Caitlin J. Greenberg, DO

Medicare activity in 2024

Official CMS public-use data for Caitlin J. Greenberg, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)206 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)73 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)34 services
4. Hospital discharge day management, 30 minutes or less (99238)24 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)19 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 cholesterol75%
• Diabetes48%
• Arthritis48%
• Depression47%
• Anxiety46%

Hospitals where Caitlin J. Greenberg works

Medicare's Facility Affiliation Data lists Caitlin J. Greenberg 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.

• Copley HospitalMorrisville, VT · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 471305
• University of Vermont - Fletcher Allen Health CareBurlington, VT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 470003

Practice locations

Addresses where Caitlin J. Greenberg is enrolled with Medicare (CMS data updated October 2, 2026).

• 111 Colchester AveBurlington, VT 05401 (802) 847‑0000

Group practices

Medicare enrollment lists Caitlin J. Greenberg as a member of this group (CMS data updated October 2, 2026).

• University of Vermont Medical Center Inc1,208 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Vermont →

Other internal medicine doctors in Burlington

Clinicians with the same Medicare primary specialty in Burlington, VT — not a recommendation.

• George Cao, MD
• Jonathan R. Hingre, MD
• James Boothe, MD
• Valliammai Vinaithirthan, MD
• Friederike K. Keating, MD
• Alexandra L. Messerli, MD
• Mark E. Pasanen, MD
• John H. Miller, MD

All internal medicine doctors in Burlington →

Other clinicians in University of Vermont Medical Center Inc

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

• George Cao, MD
• Gary C. An, MD
• Joachim G. Mueller, MD
• Peter M. Bingham, MD
• Garth W. Garrison, MD
• Katherine Lacette

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