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Hematology/Oncology

Edward J. Ottenheimer Iii, MD

Works at hospitals in Roseburg, OR · Oregon

Summary

Dr. Edward J. Ottenheimer Iii, MD is a hematologist-oncologist at 1813 W Harvard Ave, Suite 436, Roseburg, OR 97471. Phone: (541) 673-0496. Accepts Medicare assignment. In 2024, Edward J. Ottenheimer Iii had 264 Original Medicare patients and 86,121 services. NPI 1881787547. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 1813 W Harvard Ave, Suite 436, Roseburg, OR 97471 · Directions
  • Phone: (541) 673‑0496
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Medical Center
  • Medical school: graduated 1982 (44 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Edward J. Ottenheimer Iii, 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 Edward J. Ottenheimer Iii accept Medicare assignment?
Yes. Medicare's clinician data says Edward J. Ottenheimer Iii 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.
How many Medicare patients does Edward J. Ottenheimer Iii see?
In 2024, CMS data shows 264 Original Medicare patients and 86,121 services for Edward J. Ottenheimer Iii. This counts Original Medicare only and measures volume, not quality.
What is Edward J. Ottenheimer Iii's NPI number?
1881787547. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Edward J. Ottenheimer Iii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients264
Services billed to Medicare86,121
Different services or procedures55
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, ferric carboxymaltose, 1 mg (J1439)54,750 services
  2. Injection, denosumab, 1 mg (J0897)3,060 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,048 services
  4. Injection, furosemide, up to 20 mg (J1940)558 services
  5. Insertion of needle into vein for collection of blood sample (36415)216 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol68%
  • Arthritis57%
  • Chronic kidney disease44%
  • Diabetes34%
  • Osteoporosis32%

Hospitals where Edward J. Ottenheimer Iii works

Medicare's Facility Affiliation Data lists Edward J. Ottenheimer Iii 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 Edward J. Ottenheimer Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Hematology/Oncology doctors in Oregon →

Other hematologist-oncologists in Oregon

Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.

All hematologist-oncologists in Oregon →

Clinician information

CredentialMD
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881787547
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians