Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Bailee W. Olliff, MD

Works at hospitals in Parker, CO · Denver, CO · Aurora, CO · Colorado

Summary

Dr. Bailee W. Olliff, MD is a general surgeon at 777 Bannock St, Denver, CO 80204. Phone: (303) 436-6000. Accepts Medicare assignment. In 2024, Bailee W. Olliff had 99 Original Medicare patients and 151 services. NPI 1497117428. 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 Bailee W. Olliff, 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 Bailee W. Olliff accept Medicare assignment?
Yes. Medicare's clinician data says Bailee W. Olliff 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 Bailee W. Olliff see?
In 2024, CMS data shows 99 Original Medicare patients and 151 services for Bailee W. Olliff. This counts Original Medicare only and measures volume, not quality.
What is Bailee W. Olliff's NPI number?
1497117428. 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 Bailee W. Olliff, 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 patients99
Services billed to Medicare151
Different services or procedures26
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)53 services
  2. Emergency department visit with high level of medical decision making (99285)26 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)12 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 cholesterol62%
  • Arthritis51%
  • COPD38%
  • Heart failure38%
  • Depression37%

Hospitals where Bailee W. Olliff works

Medicare's Facility Affiliation Data lists Bailee W. Olliff 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 Bailee W. Olliff is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Bailee W. Olliff as a member of these groups (CMS data updated October 2, 2026).

  • Denver Health and Hospital Authority849 clinicians in the group
  • Colorado Surgical and Critical Care Associates PLLC22 clinicians in the group

Specialties

Find other General Surgery doctors in Colorado →

Other general surgeons in Denver

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

All general surgeons in Denver →

Other clinicians in Denver Health and Hospital Authority

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

Clinician information

CredentialMD
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497117428
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