Quick answers
- Does Michael J. Sasevich Lorenzana accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Sasevich Lorenzana 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 Michael J. Sasevich Lorenzana see?
- In 2024, CMS data shows 29 Original Medicare patients and 46 services for Michael J. Sasevich Lorenzana. This counts Original Medicare only and measures volume, not quality.
- What is Michael J. Sasevich Lorenzana's NPI number?
- 1629271200. 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 Michael J. Sasevich Lorenzana, 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 | 29 |
|---|---|
| Services billed to Medicare | 46 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
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%
- Ischemic heart disease75%
- Heart failure75%
- COPD69%
- Arthritis59%
Hospitals where Michael J. Sasevich Lorenzana works
Medicare's Facility Affiliation Data lists Michael J. Sasevich Lorenzana 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.
- Hospital Menonita de CayeyCayey, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400013
Practice locations
Addresses where Michael J. Sasevich Lorenzana is enrolled with Medicare (CMS data updated October 2, 2026).
- Carretera 14 Interior, Bo RinconCayey, PR 00737 (787) 434‑1700
- PO Box, Suite 372800Cayey, PR 00737
Group practices
Medicare enrollment lists Michael J. Sasevich Lorenzana as a member of this group (CMS data updated October 2, 2026).
- Hospital Menonita de Cayey58 clinicians in the group
Specialties
- Thoracic Surgeryprimary
- Vascular Surgeryalso
Other thoracic surgeons in Puerto Rico
Clinicians with the same Medicare primary specialty in Puerto Rico — not a recommendation.
Other clinicians in Hospital Menonita de Cayey
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629271200 |
| 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