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Internal Medicine

Natalie Groshong, MD

Works at hospitals in Roseburg, OR · Oregon

Summary

Dr. Natalie Groshong, MD is an internal medicine doctor at 1937 W Harvard Ave, Roseburg, OR 97471. Phone: (541) 677-7200. Accepts Medicare assignment. NPI 1952042939. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1937 W Harvard Ave, Roseburg, OR 97471 · Directions (2 more locations)
  • Phone: (541) 677‑7200
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Medical Center
  • Group practice: Centennial Medical Group East LLC (+1 more)
  • Medical school: Oregon Health Sciences University School Of Medicine · graduated 2022 (4 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Natalie Groshong, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Natalie Groshong accept Medicare assignment?
Yes. Medicare's clinician data says Natalie Groshong accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Natalie Groshong's NPI number?
1952042939. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Natalie Groshong works

Medicare's Facility Affiliation Data lists Natalie Groshong at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Mercy Medical CenterRoseburg, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380027

Practice locations

Addresses where Natalie Groshong is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Natalie Groshong as a member of these groups (CMS data updated October 2, 2026).

  • Centennial Medical Group East LLC65 clinicians in the group
  • Evergreen Family Medicine PC54 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oregon →

Other internal medicine doctors in Roseburg

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

All internal medicine doctors in Roseburg →

Other clinicians in Centennial Medical Group East LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolOregon Health Sciences University School Of Medicine
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952042939
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians