Quick answers
- Does Lionel Fernandez Lopez accept Medicare assignment?
- Yes. Medicare's clinician data says Lionel Fernandez Lopez 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 Lionel Fernandez Lopez see?
- In 2024, CMS data shows 123 Original Medicare patients and 387 services for Lionel Fernandez Lopez. This counts Original Medicare only and measures volume, not quality.
- What is Lionel Fernandez Lopez's NPI number?
- 1922082445. 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 Lionel Fernandez Lopez, 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 | 123 |
|---|---|
| Services billed to Medicare | 387 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Removal of impacted ear wax (69210)105 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)91 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)60 services
- Diagnostic exam of voice box using an endoscope with mirror (31505)49 services
- Exam of nasal passage and sinus using an endoscope (31233)39 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%
- Diabetes68%
- Arthritis41%
- Osteoporosis24%
- Chronic kidney disease21%
Practice locations
Addresses where Lionel Fernandez Lopez is enrolled with Medicare (CMS data updated October 2, 2026).
- 2 Calle CrisalidaGuaynabo, PR 00969 (787) 720‑5222
- Uu43 Calle, Suite 30Bayamon, PR 00956 (787) 787‑8669
Group practices
Medicare enrollment lists Lionel Fernandez Lopez as a member of these groups (CMS data updated October 2, 2026).
- Physiotherapy Rehabilitation Services Inc54 clinicians in the group
- Gbo Oto Group PSC2 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Puerto Rico
Clinicians with the same Medicare primary specialty in Puerto Rico — not a recommendation.
Other clinicians in Physiotherapy Rehabilitation Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922082445 |
| 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