Quick answers
- Does Gamaliel G. Mattos accept Medicare assignment?
- Yes. Medicare's clinician data says Gamaliel G. Mattos 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 Gamaliel G. Mattos see?
- In 2024, CMS data shows 261 Original Medicare patients and 2,086 services for Gamaliel G. Mattos. This counts Original Medicare only and measures volume, not quality.
- What is Gamaliel G. Mattos's NPI number?
- 1265481618. 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 Gamaliel G. Mattos, 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 | 261 |
|---|---|
| Services billed to Medicare | 2,086 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 82 |
Most frequent services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)704 services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)668 services
- Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a (G0179)373 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)101 services
- Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes (99344)65 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 blood pressure75%
- High cholesterol75%
- Arthritis75%
- Anxiety75%
- Alzheimer's disease or dementia75%
- Depression69%
Practice locations
Addresses where Gamaliel G. Mattos is enrolled with Medicare (CMS data updated October 2, 2026).
- 4001 NW 97th Ave, Suite 101Miami, FL 33178 (305) 436‑7988
- 4001 NW 97th Ave, Suite101Doral, FL 33178
Specialties
- General Practiceprimary
- General Surgeryalso
- Vascular Surgeryalso
Other general practitioners in Miami
Clinicians with the same Medicare primary specialty in Miami, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1970 (56 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265481618 |
| 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