Sebastian Didato, MD

Medicare activity in 2024

Official CMS public-use data for Sebastian Didato, 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 low level od decision making, if using time, 20 minutes or more (99213)268 services
2. Ultrasound of both sides of head and neck blood flow (93880)209 services
3. Ultrasound study of one arm or leg veins with compression and maneuvers (93971)199 services
4. Ultrasound study of arm and leg arteries (93922)155 services
5. Ultrasound of one leg arteries or artery grafts (93926)149 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%
• Ischemic heart disease54%
• Arthritis51%
• Diabetes40%
• Chronic kidney disease38%

Hospitals where Sebastian Didato works

Medicare's Facility Affiliation Data lists Sebastian Didato 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.

• Athol Memorial HospitalAthol, MA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 221303
• Emerson Hospital -W Concord, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220084
• Heywood Hospital -Gardner, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220095
• UMass Memorial Healthalliance HospitalsLeominster, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220001

Practice locations

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

• 114 Merriam Ave, Suite 101Leominster, MA 01453 (978) 534‑3399

Group practices

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

• Vascular Care Group LLC25 clinicians in the group

Specialties

• Vascular Surgeryprimary
• General Surgeryalso

Find other Vascular Surgery doctors in Massachusetts →

Other vascular surgeons in Leominster

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

• Stephen J. Hoenig, MD
• Jessica P. Simons, MD
• Edward J. Arous, MD
• Elias J. Arous, MD
• Hector F. Simosa, MD

All vascular surgeons in Leominster →

Other clinicians in Vascular Care Group LLC

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

• Stephen J. Hoenig, MD
• Stratton Danes, MD
• Justin Yu, MD
• Edward J. Arous, MD
• Laura T. Boitano, MD
• Kathia P. Rosa, 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