Quick answers
- Does Apolinario B. Mateo Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Apolinario B. Mateo Jr. 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 Apolinario B. Mateo Jr. see?
- In 2024, CMS data shows 24 Original Medicare patients and 41 services for Apolinario B. Mateo Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Apolinario B. Mateo Jr.'s NPI number?
- 1114964145. 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 Apolinario B. Mateo Jr., 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 | 24 |
|---|---|
| Services billed to Medicare | 41 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
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 cholesterol67%
- High blood pressure58%
Practice locations
Addresses where Apolinario B. Mateo Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1250 Shakespeare AveBronx, NY 10452 (646) 350‑1633
- 1711 Brookhaven AveFar Rockaway, NY 11691 (718) 852‑7000
Group practices
Medicare enrollment lists Apolinario B. Mateo Jr. as a member of these groups (CMS data updated October 2, 2026).
- Shakespeare Operating LLC151 clinicians in the group
- Mill Basin Medical Health PC111 clinicians in the group
Specialties
- Internal Medicineprimary
- Hematology/Oncologyalso
Other internal medicine doctors in Bronx
Clinicians with the same Medicare primary specialty in Bronx, NY — not a recommendation.
Other clinicians in Shakespeare Operating LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 (43 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114964145 |
| 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