Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Sarah Jost-Haynes

Works at hospitals in Exeter, NH · New Hampshire

Summary

Sarah Jost-Haynes is an OB-GYN at 3 Alumni Dr, Suite 401, Exeter, NH 03833. Phone: (603) 778-0557. Accepts Medicare assignment. NPI 1295362853. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 3 Alumni Dr, Suite 401, Exeter, NH 03833 · Directions
  • Phone: (603) 778‑0557
  • Medicare: Accepts Medicare assignment
  • Hospital: Exeter Hospital Inc
  • Group practice: Core Physicians LLC
  • Medical school: University Of Vermont College Of Medicine · graduated 2020 (6 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah Jost-Haynes, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sarah Jost-Haynes accept Medicare assignment?
Yes. Medicare's clinician data says Sarah Jost-Haynes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Sarah Jost-Haynes's NPI number?
1295362853. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sarah Jost-Haynes works

Medicare's Facility Affiliation Data lists Sarah Jost-Haynes at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Exeter Hospital IncExeter, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300023

Practice locations

Addresses where Sarah Jost-Haynes is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sarah Jost-Haynes as a member of this group (CMS data updated October 2, 2026).

  • Core Physicians LLC289 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New Hampshire →

Other OB-GYNs in Exeter

Clinicians with the same Medicare primary specialty in Exeter, NH — not a recommendation.

All OB-GYNs in Exeter →

Other clinicians in Core Physicians LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Medical schoolUniversity Of Vermont College Of Medicine
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295362853
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians