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Internal Medicine

Matthew Ingrassia, DO

Works at hospitals in Burns, OR · Bend, OR · Prineville, OR · Oregon

Summary

Matthew Ingrassia, DO (Internal Medicine) is listed by Medicare at 3 hospitals in Burns, OR, Bend, OR and Prineville, OR. NPI 1700142122. 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 Matthew Ingrassia, 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
14Years since medical school (graduated 2012)
MaleGender (as listed)
Bend Memorial Clinic PCGroup practice (+1 more)

Quick answers

Which hospitals does Matthew Ingrassia work at?
Medicare's official clinician data lists Matthew Ingrassia at 3 hospitals: Harney District Hospital, St Charles Medical Center - Bend and St Charles Medical Center Prineville. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Matthew Ingrassia see patients?
Medicare's clinician data lists 4 practice locations, including Bend, OR. Call before your visit to confirm the address.
What is Matthew Ingrassia's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
Does Matthew Ingrassia accept Medicare assignment?
Yes. Medicare's clinician data says Matthew Ingrassia 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 Matthew Ingrassia?
(541) 382-2811, as listed in official Medicare / NPI Registry data.
What is Matthew Ingrassia's NPI number?
1700142122. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Matthew Ingrassia works

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

Group practices

Medicare enrollment lists Matthew Ingrassia as a member of these groups (CMS data updated 2026-10-02).

  • Bend Memorial Clinic PC221 clinicians in the group
  • St Charles Health System Inc173 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oregon →

Other internal medicine doctors in Bend

Clinicians with the same Medicare primary specialty in Bend, OR — not a recommendation.

All internal medicine doctors in Bend →

Clinician information

CredentialDO
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700142122
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