Quick answers
- Does Carlos A. Montoya accept Medicare assignment?
- Yes. Medicare's clinician data says Carlos A. Montoya 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 Carlos A. Montoya see?
- In 2024, CMS data shows 338 Original Medicare patients and 376 services for Carlos A. Montoya. This counts Original Medicare only and measures volume, not quality.
- What is Carlos A. Montoya's NPI number?
- 1174752141. 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 Carlos A. Montoya, 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 | 338 |
|---|---|
| Services billed to Medicare | 376 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Anesthesia for retinal surgery (00145)161 services
- Anesthesia for lens surgery (00142)103 services
- Anesthesia for other procedure on eye (00140)36 services
- Anesthesia for procedure on eye for corneal transplant (00144)13 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%
- Arthritis45%
- Diabetes36%
- Ischemic heart disease32%
- Chronic kidney disease28%
Hospitals where Carlos A. Montoya works
Medicare's Facility Affiliation Data lists Carlos A. Montoya at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Surgery Specialty Hospitals of America SE HoustonPasadena, TX · Acute Care Hospital · CCN 450831
Practice locations
Addresses where Carlos A. Montoya is enrolled with Medicare (CMS data updated October 2, 2026).
- 111 Vision Park Blvd, Suite 200Shenandoah, TX 77384 (281) 845‑3378
- 26710 Interstate 45, Suite B100Spring, TX 77386 (281) 419‑1117
Group practices
Medicare enrollment lists Carlos A. Montoya as a member of this group (CMS data updated October 2, 2026).
- Dynamic Anesthesia Providers, PLLC110 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Shenandoah
Clinicians with the same Medicare primary specialty in Shenandoah, TX — not a recommendation.
Other clinicians in Dynamic Anesthesia Providers, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174752141 |
| 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