Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hospitalist

Shayan Zaheer, MD

Works at hospitals in Portland, ME · Maine

Summary

Shayan Zaheer, MD (Hospitalist) is listed by Medicare at 1 hospital in Portland, ME. NPI 1134860810. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Shayan Zaheer, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
4Years since medical school (graduated 2022)
MaleGender (as listed)
MaineHealthGroup practice

Quick answers

Which hospitals does Shayan Zaheer work at?
Medicare's official clinician data lists Shayan Zaheer at 1 hospital: MaineHealth Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Shayan Zaheer see patients?
Medicare's clinician data lists 3 practice locations, including Biddeford, ME, Portland, ME and Sanford, ME. Call before your visit to confirm the address.
What is Shayan Zaheer's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Shayan Zaheer accept Medicare assignment?
Yes. Medicare's clinician data says Shayan Zaheer 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 Shayan Zaheer's NPI number?
1134860810. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Shayan Zaheer works

Medicare's Facility Affiliation Data lists Shayan Zaheer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Shayan Zaheer is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1 Medical Ctr DrBiddeford, ME 04005
  • 22 Bramhall StPortland, ME 04102
  • 25 A June StSanford, ME 04073

Group practices

Medicare enrollment lists Shayan Zaheer as a member of this group (CMS data updated 2026-10-02).

  • MaineHealth2,633 clinicians in the group

Specialties

Find other Hospitalist doctors in Maine →

Other hospitalists in Biddeford

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

All hospitalists in Biddeford →

Clinician information

CredentialMD
Graduation year2022
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134860810
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians