Quick answers
- Which hospitals does Daniel Groisser work at?
- Medicare's official clinician data lists Daniel Groisser at 1 hospital: Clara Maass Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel Groisser see patients?
- Medicare's clinician data lists 1 practice location in Nutley, NJ. Call before your visit to confirm the address.
- What is Daniel Groisser's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Daniel Groisser accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel Groisser 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 Daniel Groisser offer telehealth?
- Medicare's clinician data says Daniel Groisser offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Daniel Groisser?
- (973) 571-2121, as listed in official Medicare / NPI Registry data.
- What is Daniel Groisser's NPI number?
- 1376514745. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel Groisser works
Medicare's Facility Affiliation Data lists Daniel Groisser at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Clara Maass Medical CenterBelleville, NJ · Acute Care Hospital · CCN 310009
Practice locations
Addresses where Daniel Groisser is enrolled with Medicare (CMS data updated 2026-10-02).
- 88 Park Ave, Suite 2aNutley, NJ 07110 (973) 571‑2121
Group practices
Medicare enrollment lists Daniel Groisser as a member of this group (CMS data updated 2026-10-02).
- Schweiger Dermatology PC186 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1376514745 |
| 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