family nurse practitioner in 2024
342 Medicare Part D claims for 43 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate23 claims
- Atorvastatin Calcium23 claims
- Lisinopril21 claims
- Gabapentin14 claims
- Levothyroxine Sodium13 claims
- Metformin Hcl Er13 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.
Bills Medicare through one group practice
- Cambridge Public Health CommissionCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Margaret Saalfield among 4,724 family nurse practitioner records in Massachusetts
Sarah Margaret Saalfield, APRN is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 9% of them.
- NPI issued2007 · 9% of these records are older, 86% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2006 · median 2019 among the 2,704 with a school on file
- Record last updated2011 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 family nurse practitioner records list a practice address in Cambridge
They are 68 of the 5,145 NPPES records with a practice address in Cambridge, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Cambridge → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Wyatt Biel, FNPCambridge, MA 021381801076831
- Carol Browne, NPCambridge, MA 021381093758427
- Kristen Ferreira, FNP-BCCambridge, MA 021381013975424
- Jenna Foley, NPCambridge, MA 021381053651562
- Shirley Gillies, NPCambridge, MA 021381801854849
- Derek Lichter, FNP-BCCambridge, MA 021381578700563
- Kristen Lipresti, FNPCambridge, MA 021381629495379
- Lisa Luz, FNP-BCCambridge, MA 021381659394435
Common questions
What is Sarah Margaret Saalfield, APRN's NPI number?
Sarah Margaret Saalfield, APRN's National Provider Identifier (NPI) is 1144351016, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Margaret Saalfield, APRN located?
The NPPES record lists a practice address at 725 Concord Ave, Cambridge, MA, 02138. Phone: (617) 661-4600. Providers update this record themselves, so call before visiting.
How can I verify Sarah Margaret Saalfield, APRN's license?
NPPES lists Massachusetts license number 280056, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Margaret Saalfield, APRN prescribe under Medicare Part D?
In 2024, Sarah Margaret Saalfield, APRN had 342 Medicare Part D claims for 43 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.