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SARAH NATASHA JOST-HAYNES MD
NPI 1295362853
Obstetrics & Gynecology in Exeter, NH

Active since March 24, 2020PECOS EnrolledAccepts Medicare Assignment
3 ALUMNI DR STE 401, EXETER, NH 03833(603) 778-0557(603) 778-1669 Get Directions Write a Review

NPPES record last updated: October 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sarah Natasha Jost-haynes Md NPPES

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

SARAH NATASHA JOST-HAYNES MD (NPI 1295362853) is an individual obstetrics & gynecology provider in Exeter, New Hampshire, licensed in New Hampshire (25528) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Exeter Hospital Inc, and is a graduate of University Of Vermont College Of Medicine (2020).

NPPES Registry Identity

NPI1295362853
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameSARAH NATASHA JOST-HAYNESCredential: MD
Location Address3 ALUMNI DR STE 401Exeter, NH 03833-2123
Mailing Address4 Alumni DrExeter, NH 03833-2118 · (603) 778-0557 · Fax (603) 778-1669
Phone(603) 778-0557
Fax(603) 778-1669
Sole ProprietorNo
Medical School CMSUniversity Of Vermont College Of MedicineGraduated 2020
Enumeration DateMarch 24, 2020
Last NPPES UpdateOctober 16, 2025
NPPES CertifiedOctober 16, 2025
✔ NPI 1295362853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in NH · 25528
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3 ALUMNI DR STE 401, Exeter, NH 03833
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and more.Insurance ›

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 Natasha Jost-haynes Md 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.

PECOS PAC ID1850712563
PECOS Enrollment IDI20240711002084
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 Reassignment

Medicare enrollment records show Sarah Jost-haynes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Core Physicians, LLC
3.9 mi
Family Medicine
4 ALUMNI DR
Exeter, NH 03833
  • Reassigned Medicare billing, New Hampshire enrollment
  • 395 clinicians in this Medicare group
NPI 1336330588 (603) 580-6753

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

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Exeter Hospital Inc

Acute Care Hospitals · Exeter, NH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300023
Location5 Alumni DriveExeter, NH 03833 · Rockingham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03833 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
$132.09 typical visit price
range $57.75 – $174.26
Typical copayment $33.02 (range $14.43 – $43.56)
Most-billed visit code 99204
Established Patient
$71.85 typical visit price
range $18.70 – $142.15
Typical copayment $17.96 (range $4.67 – $35.53)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. PATRICIA M. MCNAMARA ARNP
Nurse Practitioner
3 ALUMNI DR STE 401
EXETER, NH 03833
Rockingham County (603) 778-0557
DR. MARIBETH M. DINICOLA M.D.
Obstetrics & Gynecology
3 ALUMNI DR STE 401
EXETER, NH 03833
Rockingham County (603) 778-0557
KASEY PLOURDE CNM
Advanced Practice Midwife
3 ALUMNI DR STE 401
EXETER, NH 03833
Rockingham County (603) 778-0557
MRS. CAROLINE LASEWICZ ARNP
Advanced Practice Midwife
3 ALUMNI DR STE 401
EXETER, NH 03833
Rockingham County (603) 778-0557
BRITTANY MARDEN
Physician Assistant
3 ALUMNI DR STE 401
EXETER, NH 03833
Rockingham County (603) 778-0557
EMILY TRAVERS DO
Obstetrics & Gynecology
3 ALUMNI DR STE 401
EXETER, NH 03833
Rockingham County (603) 778-0557
LINNEA ERICA MALM CNM
Advanced Practice Midwife
3 ALUMNI DR STE 401
EXETER, NH 03833
Rockingham County (603) 778-0557
KATHLEEN FARRELL
Obstetrics & Gynecology
3 ALUMNI DR STE 401
EXETER, NH 03833
Rockingham County (603) 778-0557

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 Jost-haynes's NPI number?

The NPI number for Sarah Jost-haynes is 1295362853. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Sarah Jost-haynes located?

Sarah Jost-haynes practices at 3 Alumni Dr Ste 401, Exeter, NH 03833. The listed phone number is (603) 778-0557.

What is Sarah Jost-haynes's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Sarah Jost-haynes enrolled in Medicare?

Yes. Sarah Jost-haynes 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 Jost-haynes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Jost-haynes reassigns Medicare benefits to Core Physicians, LLC (Exeter, NH). 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 Jost-haynes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sarah Jost-haynes accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and WellSense Health Plan list Sarah Jost-haynes as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Sarah Jost-haynes affiliated with any hospitals?

According to CMS data, Sarah Jost-haynes is affiliated with Exeter Hospital Inc.

When was this NPI record last updated?

The NPPES record for Sarah Jost-haynes was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.