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Psychiatry

Corissa E. Dionisio, MD

Sees patients in Indianapolis, IN · Indiana

Summary

Corissa E. Dionisio, MD (Psychiatry) is enrolled with Medicare at 2 practice locations in Indianapolis, IN. NPI 1295122299. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Corissa E. Dionisio, 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

PsychiatryPrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
Rush Medical College Of Rush UniversityMedical school
FemaleGender (as listed)
IU Health Medical Group LLCGroup practice (+1 more)

Quick answers

Where does Corissa E. Dionisio see patients?
Medicare's clinician data lists 2 practice locations, including Indianapolis, IN. Call before your visit to confirm the address.
What is Corissa E. Dionisio's specialty?
Medicare lists Psychiatry as the primary specialty, and also Pediatric Medicine.
Does Corissa E. Dionisio accept Medicare assignment?
Yes. Medicare's clinician data says Corissa E. Dionisio 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 Corissa E. Dionisio?
(888) 484-3258, as listed in official Medicare / NPI Registry data.
What is Corissa E. Dionisio's NPI number?
1295122299. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Corissa E. Dionisio is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Corissa E. Dionisio as a member of these groups (CMS data updated 2026-10-02).

  • IU Health Medical Group LLC4,462 clinicians in the group
  • IU Health Medical Group Riley Specialists LLC302 clinicians in the group

Specialties

Find other Psychiatry doctors in Indiana →

Other psychiatrists in Indianapolis

Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.

All psychiatrists in Indianapolis →

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295122299
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians