Quick answers
- Does Alyssa B. Arredondo accept Medicare assignment?
- Medicare's clinician data says Alyssa B. Arredondo may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Alyssa B. Arredondo see?
- In 2024, CMS data shows 56 Original Medicare patients and 2,149 services for Alyssa B. Arredondo. This counts Original Medicare only and measures volume, not quality.
- What is Alyssa B. Arredondo's NPI number?
- 1538370036. 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 Alyssa B. Arredondo, 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 | 56 |
|---|---|
| Services billed to Medicare | 2,149 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Test for allergy using allergenic extract (95004)960 services
- Test for allergy using allergenic extract injected into skin (95024)374 services
- Professional service for multiple injections of allergen (95117)226 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)20 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 cholesterol64%
- High blood pressure59%
- Arthritis46%
Practice locations
Addresses where Alyssa B. Arredondo is enrolled with Medicare (CMS data updated October 2, 2026).
- 115 N Loop 1604, Suite 1204San Antonio, TX 78232 (512) 550‑1800
- 7125 New Sanger Ave, Suite 504Waco, TX 76712 (512) 550‑1800
Group practices
Medicare enrollment lists Alyssa B. Arredondo as a member of this group (CMS data updated October 2, 2026).
- Sinus and Allergy Specialists of Texas44 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in Sinus and Allergy Specialists of Texas
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1538370036 |
| 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