Quick answers
- Where does Stephen J. Bigelsen see patients?
- Medicare's clinician data lists 3 practice locations, including Dover, NJ and Succasunna, NJ. Call before your visit to confirm the address.
- What is Stephen J. Bigelsen's specialty?
- Medicare lists Allergy/Immunology as the primary specialty, and also Internal Medicine.
- Does Stephen J. Bigelsen accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen J. Bigelsen 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 Stephen J. Bigelsen?
- (973) 989-0500, as listed in official Medicare / NPI Registry data.
- What is Stephen J. Bigelsen's NPI number?
- 1780611574. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Stephen J. Bigelsen is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 Mount Pleasant Ave, Suite CDover, NJ 07801 (973) 989‑0500
- 66 Sunset StripSuccasunna, NJ 07876 (973) 989‑0500
- 66 Sunset Strip, Suite 207Succasunna, NJ 07876 (973) 584‑1391
Group practices
Medicare enrollment lists Stephen J. Bigelsen as a member of these groups (CMS data updated 2026-10-02).
- Arthritis and Allergy Associates LLC6 clinicians in the group
- Allergy and Arthritis Associates5 clinicians in the group
Specialties
- Allergy/Immunologyprimary
- Internal Medicinealso
Other allergist and immunologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Chicago College Of Medicine And Surgery |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780611574 |
| 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
- 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