Quick answers
- Where does Alexander M. Fuller see patients?
- Medicare's clinician data lists 3 practice locations, including East Setauket, NY, Bay Shore, NY and Stony Brook, NY. Call before your visit to confirm the address.
- What is Alexander M. Fuller's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Alexander M. Fuller accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander M. Fuller 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 Alexander M. Fuller?
- (631) 444-0580, as listed in official Medicare / NPI Registry data.
- What is Alexander M. Fuller's NPI number?
- 1134761778. 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 Alexander M. Fuller is enrolled with Medicare (CMS data updated 2026-10-02).
- 26 Research WayEast Setauket, NY 11733 (631) 444‑0580
- 301 E Main StBay Shore, NY 11706 (631) 941‑2000
- PO Box, Suite 1554Stony Brook, NY 11790
Group practices
Medicare enrollment lists Alexander M. Fuller as a member of this group (CMS data updated 2026-10-02).
- Stony Brook Internists University Faculty Practice Corporation428 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in East Setauket
Clinicians with the same Medicare primary specialty in East Setauket, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134761778 |
| 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