NPPES file of Aug 9, 2026

Brendan Stephen Allison, DO

Hospitalist Physician · Biddeford, ME

Brendan Stephen Allison, DO is a hospitalist physician with a practice address in Biddeford, Maine, and NPI 1679034136, issued on Mar 27, 2019. Check the license (Maine DO3777, as entered in NPPES) on the Maine Board of Licensure in Medicine; 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
1679034136
Name
Brendan Stephen Allison
Credential
DO
Primary taxonomy
Hospitalist Physician 208M00000X
License number
DO3777 ME
Self-reported in NPPES; status is on the state search
Practice location
1 Medical Center Dr, Biddeford, ME 04005
Phone
(207) 283-7937
Enumerated
Mar 27, 2019
Record last updated
Oct 29, 2024
Medicare enrollment
Enrolled (PECOS I20240515000939); accepts Medicare assignment
Medical or professional school
University Of New England, College Of Osteo Medicine, 2019
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 1 Medical Center Dr

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

  1. Adedeji Ademiluyi, MDHospitalist Physician1467013268
  2. Kate Anderson, PT, DPTGeriatric Physical Therapist1205495330
  3. Fernanda Asel, PA-CPhysician Assistant1235080987
  4. Ryan Babinsky, CRNACertified Registered Nurse Anesthetist1578055687
  5. Anthony Bambara, M.D.Hospitalist Physician1104205293
  6. Hannah BambrickAcute Care Nurse Practitioner1760237937

Verify Brendan Stephen Allison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license DO3777
    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
Open the Maine 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.

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3.3 times the Medicare Part D claims of the average hospitalist physician in 2024

1,699 Medicare Part D claims for 292 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 116 claims were for opioids.

  1. Brendan Allison1,699
  2. Specialty average521

Most prescribed

  1. Amlodipine Besylate80 claims
  2. Atorvastatin Calcium79 claims
  3. Lisinopril67 claims
  4. Rosuvastatin Calcium64 claims
  5. Losartan Potassium63 claims
  6. Oxycodone Hcl55 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.

Bills Medicare through one group practice

  1. MainehealthBiddeford, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Brendan Stephen Allison among 245 hospitalist physician records in Maine

Brendan Stephen Allison, DO is one of 245 hospitalist physician records with a practice address in Maine. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 77% of them.

  • NPI issued2019 · 77% of these records are older, 19% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated2019 · median 2012 among the 206 with a school on file
  • Record last updated2024 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 hospitalist physician records list a practice address in Biddeford

They are 18 of the 905 NPPES records with a practice address in Biddeford, and 245 hospitalist physician records in Maine.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Adedeji Ademiluyi, MDBiddeford, ME 040051467013268
  2. Anthony Bambara, M.D.Biddeford, ME 040051104205293
  3. William Cullen, MDBiddeford, ME 040051679531552
  4. Frank Green, DOBiddeford, ME 040051316024862
  5. Mark Grohman, D.O.Biddeford, ME 040051538393541
  6. Gregory Leach, MDBiddeford, ME 040051538246095
  7. Bonnie Patrick, MDBiddeford, ME 040051992856249
  8. Jenna Pearson, D.O.Biddeford, ME 040051528417375

Common questions

What is Brendan Stephen Allison, DO's NPI number?

Brendan Stephen Allison, DO's National Provider Identifier (NPI) is 1679034136, issued on Mar 27, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Brendan Stephen Allison, DO located?

The NPPES record lists a practice address at 1 Medical Center Dr, Biddeford, ME, 04005. Phone: (207) 283-7937. Providers update this record themselves, so call before visiting.

How can I verify Brendan Stephen Allison, DO's license?

NPPES lists Maine license number DO3777, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Brendan Stephen Allison, DO prescribe under Medicare Part D?

In 2024, Brendan Stephen Allison, DO had 1,699 Medicare Part D claims for 292 beneficiaries; the average among hospitalist physician prescribers was 521. 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.