Quick answers
- Which hospitals does Mark J. Krell work at?
- Medicare's official clinician data lists Mark J. Krell at 2 hospitals: Morristown Medical Center and Overlook Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark J. Krell see patients?
- Medicare's clinician data lists 3 practice locations, including Summit, NJ, Morristown, NJ and Mountain Lakes, NJ. Call before your visit to confirm the address.
- What is Mark J. Krell's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Mark J. Krell accept Medicare assignment?
- Yes. Medicare's clinician data says Mark J. Krell 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.
- Does Mark J. Krell offer telehealth?
- Medicare's clinician data says Mark J. Krell offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark J. Krell?
- (908) 273-1999, as listed in official Medicare / NPI Registry data.
- What is Mark J. Krell's NPI number?
- 1558456822. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark J. Krell works
Medicare's Facility Affiliation Data lists Mark J. Krell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
- Overlook Medical CenterSummit, NJ · Acute Care Hospital · CCN 310051
Practice locations
Addresses where Mark J. Krell is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Springfield Ave, Suite 2aSummit, NJ 07901 (908) 273‑1999
- 100 Madison AveMorristown, NJ 07960 (973) 971‑5915
- 333 Route 46 W, Suite 106Mountain Lakes, NJ 07046 (973) 829‑7965
Group practices
Medicare enrollment lists Mark J. Krell as a member of these groups (CMS data updated 2026-10-02).
- Cardiovascular Health Consultants, P.A.119 clinicians in the group
- Atlantic Health Partners28 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New Jersey →
Other cardiologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558456822 |
| 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