Quick answers
- Does Maria Isabela Alves Chagas accept Medicare assignment?
- Yes. Medicare's clinician data says Maria Isabela Alves Chagas 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 Maria Isabela Alves Chagas see?
- In 2024, CMS data shows 16 Original Medicare patients and 17 services for Maria Isabela Alves Chagas. This counts Original Medicare only and measures volume, not quality.
- What is Maria Isabela Alves Chagas's NPI number?
- 1821831827. 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 Maria Isabela Alves Chagas, 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 | 16 |
|---|---|
| Services billed to Medicare | 17 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
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%
- Arthritis69%
Hospitals where Maria Isabela Alves Chagas works
Medicare's Facility Affiliation Data lists Maria Isabela Alves Chagas at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Townsen Memorial HospitalHumble, TX · Acute Care Hospital · CCN 670266
Practice locations
Addresses where Maria Isabela Alves Chagas is enrolled with Medicare (CMS data updated October 2, 2026).
- 1475 FM 1960 Bypass Rd E, Townsen Memorial HospitalHumble, TX 77338 (281) 369‑9001
- 3301 Spring Stuebner Rd, Suite 100Spring, TX 77389 (346) 386‑6700
Group practices
Medicare enrollment lists Maria Isabela Alves Chagas as a member of these groups (CMS data updated October 2, 2026).
- Compass Anesthesia Providers, PLLC165 clinicians in the group
- Dynamic Anesthesia Providers, PLLC110 clinicians in the group
Specialties
- Anesthesiology Assistantprimary
Other anesthesiologist assistants in Humble
Clinicians with the same Medicare primary specialty in Humble, TX — not a recommendation.
Other clinicians in Compass Anesthesia Providers, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | AA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821831827 |
| 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
- 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