Quick answers
- Does Armando L. Nazario Guirau accept Medicare assignment?
- Yes. Medicare's clinician data says Armando L. Nazario Guirau 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 Armando L. Nazario Guirau see?
- In 2024, CMS data shows 73 Original Medicare patients and 168 services for Armando L. Nazario Guirau. This counts Original Medicare only and measures volume, not quality.
- What is Armando L. Nazario Guirau's NPI number?
- 1962437814. 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 Armando L. Nazario Guirau, 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 | 73 |
|---|---|
| Services billed to Medicare | 168 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent 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)34 services
- Aspiration and/or injection of fluid from large joint (20610)21 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%
- Arthritis68%
- Diabetes63%
- Ischemic heart disease29%
- Osteoporosis27%
Practice locations
Addresses where Armando L. Nazario Guirau is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Ave Casa LindaBayamon, PR 00959 (787) 789‑1996
- 400 Ave Franklin D Roosevelt, Suite 101San Juan, PR 00918 (787) 789‑1996
Group practices
Medicare enrollment lists Armando L. Nazario Guirau as a member of this group (CMS data updated October 2, 2026).
- Clinica Las Americas Guaynabo, Inc51 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Bayamon
Clinicians with the same Medicare primary specialty in Bayamon, PR — not a recommendation.
Other clinicians in Clinica Las Americas Guaynabo, 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) | 1962437814 |
| 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