Same-Day Access
For many concerns, patients need timely care — not a visit several weeks away.
Independent physician-led care in Houston
Primary care built around access, time, and trust.
Rios Healthcare provides internal medicine, primary care, same-day sick visits, chronic care management, in-house lab testing, and X-ray services — with new direct-care options being developed for patients who want a more personal and transparent path to care.
Online appointment requests are reviewed by our staff. Submitting a request does not confirm an appointment time.
Why patients choose Rios Healthcare
We are building a more flexible primary care model without losing what matters most: access, continuity, diagnostics, and a real doctor-patient relationship.
In-House Labs
Onsite testing helps shorten the distance between evaluation, diagnosis, and follow-up.
X-Ray & Diagnostics
Our main office supports practical, clinic-based diagnostics when clinically appropriate.
Physician-Led Care
Care decisions should center on the patient relationship, not only the insurance workflow.
Primary care, urgent concerns, and ongoing medical management
Rios Healthcare serves adults and families through comprehensive primary care and internal medicine services.
Primary Care
Routine medical care, preventive care, medication management, and long-term health planning.
Same-Day Sick Visits
Evaluation for many acute concerns such as respiratory symptoms, infections, pain, and other non-emergency issues.
Annual Physicals
Preventive exams, screening discussions, lab planning, and risk-factor review.
Chronic Care
Ongoing care for conditions such as hypertension, diabetes, cholesterol, thyroid disease, and more.
Geriatric Care
Care coordination and medical management for older adults and patients with complex needs.
Labs & Diagnostics
In-house testing and X-ray services help support timely care and follow-up when available and appropriate.
A more flexible future for primary care
Healthcare has become increasingly complicated for patients and physicians alike. Rios Healthcare continues to care for patients through traditional insurance and self-pay options while developing direct-care membership options designed to improve access, transparency, and the doctor-patient relationship.
The goal is not to abandon patients. The goal is to protect access and create clearer, more sustainable ways for patients to receive care.
Ask About Direct Care✓ Traditional insurance pathways remain part of care
✓ Self-pay and transparent pricing options can be expanded
✓ Membership-style access can support continuity and availability
✓ Patients can express interest before the model fully launches
Online lab ordering through Rios Click Labs
Looking for self-directed lab testing? Rios Click Labs allows patients to review available lab panels and select certain testing options online.
Rios Click Labs
Rios Click Labs is separate from the main clinical practice site and supports online lab-ordering workflows.
Visit Rios Click LabsMeet our providers
Rios Healthcare is led by physicians committed to relationship-based, practical, and accessible medical care.
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Tomas G. Rios, MD
Internal medicine physician and founder of Rios Healthcare Associates.
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Nicolin Neal, MD
Physician providing thoughtful primary care, geriatrics, and whole-person medical care.
Need care? Book your appointment online.
Complete your booking details online. Our staff will review your information and send confirmation shortly. Your appointment is not finalized until confirmed by our office.