Kathleen J. Haley, MD

Medicare activity in 2024

Official CMS public-use data for Kathleen J. Haley, 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. Critical care, first 30-74 minutes (99291)262 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)201 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)69 services
4. Diagnostic exam of lung airway using an endoscope (31622)35 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)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 blood pressure75%
• High cholesterol74%
• Atrial fibrillation54%
• COPD52%
• Heart failure51%
• Anxiety49%

Hospitals where Kathleen J. Haley works

Medicare's Facility Affiliation Data lists Kathleen J. Haley 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.

• Brigham and Women's HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220110
• Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071

Practice locations

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

• 75 Francis StBoston, MA 02115 (617) 732‑5500

Group practices

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

• Brigham and Womens Physicians Organization Inc2,994 clinicians in the group

Specialties

• Pulmonary Diseaseprimary

Find other Pulmonary Disease doctors in Massachusetts →

Other pulmonologists in Boston

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

• Adel El Boueiz
• George T. Oconnor, MD
• Yan Bai, MD
• David M. Systrom, MD
• Anjali A. Ahn, MD
• John H. Fountain, MD
• Christopher V. Cosgriff, MD
• Elias N. Baedorf Kassis, MD

All pulmonologists in Boston →

Other clinicians in Brigham and Womens Physicians Organization Inc

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

• Adam Kibel, MD
• Naomi H. Cosmus, PA
• Megan B. Zhang, MD
• Alexandra B. Gordon, MD
• Robert Ludwig, MD
• Marie D. Gerhard-Herman, 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