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Medical Oncology

Paul A. Bunn Jr., MD

Works at hospitals in Aurora, CO · Glenwood Springs, CO · Colorado

Summary

Dr. Paul A. Bunn Jr., MD is an oncologist at 12605 E 16th Ave, Uchealth Anschutz Medical Campus, Aurora, CO 80045. Phone: (720) 848-0000. Accepts Medicare assignment. In 2024, Paul A. Bunn Jr. had 61 Original Medicare patients and 182 services. NPI 1285724963. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Paul A. Bunn Jr., 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 Paul A. Bunn Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Paul A. Bunn Jr. 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 Paul A. Bunn Jr. see?
In 2024, CMS data shows 61 Original Medicare patients and 182 services for Paul A. Bunn Jr.. This counts Original Medicare only and measures volume, not quality.
What is Paul A. Bunn Jr.'s NPI number?
1285724963. 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 Paul A. Bunn Jr., 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 patients61
Services billed to Medicare182
Different services or procedures10
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)135 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).

  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High cholesterol66%
  • High blood pressure59%
  • COPD54%
  • Ischemic heart disease46%
  • Chronic kidney disease43%

Hospitals where Paul A. Bunn Jr. works

Medicare's Facility Affiliation Data lists Paul A. Bunn Jr. 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 Paul A. Bunn Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Paul A. Bunn Jr. as a member of this group (CMS data updated October 2, 2026).

  • University Physicians Incorporated3,215 clinicians in the group

Specialties

Find other Medical Oncology doctors in Colorado →

Other oncologists in Aurora

Clinicians with the same Medicare primary specialty in Aurora, CO — not a recommendation.

All oncologists in Aurora →

Other clinicians in University Physicians Incorporated

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

Clinician information

CredentialMD
Medical schoolJs Weill Medical College, Cornell University
Graduation year1971 (55 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1285724963
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