Quick answers
- Does Alfredo Sardinas Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Alfredo Sardinas Jr. 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 Alfredo Sardinas Jr. see?
- In 2024, CMS data shows 86 Original Medicare patients and 11,708 services for Alfredo Sardinas Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Alfredo Sardinas Jr.'s NPI number?
- 1164719100. 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 Alfredo Sardinas Jr., 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 | 86 |
|---|---|
| Services billed to Medicare | 11,708 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)155 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)20 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%
- Arthritis75%
- Diabetes42%
- Chronic kidney disease34%
- Osteoporosis34%
Practice locations
Addresses where Alfredo Sardinas Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 2255 E Mossy Oaks Rd, Suite 500Spring, TX 77389 (281) 440‑5300
- 8845 Six Pines Dr, Suite 200Shenandoah, TX 77380 (281) 440‑5300
Group practices
Medicare enrollment lists Alfredo Sardinas Jr. as a member of this group (CMS data updated October 2, 2026).
- David P Ellent PLLC58 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in David P Ellent PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164719100 |
| 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