MRS. MARGARET ANNE BUFF ARNP
NPI 1285745463
Nurse Practitioner - Psychiatric/Mental Health in Amherst, NH
About Mrs. Margaret Anne Buff Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARGARET ANNE BUFF ARNP (NPI 1285745463) is an individual psychiatric/mental health provider in Amherst, New Hampshire, licensed in New Hampshire (023037-23-08) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mrs. Margaret Anne Buff Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margaret Buff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Nashua, NH 03062
- Reassigned Medicare billing, New Hampshire enrollment
- 8 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03031 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
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 Margaret Buff's NPI number?
The NPI number for Margaret Buff is 1285745463. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Margaret Buff located?
Margaret Buff practices at 135 State Route 101A, Amherst, NH 03031. The listed phone number is (603) 880-7610.
What is Margaret Buff's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Margaret Buff enrolled in Medicare?
Yes. Margaret Buff is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margaret Buff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Buff reassigns Medicare benefits to Spidaliere Psychological Associates, LLC (Nashua, 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 Margaret Buff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Buff accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and WellSense Health Plan list Margaret Buff 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.
When was this NPI record last updated?
The NPPES record for Margaret Buff was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Mrs. Margaret Anne Buff, ARNP · NPI 1285745463
Psychiatric/Mental Health physician in Amherst, New Hampshire. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1285745463 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 023037-23-08 (New Hampshire)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 135 STATE ROUTE 101A, Amherst, NH 03031-2248
- **Phone:** (603) 880-7610 · **Fax:** (603) 880-7611
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Spidaliere Psychological Associates, LLC (NPI 1417203324, Nashua, NH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified NP4401 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1285745463) · Data from the CMS NPPES public registry.