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Clinical Psychologist

Marissa Alliegro

Works at hospitals in Minneapolis, MN · Minnesota

Summary

Marissa Alliegro (Clinical Psychologist) is listed by Medicare at 1 hospital in Minneapolis, MN. NPI 1134843303. 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 Marissa Alliegro, 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

Clinical PsychologistPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
FemaleGender (as listed)
Hennepin Healthcare System IncGroup practice

Quick answers

Which hospitals does Marissa Alliegro work at?
Medicare's official clinician data lists Marissa Alliegro at 1 hospital: Hennepin County Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marissa Alliegro see patients?
Medicare's clinician data lists 1 practice location in Minneapolis, MN. Call before your visit to confirm the address.
What is Marissa Alliegro's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does Marissa Alliegro accept Medicare assignment?
Yes. Medicare's clinician data says Marissa Alliegro 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 Marissa Alliegro?
(612) 873-6963, as listed in official Medicare / NPI Registry data.
What is Marissa Alliegro's NPI number?
1134843303. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marissa Alliegro works

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

Group practices

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

  • Hennepin Healthcare System Inc871 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, Minnesota →

Other clinical psychologists in Minneapolis

Clinicians with the same Medicare primary specialty in Minneapolis, MN — not a recommendation.

All clinical psychologists in Minneapolis →

Clinician information

Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134843303
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