NPPES file of Aug 9, 2026

Deborah Dicastro-Schaffer, ARNP

Family Nurse Practitioner · Lancaster, NH

Deborah Dicastro-Schaffer, ARNP is a family nurse practitioner with a practice address in Lancaster, New Hampshire, and NPI 1003091737, issued on Dec 31, 2007. Check the license (New Hampshire 057035-23, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003091737
Name
Deborah Dicastro-Schaffer
Credential
ARNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
057035-23 NH
ARNP9361210 FL
Self-reported in NPPES; status is on the state search
Practice location
173 Middle St, Lancaster, NH 03584
Phone
(603) 788-4911
Enumerated
Dec 31, 2007
Record last updated
Sep 27, 2022
Fax
(603) 788-5607
Medicare enrollment
Enrolled (PECOS I20220824002459); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 173 Middle St

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

  1. Kelsey AlexanderSpeech-Language Pathologist1558879981
  2. Tessa Allen, PA-CPhysician Assistant1356996847
  3. Susy Astuto, NP-CFamily Nurse Practitioner1740619774
  4. Brian Baxter, OTOccupational Therapist1598967085
  5. Jean Benson, MDEmergency Medicine Physician1558367995
  6. Alyson Blanchette, OTR/LPhysical Rehabilitation Occupational Therapist1043047251

Verify Deborah Dicastro-Schaffer 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 057035-23
    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
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87% fewer Medicare Part D claims than the average family nurse practitioner in 2024

167 Medicare Part D claims for 88 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 12 claims were for opioids.

  1. Deborah Dicastro-Schaffer167
  2. Specialty average1,305

Most prescribed

  1. Metoprolol Succinate11 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.

One hospital affiliation

  1. Weeks Medical CenterLancaster, NH · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

4 family nurse practitioner records list a practice address in Lancaster

They are 4 of the 94 NPPES records with a practice address in Lancaster, and 1,377 family nurse practitioner records in New Hampshire.

Other family nurse practitioner records in New Hampshire

  1. Elibel AbanillaDerry, NH1043776511
  2. Maria Abbate, NPLebanon, NH1669683637
  3. Judith Abbe, APRNConcord, NH1528057031
  4. Cara Abbott, APRNLee, NH1285132258
  5. Kristina Abbott, FNP-CKeene, NH1578368916
  6. Lauren Abbott, APRNDerry, NH1093137820
  7. McCall Abbott, APRNLebanon, NH1396292454
  8. Janet Abreu, APRNPelham, NH1225447691
  9. Elizandra Adams, FNPWindham, NH1699529123
  10. Jenna Adams, N.P.Portsmouth, NH1235687658

Common questions

What is Deborah Dicastro-Schaffer, ARNP's NPI number?

Deborah Dicastro-Schaffer, ARNP's National Provider Identifier (NPI) is 1003091737, issued on Dec 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Deborah Dicastro-Schaffer, ARNP located?

The NPPES record lists a practice address at 173 Middle St, Lancaster, NH, 03584. Phone: (603) 788-4911. Providers update this record themselves, so call before visiting.

How can I verify Deborah Dicastro-Schaffer, ARNP's license?

NPPES lists New Hampshire license number 057035-23, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

How much does Deborah Dicastro-Schaffer, ARNP prescribe under Medicare Part D?

In 2024, Deborah Dicastro-Schaffer, ARNP had 167 Medicare Part D claims for 88 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.