Quick answers
- Where does Stephen S. Armstrong see patients?
- Medicare's clinician data lists 5 practice locations, including Paramus, NJ, West Caldwell, NJ and Brick, NJ. Call before your visit to confirm the address.
- What is Stephen S. Armstrong's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Stephen S. Armstrong accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen S. Armstrong 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 S. Armstrong?
- (201) 265-9500, as listed in official Medicare / NPI Registry data.
- What is Stephen S. Armstrong's NPI number?
- 1821830068. 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 S. Armstrong is enrolled with Medicare (CMS data updated 2026-10-02).
- 110 E Ridgewood AveParamus, NJ 07652 (201) 265‑9500
- 556 Passaic AveWest Caldwell, NJ 07006 (973) 808‑2273
- 686 Route 70Brick, NJ 08723 (732) 262‑8200
- 740 Route 1 NIselin, NJ 08830 (732) 874‑5507
- 85 Godwin AveMidland Park, NJ 07432 (201) 857‑8400
Group practices
Medicare enrollment lists Stephen S. Armstrong as a member of these groups (CMS data updated 2026-10-02).
- Doctors Office of West Caldwell LLC25 clinicians in the group
- Excel Urgent Care of NJ LLC22 clinicians in the group
- Excel Urgent Care of Paramus LLC15 clinicians in the group
- Doctors Office of Brick14 clinicians in the group
- Doctors Office of New Jersey LLC9 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Paramus
Clinicians with the same Medicare primary specialty in Paramus, NJ — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821830068 |
| 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