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General Surgery

Michael Iannamorelli, DO

Works at hospitals in Marlborough, MA · Milford, MA · Southbridge, MA … · Massachusetts

Summary

Michael Iannamorelli, DO (General Surgery) is listed by Medicare at 5 hospitals in Marlborough, MA, Milford, MA and Southbridge, MA and other places. NPI 1922454859. 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 Michael Iannamorelli, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
Lake Erie College Of Osteopathic Medicine, ErieMedical school
MaleGender (as listed)
UMass Memorial Medical Group IncGroup practice

Quick answers

Which hospitals does Michael Iannamorelli work at?
Medicare's official clinician data lists Michael Iannamorelli at 5 hospitals: Marlborough Hospital, Milford Regional Medical Center, UMass Memorial Health - Harrington Hospital, UMass Memorial Healthalliance Hospitals and UMass Memorial Medical Center/University Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael Iannamorelli see patients?
Medicare's clinician data lists 1 practice location in Worcester, MA. Call before your visit to confirm the address.
What is Michael Iannamorelli's specialty?
Medicare lists General Surgery as the primary specialty.
Does Michael Iannamorelli accept Medicare assignment?
Yes. Medicare's clinician data says Michael Iannamorelli 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 the phone number for Michael Iannamorelli?
(508) 334-1000, as listed in official Medicare / NPI Registry data.
What is Michael Iannamorelli's NPI number?
1922454859. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael Iannamorelli works

Medicare's Facility Affiliation Data lists Michael Iannamorelli 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 Michael Iannamorelli is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • UMass Memorial Medical Group Inc2,516 clinicians in the group

Specialties

Find other General Surgery doctors in Massachusetts →

Other general surgeons in Worcester

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

All general surgeons in Worcester →

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922454859
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