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Hematology/Oncology

Aaron R. Weiss, DO

Sees patients in Scarborough, ME · Portland, ME · Maine

Summary

Aaron R. Weiss, DO (Hematology/Oncology) is enrolled with Medicare at 2 practice locations in Scarborough, ME and Portland, ME. NPI 1013945708. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Aaron R. Weiss, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
Philadelphia College Of Osteopathic MedicineMedical school
MaleGender (as listed)
MaineHealthGroup practice

Quick answers

Where does Aaron R. Weiss see patients?
Medicare's clinician data lists 2 practice locations, including Scarborough, ME and Portland, ME. Call before your visit to confirm the address.
What is Aaron R. Weiss's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Pediatric Medicine.
Does Aaron R. Weiss accept Medicare assignment?
Yes. Medicare's clinician data says Aaron R. Weiss accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is Aaron R. Weiss's NPI number?
1013945708. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Aaron R. Weiss is enrolled with Medicare (CMS data updated 2026-10-02).

  • 100 Campus DrScarborough, ME 04074
  • 22 Bramhall StPortland, ME 04102

Group practices

Medicare enrollment lists Aaron R. Weiss as a member of this group (CMS data updated 2026-10-02).

  • MaineHealth2,633 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Maine →

Other hematologist-oncologists in Scarborough

Clinicians with the same Medicare primary specialty in Scarborough, ME — not a recommendation.

All hematologist-oncologists in Scarborough →

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013945708
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians