Jason L. Gaglia, MD

Medicare activity in 2024

Official CMS public-use data for Jason L. Gaglia, 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)29 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)22 services
3. Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)21 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 cholesterol75%
• Diabetes75%
• High blood pressure74%
• Chronic kidney disease48%
• Arthritis42%
• Ischemic heart disease35%

Hospitals where Jason L. Gaglia works

Medicare's Facility Affiliation Data lists Jason L. Gaglia 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.

• Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220086

Practice locations

Addresses where Jason L. Gaglia is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Joslin PlBoston, MA 02215
• 1 Joslin Pl, Pediatric UnitBoston, MA 02215

Group practices

Medicare enrollment lists Jason L. Gaglia as a member of this group (CMS data updated October 2, 2026).

• Joslin Clinic Inc53 clinicians in the group

Specialties

• Endocrinologyprimary

Find other Endocrinology doctors in Massachusetts →

Other endocrinologists in Boston

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

• Lei Pei, MD
• Miriam Udler, MD
• Josephine H. Li, MD
• Michael Irwig, MD
• Pamela I. Hartzband, MD
• Julia Kelly, MD
• George L. King, MD
• Bharti Deswal, MD

All endocrinologists in Boston →

Other clinicians in Joslin Clinic Inc

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

• Emily Minker, NP
• Christine Cibotti
• Sarah Gatti, CSW
• Sabera T. Shah, MD
• Robert A. Gabbay, MD
• George S. Sharuk, 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