Jacob B. Mirsky, MD

Medicare activity in 2024

Official CMS public-use data for Jacob B. Mirsky, 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)173 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)136 services
3. 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)122 services
4. Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)14 services
5. Telephone medical discussion with physician, 21-30 minutes (99443)13 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 cholesterol58%
• Arthritis38%
• Ischemic heart disease36%
• Anxiety36%
• Diabetes29%

Hospitals where Jacob B. Mirsky works

Medicare's Facility Affiliation Data lists Jacob B. Mirsky 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.

• Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071
• North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035

Practice locations

Addresses where Jacob B. Mirsky is enrolled with Medicare (CMS data updated October 2, 2026).

• 112 Worcester St, Suite 303Wellesley, MA 02481 (617) 916‑9433
• 300 Ocean AveRevere, MA 02151
• 385 BroadwayRevere, MA 02151 (781) 485‑1000
• 55 Fruit StBoston, MA 02114 (617) 726‑2000

Group practices

Medicare enrollment lists Jacob B. Mirsky as a member of these groups (CMS data updated October 2, 2026).

• Massachusetts General Physicians Organization Inc3,558 clinicians in the group
• The General Hospital Corporation1,267 clinicians in the group
• Lifestyle Medical and Cardiovascular Associates PC8 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Wellesley

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

• Jianying Yang, MD
• Wayra Y. Salazar Moreno, MD
• John Bordiuk, MD
• Nelson K. Aweh, MD
• David J. Schroeder, MD
• Claudia P. Garcia, MD
• Katrina Klaus, DO
• Eric A. Serrano, MD

All internal medicine doctors in Wellesley →

Other clinicians in Massachusetts General Physicians Organization Inc

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

• Catharine B. Wetzel, NP
• Amy S. Colwell, MD
• Sean M. Hazzard
• Daniel L. Moore, NP
• Olena Murthy, NP
• Sarah Hammond, 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