Kristen K. Ciombor, MD

Medicare activity in 2024

Official CMS public-use data for Kristen K. Ciombor, 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.

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)235 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)43 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)29 services
4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)21 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)14 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 blood pressure74%
• High cholesterol64%
• Arthritis43%
• Ischemic heart disease41%
• Depression27%

Hospitals where Kristen K. Ciombor works

Medicare's Facility Affiliation Data lists Kristen K. Ciombor 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.

• Vanderbilt University Medical CenterNashville, TN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 440039

Practice locations

Addresses where Kristen K. Ciombor is enrolled with Medicare (CMS data updated October 2, 2026).

• 3601 the Vanderbilt ClinicNashville, TN 37232 (615) 322‑3000

Group practices

Medicare enrollment lists Kristen K. Ciombor as a member of this group (CMS data updated October 2, 2026).

• Vanderbilt Health Clinicians, LLC129 clinicians in the group

Specialties

• Hematology/Oncologyprimary

Find other Hematology/Oncology doctors in Tennessee →

Other hematologist-oncologists in Nashville

Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.

• Phyu Thin Naing
• Haydar A. Frangoul, MD
• Carrie Kitko, MD
• Vivek Subbiah, MD
• Robin Jacob, MD
• Benjamin F. Tillman, MD
• Muhamed Baljevic, MD
• Nikita Mehta, MD

All hematologist-oncologists in Nashville →

Other clinicians in Vanderbilt Health Clinicians, LLC

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

• Michael Gibson, MD
• Phyu Thin Naing
• Megan M. Wanca
• Nancy Long
• Heather J. Jackson, NP
• Shelton L. Harrell, NP

Clinician information

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