Herath M. Wijerathna, MD

Medicare activity in 2024

Official CMS public-use data for Herath M. Wijerathna, 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 moderate level of decision making, if using time, 30 minutes or more (99214)82 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)40 services
3. Blood test, lipids (cholesterol and triglycerides) (80061)39 services
4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)37 services
5. Blood test, comprehensive group of blood chemicals (80053)34 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 cholesterol71%
• High blood pressure66%
• Arthritis37%
• Anxiety32%
• Depression27%
• Diabetes26%

Hospitals where Herath M. Wijerathna works

Medicare's Facility Affiliation Data lists Herath M. Wijerathna 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.

• Milford Regional Medical CenterMilford, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220090
• UMass Memorial Health - Harrington HospitalSouthbridge, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220019
• 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 Herath M. Wijerathna is enrolled with Medicare (CMS data updated October 2, 2026).

• PO BoxBoston, MA 02241

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Boston

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

• Elizabeth M. Cherella
• Mark Zeidel, MD
• Cecelia R. Bender, DO
• Michael K. Paasche Orlow, MD
• Jehane C. Johnston, MD
• William P. Schmitt, MD
• Jacob Cedarbaum, MD
• Michael D. Nelson, MD

All internal medicine doctors in Boston →

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