Quick answers
- Does Lakeisha Guilliam accept Medicare assignment?
- Yes. Medicare's clinician data says Lakeisha Guilliam accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Lakeisha Guilliam's NPI number?
- 1336918358. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lakeisha Guilliam works
Medicare's Facility Affiliation Data lists Lakeisha Guilliam at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- AdventHealth WatermanTavares, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 100057
Practice locations
Addresses where Lakeisha Guilliam is enrolled with Medicare (CMS data updated October 2, 2026).
- 2228 S Kirkman Rd, Optum Park PlaceOrlando, FL 32811 (407) 615‑8180
Group practices
Medicare enrollment lists Lakeisha Guilliam as a member of this group (CMS data updated October 2, 2026).
- Optumcare Florida, LLC272 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Orlando
Clinicians with the same Medicare primary specialty in Orlando, FL — not a recommendation.
Other clinicians in Optumcare Florida, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336918358 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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