Quick answers
- Which hospitals does H Mark Denson work at?
- Medicare's official clinician data lists H Mark Denson at 3 hospitals: Englewood Hospital and Medical Center, Hackensack Meridian Health Pascack Valley Medical and Hackensack University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does H Mark Denson see patients?
- Medicare's clinician data lists 2 practice locations, including Hackensack, NJ. Call before your visit to confirm the address.
- What is H Mark Denson's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does H Mark Denson accept Medicare assignment?
- Yes. Medicare's clinician data says H Mark Denson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for H Mark Denson?
- (551) 996-5045, as listed in official Medicare / NPI Registry data.
- What is H Mark Denson's NPI number?
- 1184789562. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where H Mark Denson works
Medicare's Facility Affiliation Data lists H Mark Denson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Englewood Hospital and Medical CenterEnglewood, NJ · Acute Care Hospital · CCN 310045
- Hackensack Meridian Health Pascack Valley MedicalWestwood, NJ · Acute Care Hospital · CCN 310130
- Hackensack University Medical CenterHackensack, NJ · Acute Care Hospital · CCN 310001
Practice locations
Addresses where H Mark Denson is enrolled with Medicare (CMS data updated 2026-10-02).
- 30 Prospect AveHackensack, NJ 07601 (551) 996‑5045
- 920 Main StHackensack, NJ 07601 (551) 996‑9180
Group practices
Medicare enrollment lists H Mark Denson as a member of this group (CMS data updated 2026-10-02).
- Hackensack Meridian Health Medical Group - Specialty Care PC1,922 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New Jersey →
Other cardiologists in Hackensack
Clinicians with the same Medicare primary specialty in Hackensack, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184789562 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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