Quick answers
- Does Maria Pia Castillo accept Medicare assignment?
- Yes. Medicare's clinician data says Maria Pia Castillo 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 Pia Castillo see?
- In 2024, CMS data shows 55 Original Medicare patients and 104 services for Maria Pia Castillo. This counts Original Medicare only and measures volume, not quality.
- What is Maria Pia Castillo's NPI number?
- 1932441409. 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 Pia Castillo, 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 | 55 |
|---|---|
| Services billed to Medicare | 104 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)30 services
- Hospital discharge day management, 30 minutes or less (99238)17 services
- Routine electrocardiogram (ecg) using at least 12 leads with tracing (93005)14 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)14 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 pressure67%
- High cholesterol62%
- Arthritis36%
- Diabetes31%
- Ischemic heart disease31%
- Atrial fibrillation24%
Hospitals where Maria Pia Castillo works
Medicare's Facility Affiliation Data lists Maria Pia Castillo at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- CHRISTUS St Vincent Regional Medical CenterSanta Fe, NM · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 320002
- Holy Cross Hospital a Div of Taos Health SystemsTaos, NM · Critical Access Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 321310
Practice locations
Addresses where Maria Pia Castillo is enrolled with Medicare (CMS data updated October 2, 2026).
- 528 Camino CoronadoTaos, NM 87571
Specialties
- Family Practiceprimary
Other family doctors in Taos
Clinicians with the same Medicare primary specialty in Taos, NM — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932441409 |
| 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
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 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