Quick answers
- Does Arieh C. Greenbaum accept Medicare assignment?
- Yes. Medicare's clinician data says Arieh C. Greenbaum 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 Arieh C. Greenbaum see?
- In 2024, CMS data shows 774 Original Medicare patients and 2,750 services for Arieh C. Greenbaum. This counts Original Medicare only and measures volume, not quality.
- What is Arieh C. Greenbaum's NPI number?
- 1972921856. 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 Arieh C. Greenbaum, 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 | 774 |
|---|---|
| Services billed to Medicare | 2,750 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)445 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)377 services
- 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)272 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)261 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)246 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%
- Arthritis57%
- Ischemic heart disease52%
- Atrial fibrillation38%
- Diabetes36%
Hospitals where Arieh C. Greenbaum works
Medicare's Facility Affiliation Data lists Arieh C. Greenbaum 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.
- Englewood Hospital and Medical CenterEnglewood, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310045
- Hackensack Meridian Health Pascack Valley MedicalWestwood, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310130
- Valley HospitalParamus, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310012
Practice locations
Addresses where Arieh C. Greenbaum is enrolled with Medicare (CMS data updated October 2, 2026).
- 108 Jackson St, Apt 6bHoboken, NJ 07030 (800) 825‑5391
- 223 N Van Dien AveRidgewood, NJ 07450 (201) 447‑8000
- 4 Valley Health PlzParamus, NJ 07652 (800) 825‑5391
- 400 Market StMontvale, NJ 07645 (201) 447‑8200
Group practices
Medicare enrollment lists Arieh C. Greenbaum as a member of this group (CMS data updated October 2, 2026).
- Valley Physician Services PC592 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New Jersey →
Other cardiologists in Hoboken
Clinicians with the same Medicare primary specialty in Hoboken, NJ — not a recommendation.
Other clinicians in Valley Physician Services PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1972921856 |
| 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