Quick answers
- Does Maryann Alessio accept Medicare assignment?
- Yes. Medicare's clinician data says Maryann Alessio 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 Maryann Alessio see?
- In 2024, CMS data shows 201 Original Medicare patients and 1,172 services for Maryann Alessio. This counts Original Medicare only and measures volume, not quality.
- What is Maryann Alessio's NPI number?
- 1750499257. 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 Maryann Alessio, 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 | 201 |
|---|---|
| Services billed to Medicare | 1,172 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)275 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)148 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)135 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)127 services
- Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)94 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%
- High blood pressure70%
- Arthritis46%
- Anxiety29%
- Diabetes26%
- Ischemic heart disease19%
Hospitals where Maryann Alessio works
Medicare's Facility Affiliation Data lists Maryann Alessio 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.
- Clara Maass Medical CenterBelleville, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310009
- Englewood Hospital and Medical CenterEnglewood, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310045
- Hackensack Meridian Mountainside MedicalMontclair, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310054
Practice locations
Addresses where Maryann Alessio is enrolled with Medicare (CMS data updated October 2, 2026).
- 24 Elm StHarrington Park, NJ 07640 (201) 451‑1601
- 24 Elm St, Suite 203Harrington Park, NJ 07640 (201) 784‑0123
- 349 Passaic AveNutley, NJ 07110 (973) 667‑8889
Group practices
Medicare enrollment lists Maryann Alessio as a member of this group (CMS data updated October 2, 2026).
- Medical Associates of Englewood PC540 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Harrington Park
Clinicians with the same Medicare primary specialty in Harrington Park, NJ — not a recommendation.
Other clinicians in Medical Associates of Englewood PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1750499257 |
| 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