Quick answers
- Does John A. Merlino Iii accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Merlino Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does John A. Merlino Iii see?
- In 2024, CMS data shows 1,613 Original Medicare patients and 6,901 services for John A. Merlino Iii. This counts Original Medicare only and measures volume, not quality.
- What is John A. Merlino Iii's NPI number?
- 1811013246. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for John A. Merlino Iii, 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.
| Original Medicare patients | 1,613 |
|---|---|
| Services billed to Medicare | 6,901 |
| Different services or procedures | 67 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)1,361 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)911 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)777 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)481 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)434 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%
- Ischemic heart disease63%
- Arthritis59%
- Atrial fibrillation55%
- Diabetes51%
Hospitals where John A. Merlino Iii works
Medicare's Facility Affiliation Data lists John A. Merlino Iii 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.
- Community Medical CenterToms River, NJ · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 310041
- Newark Beth Israel Medical CenterNewark, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310002
- Ocean Medical CenterBrick, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310052
- Robert Wood Johnson University HospitalNew Brunswick, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310038
Practice locations
Addresses where John A. Merlino Iii is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1251 Route 37 W, Suite 200Toms River, NJ 08755 (732) 505‑3510
- 1251 Rte 37, Suite 250Toms River, NJ 08755 (732) 349‑0988
- 201 Lyons AveNewark, NJ 07112
- 475 Hwy 70, Suite 101Lakewood, NJ 08701 (732) 364‑8000
- 94 Old Short Hills RdLivingston, NJ 07039
Group practices
Medicare enrollment lists John A. Merlino Iii as a member of this group (CMS data updated October 2, 2026).
- Barnabas Health Medical Group PC1,070 clinicians in the group
Specialties
Find other Cardiac Electrophysiology doctors in New Jersey →
Other cardiac electrophysiologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Other clinicians in Barnabas Health Medical Group PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Rowan University School Of Osteopathic Medicine |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811013246 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians