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Family Practice

John B. Holtzapple Iii, MD

Works at hospitals in Springfield, OR · Oregon

Summary

Dr. John B. Holtzapple Iii, MD is a family doctor at 4010 Aerial Way, Eugene, OR 97402. Accepts Medicare assignment. In 2024, John B. Holtzapple Iii had 187 Original Medicare patients and 968 services. NPI 1588638852. 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: Family doctor (Medicare lists Family Practice)
  • Address: 4010 Aerial Way, Eugene, OR 97402 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: Sacred Heart Medical Center - Riverbend
  • Group practice: PeaceHealth Medical Group
  • Medical school: University Of North Carolina At Chapel Hill School Of Medicine · graduated 1995 (31 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about John B. Holtzapple 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 John B. Holtzapple Iii accept Medicare assignment?
Yes. Medicare's clinician data says John B. Holtzapple 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 John B. Holtzapple Iii see?
In 2024, CMS data shows 187 Original Medicare patients and 968 services for John B. Holtzapple Iii. This counts Original Medicare only and measures volume, not quality.
What is John B. Holtzapple Iii's NPI number?
1588638852. 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 John B. Holtzapple 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 patients187
Services billed to Medicare968
Different services or procedures43
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Blood test, clotting time (85610)210 services
  2. Anticoagulant management of patient taking warfarin (93793)209 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)140 services
  4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)106 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)50 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 pressure70%
  • High cholesterol70%
  • Arthritis43%
  • Diabetes30%
  • Depression27%
  • Chronic kidney disease27%

Hospitals where John B. Holtzapple Iii works

Medicare's Facility Affiliation Data lists John B. Holtzapple 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.

Practice locations

Addresses where John B. Holtzapple Iii is enrolled with Medicare (CMS data updated October 2, 2026).

  • 4010 Aerial WayEugene, OR 97402

Group practices

Medicare enrollment lists John B. Holtzapple Iii as a member of this group (CMS data updated October 2, 2026).

  • PeaceHealth Medical Group255 clinicians in the group

Specialties

Find other Family Practice doctors in Oregon →

Other family doctors in Eugene

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

All family doctors in Eugene →

Other clinicians in PeaceHealth Medical Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588638852
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