Quick answers
- Does Ernesto Ruiz Huidobro accept Medicare assignment?
- Yes. Medicare's clinician data says Ernesto Ruiz Huidobro 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 Ernesto Ruiz Huidobro see?
- In 2024, CMS data shows 270 Original Medicare patients and 34,986 services for Ernesto Ruiz Huidobro. This counts Original Medicare only and measures volume, not quality.
- What is Ernesto Ruiz Huidobro's NPI number?
- 1790730273. 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 Ernesto Ruiz Huidobro, 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 | 270 |
|---|---|
| Services billed to Medicare | 34,986 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, tezepelumab-ekko, 1 mg (J2356)11,761 services
- Injection, omalizumab, 5 mg (J2357)9,382 services
- Test for allergy using allergenic extract (95004)4,368 services
- Professional service for preparation and provision of 1 or more antigens (95165)1,904 services
- Test for allergy using allergenic extract injected into skin (95024)1,261 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 pressure64%
- Arthritis52%
- Asthma36%
- Ischemic heart disease28%
- Anxiety26%
Practice locations
Addresses where Ernesto Ruiz Huidobro is enrolled with Medicare (CMS data updated October 2, 2026).
- 900 E Southlake Blvd, Suite 300Southlake, TX 76092 (817) 421‑0770
Group practices
Medicare enrollment lists Ernesto Ruiz Huidobro as a member of this group (CMS data updated October 2, 2026).
- Texas Regional Asthma and Allergy Center3 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Southlake
Clinicians with the same Medicare primary specialty in Southlake, TX — not a recommendation.
Other clinicians in Texas Regional Asthma and Allergy Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790730273 |
| 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