James G. Kanellakos, MD

Medicare activity in 2024

Official CMS public-use data for James G. Kanellakos, 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)9,441 services
2. Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg (J7318)2,342 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)509 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)338 services
5. X-ray of knee, 3 views (73562)332 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 cholesterol75%
• Arthritis75%
• Ischemic heart disease30%
• Diabetes26%
• Osteoporosis24%

Hospitals where James G. Kanellakos works

Medicare's Facility Affiliation Data lists James G. Kanellakos 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.

• Morristown Medical CenterMorristown, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310015
• Overlook Medical CenterSummit, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310051

Practice locations

Addresses where James G. Kanellakos is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Diamond Hill RdBerkeley Heights, NJ 07922 (908) 273‑4300
• 1 Diamond Hill Rd, Summit Medical GroupBerkeley Heights, NJ 07922

Group practices

Medicare enrollment lists James G. Kanellakos as a member of this group (CMS data updated October 2, 2026).

• Summit Medical Group PA1,212 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in New Jersey →

Other orthopedic surgeons in Berkeley Heights

Clinicians with the same Medicare primary specialty in Berkeley Heights, NJ — not a recommendation.

• Robert S. Boretz, MD
• Michael T. Benke, MD
• Oscar Vazquez, MD
• Joseph G. Cappadona, MD
• Eric C. Mirsky, MD
• Siddharth A. Mahure, MD
• Vivek Natarajan, MD
• Matthew Cohn, MD

All orthopedic surgeons in Berkeley Heights →

Other clinicians in Summit Medical Group PA

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

• Manisha Patel
• Anna V. Rozentul, DO
• Andrea Hubschmann, MD
• Joseph H. Thornton, PA
• Jeffrey M. Becker, MD
• Alice Hong, DO

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