Quick answers
- Does Alexander R. Carrasquillo accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander R. Carrasquillo 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 Alexander R. Carrasquillo see?
- In 2024, CMS data shows 453 Original Medicare patients and 482 services for Alexander R. Carrasquillo. This counts Original Medicare only and measures volume, not quality.
- What is Alexander R. Carrasquillo's NPI number?
- 1588925325. 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 Alexander R. Carrasquillo, 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 | 453 |
|---|---|
| Services billed to Medicare | 482 |
| Different services or procedures | 81 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)56 services
- Anesthesia for other procedure on urinary system through urethra (00910)33 services
- Anesthesia for other procedure on upper abdomen (00790)28 services
- Anesthesia for extensive surgery on spine (00670)26 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)22 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%
- Arthritis57%
- Diabetes46%
- Ischemic heart disease41%
- Chronic kidney disease29%
Hospitals where Alexander R. Carrasquillo works
Medicare's Facility Affiliation Data lists Alexander R. Carrasquillo 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.
- Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330332
Practice locations
Addresses where Alexander R. Carrasquillo is enrolled with Medicare (CMS data updated October 2, 2026).
- 4295 Hempstead TpkeBethpage, NY 11714 (516) 579‑6000
Group practices
Medicare enrollment lists Alexander R. Carrasquillo as a member of this group (CMS data updated October 2, 2026).
- CHS Physician Partners PC743 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Bethpage
Clinicians with the same Medicare primary specialty in Bethpage, NY — not a recommendation.
Other clinicians in CHS Physician Partners PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588925325 |
| 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
- 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