Quick answers
- Does Mirasol H. Zalavarria accept Medicare assignment?
- Yes. Medicare's clinician data says Mirasol H. Zalavarria 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 Mirasol H. Zalavarria see?
- In 2024, CMS data shows 105 Original Medicare patients and 105 services for Mirasol H. Zalavarria. This counts Original Medicare only and measures volume, not quality.
- What is Mirasol H. Zalavarria's NPI number?
- 1174874952. 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 Mirasol H. Zalavarria, 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 | 105 |
|---|---|
| Services billed to Medicare | 105 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Anesthesia for procedure on anus and rectum (00902)61 services
- Anesthesia for other procedure on urinary system through urethra (00910)16 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 cholesterol75%
- High blood pressure71%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)62%
- Arthritis34%
- Ischemic heart disease34%
- Diabetes27%
Hospitals where Mirasol H. Zalavarria works
Medicare's Facility Affiliation Data lists Mirasol H. Zalavarria at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Texas Orthopedic HospitalHouston, TX · Acute Care Hospital · CCN 450804
Practice locations
Addresses where Mirasol H. Zalavarria is enrolled with Medicare (CMS data updated October 2, 2026).
- 1635 N Loop WHouston, TX 77008 (713) 400‑2990
- 7401 Main StHouston, TX 77030 (713) 400‑2990
Group practices
Medicare enrollment lists Mirasol H. Zalavarria as a member of this group (CMS data updated October 2, 2026).
- Texans Anesthesia Associates PLLC200 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Texas →
Other nurse anesthetists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Texans Anesthesia Associates PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174874952 |
| 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