Susana C. Wishnia, MD

Medicare activity in 2024

Official CMS public-use data for Susana C. Wishnia, 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)39 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)30 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)20 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)11 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 cholesterol71%
• High blood pressure61%
• Arthritis56%
• Anxiety50%
• Depression40%
• Diabetes24%

Hospitals where Susana C. Wishnia works

Medicare's Facility Affiliation Data lists Susana C. Wishnia 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
• Newton-Wellesley HospitalNewton, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220101

Practice locations

Addresses where Susana C. Wishnia is enrolled with Medicare (CMS data updated October 2, 2026).

• 2000 Washingotn StNewton, MA 02462
• 2014 Washington StNewton, MA 02462 (617) 243‑6000

Group practices

Medicare enrollment lists Susana C. Wishnia as a member of this group (CMS data updated October 2, 2026).

• Mass General Brigham Medical Group Suburban Massachusetts Inc602 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in Massachusetts →

Other general surgeons in Newton

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

• Reza Askari, MD
• Sareh Parangi, MD
• Sheila K. Partridge, MD

All general surgeons in Newton →

Other clinicians in Mass General Brigham Medical Group Suburban Massachusetts Inc

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

• Stephanie L. Quintiliani, NP
• Sarah A. Larch
• Roger L. Greiger, MD
• Nazbeh R. Taghizadeh, MD
• Whitney L. Kress, MD
• Tamar C. Katz, 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