NPPES file of Aug 9, 2026

Allison E. Shaffer

Nurse Practitioner · Portland, ME

Allison E. Shaffer is a nurse practitioner with a practice address in Portland, Maine, and NPI 1821684457, issued on Dec 17, 2020. Check the license (Maine CNP251331, as entered in NPPES) with the Maine board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821684457
Name
Allison E. Shaffer
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
CNP251331 ME
RN72170 ME
Self-reported in NPPES; status is on the state search
Practice location
17 Bishop St, Portland, ME 04103
Phone
(207) 203-7933
Enumerated
Dec 17, 2020
Record last updated
Sep 5, 2025
Medicare enrollment
Enrolled (PECOS I20251104003533); may accept 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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8 nearest nurse practitioner records → All 450 in Maine → Look up another NPI →

Also registered at 17 Bishop St

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

  1. Faith Barnes, LMSWClinical Social Worker1932259645
  2. Anthony Beattie, LMHC, LCCMental Health Counselor1083753719
  3. Mary Bennett, LCSWClinical Social Worker1588737761
  4. Gavin BlackAddiction (Substance Use Disorder) Counselor1588503346
  5. Randi-Anne Bruneau, LCSW, CADC, CCSClinical Social Worker1609184654
  6. Debra Bunce, PHDClinical Psychologist1629151329

Verify Allison E. Shaffer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license CNP251331    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 Maine license search

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Allison E. Shaffer among 450 nurse practitioner records in Maine

Allison E. Shaffer is one of 450 nurse practitioner records with a practice address in Maine. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 76% of them.

  • NPI issued2020 · 76% of these records are older, 19% newer
  • In a Medicare fileNo · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2025 · median 2017 among the 258 with a school on file
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Maine

There are 450 nurse practitioner records in Maine. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 450 in Maine → Every provider in Portland → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Gina DasilvaPortland, ME 041031174039325
  2. Carleen Knight, NPPortland, ME 041031043589443
  3. Cassandra Powers, NPPortland, ME 041031235482076
  4. Jodie Tompkins, NPPortland, ME 041031548372923
  5. Moriah Vellani, NPPortland, ME 041031366177925
  6. Scott WhitneyPortland, ME 041031235955790
  7. Samuel Burke, FNP-BC, ACNPC-AGPortland, ME 041021821521089
  8. Emily Delldonna, RN, APRNPortland, ME 041021659636611

Common questions

What is Allison E. Shaffer's NPI number?

Allison E. Shaffer's National Provider Identifier (NPI) is 1821684457, issued on Dec 17, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Allison E. Shaffer located?

The NPPES record lists a practice address at 17 Bishop St, Portland, ME, 04103. Phone: (207) 203-7933. Providers update this record themselves, so call before visiting.

How can I verify Allison E. Shaffer's license?

NPPES lists Maine license number CNP251331, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.