Quick answers
- Which hospitals does Lea Thies work at?
- Medicare's official clinician data lists Lea Thies at 3 hospitals: Fishermen's Community Hospital, Lower Keys Medical Center and Mariners Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lea Thies see patients?
- Medicare's clinician data lists 1 practice location in Marathon, FL. Call before your visit to confirm the address.
- What is Lea Thies's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Lea Thies accept Medicare assignment?
- Yes. Medicare's clinician data says Lea Thies 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 Lea Thies?
- (305) 434-1400, as listed in official Medicare / NPI Registry data.
- What is Lea Thies's NPI number?
- 1710266804. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lea Thies works
Medicare's Facility Affiliation Data lists Lea Thies at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Fishermen's Community HospitalMarathon, FL · Critical Access Hospital · CCN 101312
- Lower Keys Medical CenterKey West, FL · Acute Care Hospital · CCN 100150
- Mariners HospitalTavernier, FL · Critical Access Hospital · CCN 101313
Practice locations
Addresses where Lea Thies is enrolled with Medicare (CMS data updated 2026-10-02).
- 3303 Overseas Hwy, Suite 100Marathon, FL 33050 (305) 434‑1400
Group practices
Medicare enrollment lists Lea Thies as a member of this group (CMS data updated 2026-10-02).
- Baptist Health Medical Group Upper Keys LLC25 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Marathon
Clinicians with the same Medicare primary specialty in Marathon, FL — not a recommendation.
Clinician information
| Graduation year | 2008 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710266804 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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