Martin C. Chang, MD

Medicare activity in 2024

Official CMS public-use data for Martin C. Chang, 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. Microscopic genetic analysis of tumor, manual (88360)147 services
2. Pathology examination of tissue using a microscope, intermediate complexity (88305)124 services
3. Pathology examination of tissue using a microscope, moderately high complexity (88307)49 services
4. Special stained specimen slides to examine tissue, each additional procedure (88341)46 services
5. Special stained specimen slides to examine tissue, initial procedure (88342)30 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 pressure60%
• High cholesterol60%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)57%
• Arthritis30%
• Depression27%
• Anxiety24%

Hospitals where Martin C. Chang works

Medicare's Facility Affiliation Data lists Martin C. Chang 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.

• Brattleboro Memorial HospitalBrattleboro, VT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 470011
• Central Vermont Medical CenterBarre, VT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 470001
• 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 Martin C. Chang is enrolled with Medicare (CMS data updated October 2, 2026).

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

Group practices

Medicare enrollment lists Martin C. Chang as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Pathologyprimary

Find other Pathology doctors in Vermont →

Other pathologists in Burlington

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

• Kirsten J. Threlkeld, MD
• Katherine A. Devitt, MD
• Masatoshi Kida, MD
• Juli-Anne Gardner, MD
• Jason D. Brazelton, MD
• Laura A. Greene, MD
• Rebecca Wilcox, MD
• Amelia B. Sybenga, DO

All pathologists in Burlington →

Other clinicians in University of Vermont Medical Center Inc

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

• Casandra Mysior, MD
• Alexandra L. Messerli, MD
• Matthew P. Fazio, AA
• Catherine Maina
• Bruce J. McClellan, PA
• Robert Bruce, MD

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