Glenn J. Hanna, MD

Medicare activity in 2024

Official CMS public-use data for Glenn J. Hanna, 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)268 services
2. Diagnostic exam of voice box using a flexible endoscope (31575)61 services
3. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)27 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 pressure62%
• High cholesterol61%
• Arthritis35%
• Anxiety27%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)27%
• Chronic kidney disease24%

Hospitals where Glenn J. Hanna works

Medicare's Facility Affiliation Data lists Glenn J. Hanna 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
• Brigham and Women's HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220110

Practice locations

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

• 450 Brookline AveBoston, MA 02215

Group practices

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

• Dana-Farber Cancer Institute, Inc.684 clinicians in the group

Specialties

• Hematology/Oncologyprimary
• Internal Medicinealso

Find other Hematology/Oncology doctors in Massachusetts →

Other hematologist-oncologists in Boston

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

• Rizwan Haq, MD
• Inhye Ahn, MD
• Tishi Shah, MD
• Martha Wadleigh, MD
• Corey S. Cutler, MD
• Omar Nadeem, MD
• Joseph L. Pennacchio, MD
• Rushad Patell, MD

All hematologist-oncologists in Boston →

Other clinicians in Dana-Farber Cancer Institute, Inc.

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

• Rizwan Haq, MD
• Inhye Ahn, MD
• Kalin Charette
• Elizabeth J. Carstens, MD
• Martha Wadleigh, MD
• Benjamin Schlechter

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