MELANIE OSTIGUY
NPI 1164214466
Nurse Practitioner - Adult Health in Keene, NH
About Melanie Ostiguy NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELANIE OSTIGUY (NPI 1164214466) is an individual adult health provider in Keene, New Hampshire, licensed in New Hampshire (114122-23) and active in the NPI registry since May 2025. She is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
Accepted 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
Melanie Ostiguy 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 Reassignments
3Medicare enrollment records show Melanie Ostiguy reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 450 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHCheshire Medical Center
Acute Care Hospitals · Keene, NHValley Regional Hospital
Critical Access Hospitals · Claremont, NHBrattleboro Memorial Hospital
Acute Care Hospitals · Brattleboro, VTGrace Cottage Hospital
Critical Access Hospitals · Townshend, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03431 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.
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 Melanie Ostiguy's NPI number?
The NPI number for Melanie Ostiguy is 1164214466. It was assigned to this individual provider in the NPPES registry on May 21, 2025.
Where is Melanie Ostiguy located?
Melanie Ostiguy practices at 580 Court St, Keene, NH 03431. The listed phone number is (603) 354-5400.
What is Melanie Ostiguy's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Melanie Ostiguy enrolled in Medicare?
Yes. Melanie Ostiguy 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 organizations bill Medicare for Melanie Ostiguy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melanie Ostiguy reassigns Medicare benefits to 3 organizations: Cheshire Medical Center (Keene, NH), Dartmouth-Hitchcock Clinic (Keene, NH) and Mary Hitchcock Memorial Hospital (Lebanon, NH). 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 Melanie Ostiguy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melanie Ostiguy accept?
Health plans from Ambetter from NH Healthy Families and Anthem Blue Cross and Blue Shield list Melanie Ostiguy 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 Melanie Ostiguy affiliated with any hospitals?
According to CMS data, Melanie Ostiguy is affiliated with Mary Hitchcock Memorial Hospital, Cheshire Medical Center, Valley Regional Hospital, Brattleboro Memorial Hospital and Grace Cottage Hospital.
When was this NPI record last updated?
The NPPES record for Melanie Ostiguy was last updated on June 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Melanie Ostiguy · NPI 1164214466
Adult Health physician in Keene, New Hampshire. Individual provider, active in the CMS NPPES registry since May 21, 2025.
## Identity
- **NPI:** 1164214466 (Entity type: Individual)
- **Enumerated:** May 21, 2025
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 114122-23 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 580 COURT ST, Keene, NH 03431-1729
- **Phone:** (603) 354-5400
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Cheshire Medical Center (NPI 1306349444, Keene, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Mary Hitchcock Memorial Hospital (NPI 1023092053, Lebanon, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** June 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1164214466) · Data from the CMS NPPES public registry.