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General Surgery

Alaina D. Geary, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Alaina D. Geary, MD is a general surgeon at 55 Fruit St, Boston, MA 02114. Phone: (617) 724-0287. Accepts Medicare assignment. NPI 1760844369. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 55 Fruit St, Boston, MA 02114 · Directions
  • Phone: (617) 724‑0287
  • Medicare: Accepts Medicare assignment
  • Hospitals: Boston Medical Center, Massachusetts General Hospital
  • Group practice: Massachusetts General Physicians Organization Inc
  • Medical school: Tufts University School Of Medicine · graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Alaina D. Geary, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Alaina D. Geary accept Medicare assignment?
Yes. Medicare's clinician data says Alaina D. Geary accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Alaina D. Geary's NPI number?
1760844369. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alaina D. Geary works

Medicare's Facility Affiliation Data lists Alaina D. Geary at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Alaina D. Geary is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alaina D. Geary as a member of this group (CMS data updated October 2, 2026).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group

Specialties

Find other General Surgery doctors in Massachusetts →

Other general surgeons in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All general surgeons in Boston →

Other clinicians in Massachusetts General Physicians Organization Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760844369
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians