Quick answers
- Does Mahek K. Shah accept Medicare assignment?
- Yes. Medicare's clinician data says Mahek K. Shah 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 Mahek K. Shah see?
- In 2024, CMS data shows 411 Original Medicare patients and 1,954 services for Mahek K. Shah. This counts Original Medicare only and measures volume, not quality.
- What is Mahek K. Shah's NPI number?
- 1659626216. 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 Mahek K. Shah, 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 | 411 |
|---|---|
| Services billed to Medicare | 1,954 |
| Different services or procedures | 54 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)419 services
- Critical care, first 30-74 minutes (99291)319 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)182 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)175 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)130 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%
- Ischemic heart disease75%
- Heart failure75%
- Chronic kidney disease65%
- Diabetes57%
Hospitals where Mahek K. Shah works
Medicare's Facility Affiliation Data lists Mahek K. Shah 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.
- Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450058
- CHRISTUS Santa Rosa Hospital-San MarcosSan Marcos, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450272
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450388
- Methodist Hospital Hill CountryFredericksburg, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450604
Practice locations
Addresses where Mahek K. Shah is enrolled with Medicare (CMS data updated October 2, 2026).
- 4499 Medical Dr, Suite 166San Antonio, TX 78229 (210) 575‑8485
Group practices
Medicare enrollment lists Mahek K. Shah as a member of this group (CMS data updated October 2, 2026).
- Methodist Physician Practices PLLC175 clinicians in the group
Specialties
Find other Advanced Heart Failure and Transplant Cardiology doctors in Texas →
Other heart failure and transplant cardiologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
- Serafim Perdikis, MD
- Eson P. Ekpo, MD
- Rashonda A. Carlisle, MD
- Javier Amione Guerra, MD
- Sachin Gupta, MD
- Allen S. Anderson, MD
All heart failure and transplant cardiologists in San Antonio →
Other clinicians in Methodist Physician Practices PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659626216 |
| 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