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

Internal Medicine

Leonard A. Mannarelli, DO

Works at hospitals in North Providence, RI · Rhode Island

Summary

Leonard A. Mannarelli, DO (Internal Medicine) is listed by Medicare at 1 hospital in North Providence, RI. NPI 1982770764. 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 Leonard A. Mannarelli, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
33Years since medical school (graduated 1993)
University Of New England, College Of Osteo MedicineMedical school
MaleGender (as listed)
Prospect Chartercare Physicians LLCGroup practice

Quick answers

Which hospitals does Leonard A. Mannarelli work at?
Medicare's official clinician data lists Leonard A. Mannarelli at 1 hospital: Our Lady of Fatima Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Leonard A. Mannarelli see patients?
Medicare's clinician data lists 1 practice location in Cranston, RI. Call before your visit to confirm the address.
What is Leonard A. Mannarelli's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Leonard A. Mannarelli accept Medicare assignment?
Yes. Medicare's clinician data says Leonard A. Mannarelli 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 Leonard A. Mannarelli?
(401) 944-6889, as listed in official Medicare / NPI Registry data.
What is Leonard A. Mannarelli's NPI number?
1982770764. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Leonard A. Mannarelli works

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

Group practices

Medicare enrollment lists Leonard A. Mannarelli as a member of this group (CMS data updated 2026-10-02).

  • Prospect Chartercare Physicians LLC67 clinicians in the group

Specialties

Find other Internal Medicine doctors in Rhode Island →

Other internal medicine doctors in Cranston

Clinicians with the same Medicare primary specialty in Cranston, RI — not a recommendation.

All internal medicine doctors in Cranston →

Clinician information

CredentialDO
Medical schoolUniversity Of New England, College Of Osteo Medicine
Graduation year1993
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982770764
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