Quick answers
- Does Tomas G. Rios accept Medicare assignment?
- Yes. Medicare's clinician data says Tomas G. Rios 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 Tomas G. Rios see?
- In 2024, CMS data shows 206 Original Medicare patients and 1,900 services for Tomas G. Rios. This counts Original Medicare only and measures volume, not quality.
- What is Tomas G. Rios's NPI number?
- 1952657876. 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 Tomas G. Rios, 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 | 206 |
|---|---|
| Services billed to Medicare | 1,900 |
| Different services or procedures | 71 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, methylprednisolone sodium succinate, 5 mg (J2919)300 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)191 services
- Insertion of needle into vein for collection of blood sample (36415)101 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)88 services
- Blood test, comprehensive group of blood chemicals (80053)83 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 cholesterol70%
- High blood pressure67%
- Arthritis38%
- Ischemic heart disease29%
- Diabetes19%
- Atrial fibrillation19%
Practice locations
Addresses where Tomas G. Rios is enrolled with Medicare (CMS data updated October 2, 2026).
- 921 Gessner RdHouston, TX 77024 (832) 323‑9230
Group practices
Medicare enrollment lists Tomas G. Rios as a member of this group (CMS data updated October 2, 2026).
- Rios Healthcare Associates PLLC2 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Rios Healthcare Associates PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952657876 |
| 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