Quick answers
- Does Darlene Fontanazza accept Medicare assignment?
- Yes. Medicare's clinician data says Darlene Fontanazza 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 Darlene Fontanazza see?
- In 2024, CMS data shows 80 Original Medicare patients and 221 services for Darlene Fontanazza. This counts Original Medicare only and measures volume, not quality.
- What is Darlene Fontanazza's NPI number?
- 1992726905. 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 Darlene Fontanazza, 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 | 80 |
|---|---|
| Services billed to Medicare | 221 |
| Different services or procedures | 29 |
| 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)37 services
- Test to measure expiratory airflow and volume (94010)21 services
- Test to examine how well the lungs exchange gases (94729)11 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%
- COPD70%
- Ischemic heart disease61%
- Diabetes50%
- Heart failure48%
Hospitals where Darlene Fontanazza works
Medicare's Facility Affiliation Data lists Darlene Fontanazza 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 Darlene Fontanazza is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Hospital PlzOld Bridge, NJ 08857 (732) 324‑5073
- 30 Prospect AveHackensack, NJ 07601
- 65 James StEdison, NJ 08820
Group practices
Medicare enrollment lists Darlene Fontanazza as a member of this group (CMS data updated October 2, 2026).
- Hackensack Meridian Health Medical Group - Specialty Care PC1,922 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Old Bridge
Clinicians with the same Medicare primary specialty in Old Bridge, NJ — not a recommendation.
Other clinicians in Hackensack Meridian Health Medical Group - Specialty Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | Columbia University College Of Physicians And Surgeons |
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992726905 |
| 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