Charles Castellano, MD

Medicare activity in 2024

Official CMS public-use data for Charles Castellano, 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)583 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)264 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)201 services
4. Insertion of needle into vein for collection of blood sample (36415)137 services
5. Blood test, comprehensive group of blood chemicals (80053)100 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%
• Arthritis38%
• Diabetes31%
• Ischemic heart disease30%
• Chronic kidney disease18%

Hospitals where Charles Castellano works

Medicare's Facility Affiliation Data lists Charles Castellano 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.

• JFK University Medical CenterEdison, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310108

Practice locations

Addresses where Charles Castellano is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Diamond Hill RdBerkeley Heights, NJ 07922 (908) 273‑4300

Group practices

Medicare enrollment lists Charles Castellano as a member of this group (CMS data updated October 2, 2026).

• Summit Medical Group PA1,212 clinicians in the group

Specialties

• Internal Medicineprimary
• Pediatric Medicinealso

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in Berkeley Heights

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

• Scott G. Fields, MD
• Ashish Parikh, MD
• Sweeti Mehra, MD
• Abiy M. Tessema, MD
• Michelle C. Cajulis, MD
• Phylicia Baird, MD
• Christopher D. Batchelor, MD
• Richard D. Laudadio, MD

All internal medicine doctors in Berkeley Heights →

Other clinicians in Summit Medical Group PA

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

• Montanna Gallagher, NP
• Lauren McGarry, PT
• Andrew Halperin, CH
• Pejman Lavian, MD
• Alaine Robertson-Ali
• Michael A. Zozzaro, 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