Matthew J. Greenberg, MD

Medicare activity in 2024

Official CMS public-use data for Matthew 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. Emergency department visit with high level of medical decision making (99285)234 services
2. Emergency department visit with moderate level of medical decision making (99284)143 services
3. Emergency department visit with low level of medical decision making (99283)62 services
4. Critical care, first 30-74 minutes (99291)42 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 pressure74%
• High cholesterol70%
• Arthritis47%
• Depression38%
• Ischemic heart disease37%
• Anxiety35%

Hospitals where Matthew J. Greenberg works

Medicare's Facility Affiliation Data lists Matthew 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.

• Central Vermont Medical CenterBarre, VT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 470001
• Yukon Kuskokwim Delta Regional HospitalBethel, AK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 020018

Practice locations

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

• 130 Fisher RdBarre, VT 05641 (802) 371‑4235

Group practices

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

• Central Vermont Medical Center Inc232 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Vermont →

Other emergency medicine doctors in Barre

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

• Samuel Potter, MD
• Jared A. Blum, MD
• Andrew D. Felsted, DO
• Jennifer C. Jachowski, DO
• Kelvey Wilson, MD
• Alison L. Sullivan
• Benjamin G. Smith, MD
• David H. Murman, MD

All emergency medicine doctors in Barre →

Other clinicians in Central Vermont Medical Center Inc

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

• Maria C. Bryan, MD
• Amber Blackledge, PA
• Kaitlyn Surwilo
• Alison B. Chick
• Nicholas Phillips, MD
• Chris Steele, 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