top of page

RIVERSTONE
MEDICAL ASSOCIATES

Your Primary Care PLLC

Your Primary Care PLLC

RIVERSTONE
MEDICAL ASSOCIATES

Doctor Measuring Blood Pressure

Personalized and Comprehensive Healthcare Services

We Come to You In-Home & Facility-Based Primary Care Available.

Providing house calls, in-clinic visits, and telemedicine services to patients at home, assisted living facilities, nursing homes, personal care homes, and group homes across Missouri City and surrounding areas.

Your Primary Care PLLC

Your Primary Care PLLC

Smiling Female Doctor

Your Care. Our Commitment.

Call Now to Book Your In-Home Consultation

Doctor With Patient

Your partner in providing trusted healthcare solutions.

Medical Team Discussion

We are Your Primary Care PLLC, doing business as Riverstone Medical Associates, the leading healthcare company in Missouri City, Texas. We provide telemedicine and house call services in Houston and nearby counties. Our objective is to deliver efficient and affordable medical care to the needy population of all age groups in a timely manner while striving to improve quality care outcomes.

About Your Primary Care PLLC

Quality of Care Services

Top-notch services to achieve your health goals.

Standards of Treatment

Evidence-based care for optimal results.

Infection Prevention

Safe and sterile environment.

Easy Appointment

Evidence-based care for optimal results.

Our Commitment

We Are Committed To

We are dedicated to delivering patient-centered healthcare with a focus on quality, compassion, and convenient access to care for individuals and families.

High Quality Care

We provide comprehensive, evidence-based primary care services focused on accurate diagnosis, effective treatment, and improved health outcomes for every patient we serve.

Compassionate Service

We treat every patient with dignity, respect, and understanding, ensuring personalized care that prioritizes comfort, trust, and long-term relationships.

Accessible, Convenient Appointments

From in-clinic visits to house calls and telemedicine services, we make healthcare accessible and convenient to fit your schedule and individual needs.

Patient-Centered Approach

We focus on listening carefully, understanding your health goals, and developing personalized care plans tailored to your lifestyle and medical history.

Why Choose Us

Personalized, Compassionate Primary Care You Can Trust

At Riverstone Medical Associates (Your Primary Care PLLC), we are committed to delivering high-quality, patient-centered healthcare for individuals and families in Missouri City and surrounding areas.

We Come to You

Our house call services bring medical care directly to your home, assisted living facility, nursing home, or group home — reducing travel stress and wait times while ensuring comfort and convenience.

Experienced & Caring Providers

Our dedicated medical team focuses on building long-term relationships with patients through attentive listening, thorough evaluations, and personalized treatment plans.

Comprehensive Primary Care

From annual wellness visits and chronic disease management to sick visits and preventive screenings, we provide complete care for your everyday health needs.

How We Work

Your complete guide to better health care.

Discover a seamless process designed to provide you with the best healthcare solutions, tailored to your needs.

Doctor Examining Patient

Receive personalized care and treatment tailored to your needs.​

Compassionate Trust

Easily schedule your visit at a time that works best for you.​

Conduct Checkup

Our experts perform a thorough evaluation to assess your health.​

Perform Treatment
Prescribe & Payment

Get your prescriptions and settle payments quickly and hassle-free.

House Call Services

Wherever You Are, We Come to You

At Riverstone Medical Associates (Your Primary Care PLLC), we deliver high-quality primary care directly to your doorstep. Whether at home, in assisted living, nursing facilities, personal care homes, or group homes, our providers travel to you for convenient and accessible care.

Our house call services reduce travel stress, minimize wait times, and provide personalized, one-on-one medical attention in the comfort of your own environment.

Doctor and Patient

Comprehensive primary care visits in the comfort of your home​

Management of chronic conditions such as diabetes, hypertension, and heart disease​​

Preventive care, annual wellness visits, and routine health screenings​

Our Services

Bringing Expert Care and Compassion Together.

We proudly serve Houston and surrounding areas with in-clinic visits, house calls, and telemedicine services.

House Call Visits

Personalized primary care delivered to your home or care facility, including Mobile X-Ray Services and Lab Draws for convenient, stress-free medical attention.

Internal Medicine/ Family Medicine

Comprehensive care for adults and families, addressing a wide range of medical needs.

Aesthetic Clinic Professional
Medical Team Discussion
Weight Loss Treatment

Tailored programs to help you achieve and maintain a healthy weight.

Chronic Disease Management

Ongoing care and monitoring for conditions such as diabetes, hypertension, heart disease, and other chronic illnesses.

A New Primary Care Clinic Serving Missouri City, TX and Surrounding Areas with Experienced Providers

We proudly serve Houston and surrounding areas with in-clinic visits, house calls, and telemedicine services.

We accept all major insurance plans and cash payments.

Vincent-Alexander-FNP.jpg

Vincent Alexander, FNP

​Specialty: Family Nurse Practitioner

Degrees Held: MSN-FNP, Walden University BSN, MG University, India

​Associations: AANP (2018)

Languages Spoken: English, Malayalam, Hindi, Tamil and Kannada.

Services Offered :

Telemedicine, House Call Visits, Primary Care, Chronic Disease Management, and Preventive Care

Vincent Alexander completed his FNP Program from Walden University in 2018 and since then he is practicing primary care and telemedicine especially taking care of the medical needs of children, adults and the older population. He also has 18 years of health care experience in various fields including acute care, hospitals, home health and house call visits.

He believes in holistic approach and pays attention to patient needs and is deeply committed to providing quality, efficient, safe and affordable health care to patients and families.

Dr.-Shebey-Thomas.jpg

Services Offered :

Dr. Shebey Thomas, MD, is a board-certified Internal Medicine physician with over a decade of experience across diverse healthcare settings. He earned his MD from the University of Debrecen Medical School in Hungary and completed his residency in Internal Medicine at Robert Packer Hospital/Guthrie Clinic, Pennsylvania, where he received multiple awards, including Resident of the Year.

Dr. Thomas is the owner and Medical Director of Riverstone Medical Associates in Missouri City, Texas, where he specializes in providing primary and ambulatory care. With expertise in internal medicine, he is also actively involved in clinical research, teaching, and quality improvement projects. His contributions to medicine are complemented by published abstracts and recognition for professionalism and excellence.

Telemedicine, House Call Visits, Internal Medicine, Preventive Care, and Chronic Disease Management.

Dr. Shebey Thomas, MD

Specialty: Internal Medicine

Degrees Held: MD - University of Debrecen Medical School and Health Science Centre, Hungary

Associations: American Board of Internal Medicine

Languages Spoken: English, Malayalam

Services Offered :

Ready for Your Appointment?

Complete your forms in advance to save time and ensure a smooth check-in experience at Riverstone Medical Associates.

bottom of page