Quick answers
- Does Grecia M. Marquez Lizama accept Medicare assignment?
- Yes. Medicare's clinician data says Grecia M. Marquez Lizama 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.
- How many Medicare patients does Grecia M. Marquez Lizama see?
- In 2024, CMS data shows 32 Original Medicare patients and 83 services for Grecia M. Marquez Lizama. This counts Original Medicare only and measures volume, not quality.
- What is Grecia M. Marquez Lizama's NPI number?
- 1689150260. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Grecia M. Marquez Lizama, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 32 |
|---|---|
| Services billed to Medicare | 83 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 62 |
Most frequent services
- Hemoglobin a1c level (83036)25 services
- Insertion of needle into vein for collection of blood sample (36415)19 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure63%
- Diabetes47%
Practice locations
Addresses where Grecia M. Marquez Lizama is enrolled with Medicare (CMS data updated October 2, 2026).
- 2232 Grand AveFort Myers, FL 33901 (239) 344‑2391
Group practices
Medicare enrollment lists Grecia M. Marquez Lizama as a member of this group (CMS data updated October 2, 2026).
- Family Health Centers of Southwest Florida Inc36 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Fort Myers
Clinicians with the same Medicare primary specialty in Fort Myers, FL — not a recommendation.
Other clinicians in Family Health Centers of Southwest Florida Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689150260 |
| 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 October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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