Matthew Mariyampillai, MD

Medicare activity in 2024

Official CMS public-use data for Matthew Mariyampillai, 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. X-ray of lower and sacral spine, 2-3 views (72100)45 services
2. X-ray of shoulder, minimum of 2 views (73030)38 services
3. X-ray of hip, 2-3 views (73502)29 services
4. X-ray of knee, 4 or more views (73564)23 services
5. X-ray of foot, minimum of 3 views (73630)20 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).

• Arthritis75%
• High cholesterol74%
• High blood pressure70%
• Anxiety37%
• Depression29%
• Osteoporosis27%

Hospitals where Matthew Mariyampillai works

Medicare's Facility Affiliation Data lists Matthew Mariyampillai 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.

• Marlborough HospitalMarlborough, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220049
• UMass Memorial Health - Harrington HospitalSouthbridge, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220019
• UMass Memorial Healthalliance HospitalsLeominster, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220001
• UMass Memorial Medical Center/University CampusWorcester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220163

Practice locations

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

• 55 Lake Ave NWorcester, MA 01655 (508) 334‑1000

Group practices

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

• UMass Memorial Medical Group Inc2,516 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Massachusetts →

Other radiologists in Worcester

Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.

• Jonathan Lowenthal, MD
• David S. Gerson, MD
• Evan C. Ruppell, DO
• Byron Y. Chen, MD
• Iryna A. Rastarhuyeva, MD
• Guillermo A. Walters, MD
• Tejas S. Mehta, MD
• Billy L. Buff, MD

All radiologists in Worcester →

Other clinicians in UMass Memorial Medical Group Inc

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

• Vu Hoang Tran, MD
• Jonathan Lowenthal, MD
• David A. Mazin, MD
• Kaitlin Marquis, MD
• Elizabeth A. Ryan, NP
• Marilee L. Edwards, CNA

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