DR. SARAH SON-THEROUX DNP-FNP
NPI 1023856895
Nurse Practitioner in Sandwich, MA

Active since July 17, 2024PECOS Enrolled
2 JAN SEBASTIAN DR STE 100C, SANDWICH, MA 02563(508) 833-8247 Get Directions Write a Review

NPPES record last updated: July 17, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Sarah Son-theroux Dnp-fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SARAH SON-THEROUX DNP-FNP (NPI 1023856895) is an individual nurse practitioner in Sandwich, Massachusetts, licensed in Massachusetts (RN2303284) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023856895
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameDR. SARAH SON-THEROUXCredential: DNP-FNP
Location Address2 JAN SEBASTIAN DR STE 100CSandwich, MA 02563-2382
Mailing AddressPo Box 24West Barnstable, MA 02668-0024 · (508) 367-5895
Sole ProprietorNo
Enumeration DateJuly 17, 2024
NPPES CertifiedMay 25, 2024
✔ NPI 1023856895 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MA · RN2303284
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
2 JAN SEBASTIAN DR STE 100C, Sandwich, MA 02563

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sarah Son-theroux Dnp-fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Sarah Son-theroux reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
27 PARK ST, GLEASON HOUSE
Hyannis, MA 02601
  • Reassigned Medicare billing, Massachusetts enrollment
  • 423 clinicians in this Medicare group
Clinical
150 LINCOLN ST
Needham, MA 02492
  • Reassigned Medicare billing, Massachusetts enrollment
  • 240 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02563 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Son-theroux's NPI number?

The NPI number for Sarah Son-theroux is 1023856895. It was assigned to this individual provider in the NPPES registry on July 17, 2024.

Where is Sarah Son-theroux located?

Sarah Son-theroux practices at 2 Jan Sebastian Dr Ste 100C, Sandwich, MA 02563. The listed phone number is (508) 833-8247.

What is Sarah Son-theroux's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Sarah Son-theroux enrolled in Medicare?

Yes. Sarah Son-theroux is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sarah Son-theroux's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Son-theroux reassigns Medicare benefits to 2 organizations: Medical Affiliates Of Cape Cod, Inc. (Hyannis, MA) and Supportive Behavioral Care Of Ma LLC (Needham, 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 Sarah Son-theroux'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 Sarah Son-theroux was last updated on July 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.