Quick answers
- Where does Marc A. Guerrier see patients?
- Medicare's clinician data lists 2 practice locations, including Lady Lake, FL and Lakeland, FL. Call before your visit to confirm the address.
- What is Marc A. Guerrier's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Marc A. Guerrier accept Medicare assignment?
- Yes. Medicare's clinician data says Marc A. Guerrier 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 Marc A. Guerrier?
- (352) 751-9900, as listed in official Medicare / NPI Registry data.
- What is Marc A. Guerrier's NPI number?
- 1124007364. 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 Marc A. Guerrier is enrolled with Medicare (CMS data updated 2026-10-02).
- 13940 N US Hwy 441, Suite 102Lady Lake, FL 32159 (352) 751‑9900
- 1417 Lakeland Hills Blvd, Suite 106Lakeland, FL 33805 (863) 880‑2375
Group practices
Medicare enrollment lists Marc A. Guerrier as a member of this group (CMS data updated 2026-10-02).
- Florida Medical Associates LLC171 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lady Lake
Clinicians with the same Medicare primary specialty in Lady Lake, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Miami, Lm Miller School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124007364 |
| 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