John A. Karbassi, MD

Medicare activity in 2024

Official CMS public-use data for John A. Karbassi, 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. Injection, methylprednisolone acetate, 1 mg (J1010)9,456 services
2. X-ray of foot, minimum of 3 views (73630)556 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)516 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)416 services
5. X-ray of ankle, minimum of 3 views (73610)289 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%
• Arthritis70%
• High blood pressure68%
• Anxiety35%
• Depression26%
• Osteoporosis23%

Hospitals where John A. Karbassi works

Medicare's Facility Affiliation Data lists John A. Karbassi 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.

• Anna Jaques HospitalNewburyport, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220029
• Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220033

Practice locations

Addresses where John A. Karbassi is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Orthopedics DrPeabody, MA 01960 (978) 818‑6350

Group practices

Medicare enrollment lists John A. Karbassi as a member of this group (CMS data updated October 2, 2026).

• Sports Medicine North Orthopaedic Surgery, Inc.87 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in Massachusetts →

Other orthopedic surgeons in Peabody

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

• Akachimere Uzosike, MD
• Richard M. Ozuna, MD
• Wojciech Bulczynski, MD
• Nicholas Pagani, MD
• Bojan Zoric, MD
• Adam E. Roy, MD
• Stephanie M. Clegg, MD
• Margaret J. Lobo, MD

All orthopedic surgeons in Peabody →

Other clinicians in Sports Medicine North Orthopaedic Surgery, Inc.

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

• Rachel Foster
• Ryan J. Harrington, MD
• Akachimere Uzosike, MD
• Jeffrey Roy
• Lauren Dellacroce
• Keith Linsey, PT

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