Registry data as of Aug 27, 2026

Margaret Buff, ARNP

Psychiatric/Mental Health Nurse Practitioner · Amherst, NH

Margaret Buff, ARNP is a psychiatric/mental health nurse practitioner with a practice address in Amherst, New Hampshire, and NPI 1285745463, issued on Aug 31, 2006. Check the license (New Hampshire 023037-23-08, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1285745463
Name
Margaret Buff
Credential
ARNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
023037-23-08 NH
Self-reported in NPPES; status is on the state search
Practice location
135 State Route 101A, Amherst, NH 03031
Phone
(603) 880-7610
Enumerated
Aug 31, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 135 State Route 101A

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Karen Johnson, LICSWClinical Social Worker1083628762

Verify Margaret Buff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
    Search for license 023037-23-08
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the New Hampshire license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

46% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

487 Medicare Part D claims for 38 beneficiaries, against an average of 895 among the 22,437 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Margaret Buff487
  2. Specialty average895

Most prescribed

  1. Clonazepam53 claims
  2. Lorazepam42 claims
  3. Venlafaxine Hcl Er39 claims
  4. Olanzapine34 claims
  5. Mirtazapine33 claims
  6. Trazodone Hcl29 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $109.57

5 payments, mostly food and beverage; the largest payer was Lundbeck LLC. The 17,205 providers of this specialty with any payment received $975.26 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Margaret Buff$109.57
  2. Specialty average$975.26

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Spidaliere Psychological Associates, LLCNashua, NH

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

5 psychiatric/mental health nurse practitioner records list a Amherst practice address

They are 5 of the 229 NPPES records with a Amherst practice address, and 330 psychiatric/mental health nurse practitioner records in New Hampshire.

Other psychiatric/mental health nurse practitioner records in New Hampshire

  1. Margaret Abbott, APRNConcord, NH1922076983
  2. Yvonne Amune, PMHNPConcord, NH1629797782
  3. Janet Archambault, MSN, ARNP, BSNPortsmouth, NH1922011485
  4. Maverick Arnejo, PMHNPManchester, NH1376461475
  5. Steve Arvin, NPConcord, NH1306906417
  6. Amy Bacon-FordManchester, NH1760789143
  7. Timothy Bailey, PMHNPLebanon, NH1063013423
  8. Victoria Baldasarre, A.P.R.N.Amherst, NH1891079588
  9. Eileen Barry, ARNPConway, NH1558471094
  10. David Batsa, APRNManchester, NH1750137055

Common questions

What is Margaret Buff, ARNP's NPI number?

Margaret Buff, ARNP's National Provider Identifier (NPI) is 1285745463, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Buff, ARNP located?

The NPPES record lists a practice address at 135 State Route 101A, Amherst, NH, 03031. Phone: (603) 880-7610. Providers update this record themselves, so call before visiting.

How can I verify Margaret Buff, ARNP's license?

NPPES lists New Hampshire license number 023037-23-08, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

How much does Margaret Buff, ARNP prescribe under Medicare Part D?

In 2024, Margaret Buff, ARNP had 487 Medicare Part D claims for 38 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 895. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.