Quick answers
- Does Monica Mendez Ayala accept Medicare assignment?
- Yes. Medicare's clinician data says Monica Mendez Ayala 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 Monica Mendez Ayala see?
- In 2024, CMS data shows 39 Original Medicare patients and 2,102 services for Monica Mendez Ayala. This counts Original Medicare only and measures volume, not quality.
- What is Monica Mendez Ayala's NPI number?
- 1477580983. 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 Monica Mendez Ayala, 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 | 39 |
|---|---|
| Services billed to Medicare | 2,102 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)66 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%
- Diabetes72%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)44%
- Chronic kidney disease38%
- Arthritis36%
Practice locations
Addresses where Monica Mendez Ayala is enrolled with Medicare (CMS data updated October 2, 2026).
- 2 CarrManati, PR 00674 (787) 621‑3400
- 68 Calle Santa CruzBayamon, PR 00961 (787) 269‑4740
- Carr 2 Km 12, Torre B 7th Floor Suite 701Bayamon, PR 00959 (787) 395‑7085
Group practices
Medicare enrollment lists Monica Mendez Ayala as a member of these groups (CMS data updated October 2, 2026).
- Doctor's Center Hematology and Oncology Group, PSC6 clinicians in the group
- Doctors Center Hematology and Oncology Group Bayamon PSC4 clinicians in the group
- Bayamon Oncology Medical CSP2 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Manati
Clinicians with the same Medicare primary specialty in Manati, PR — not a recommendation.
Other clinicians in Doctor's Center Hematology and Oncology Group, PSC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Central Del Caribe Escuela De Medicina |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477580983 |
| 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