Quick answers
- Where does Carl Guillaume see patients?
- Medicare's clinician data lists 2 practice locations, including Bronx, NY and Elmhurst, NY. Call before your visit to confirm the address.
- What is Carl Guillaume's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Carl Guillaume accept Medicare assignment?
- Yes. Medicare's clinician data says Carl Guillaume 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 Carl Guillaume?
- (718) 483-1270, as listed in official Medicare / NPI Registry data.
- What is Carl Guillaume's NPI number?
- 1528098118. 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 Carl Guillaume is enrolled with Medicare (CMS data updated 2026-10-02).
- 85 W Burnside AveBronx, NY 10453 (718) 483‑1270
- 87 -08 Justice Ave, Suite CsElmhurst, NY 11373 (718) 779‑9599
Group practices
Medicare enrollment lists Carl Guillaume as a member of these groups (CMS data updated 2026-10-02).
- Morris Heights Health Center, Inc.50 clinicians in the group
- Medical Associates, P.C.2 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Bronx
Clinicians with the same Medicare primary specialty in Bronx, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528098118 |
| 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