Sienna Urgent Care

We’re open from 9 AM to 9 PM, 7 days a week, offering fast, affordable urgent care for patients of all ages in Sienna.

Urgent care walk-ins are always welcome! You can also easily schedule your visit from home.

8720 Hwy 6
Missouri City, Texas 77459

Next Level Urgent Care in Sienna provides convenient, affordable, and high-quality medical care to families throughout the Missouri City and south Houston area. Our clinic treats a wide range of minor illnesses and injuries, offering a faster, more accessible option than a traditional ER. Explore all the conditions we treat on our patient care page. The Sienna clinic is open seven days a week from 9 AM to 9 PM, with walk-ins and online appointments available.

Walk-In Urgent Care in Sienna, Missouri City

Our urgent care clinic in Sienna — located at 8720 Hwy 6 — offers same-day appointments for a wide range of urgent healthcare needs. Walk-ins are always welcome, and our care team works efficiently to ensure fast, compassionate service. As part of the Next Level Urgent Care network, we are dedicated to delivering high-quality, affordable medical care to the Sienna and Missouri City communities. Patients may call to schedule or use our Next Level App to reserve a time or get in line before arriving.

Where Quality Treatment Meets Affordable Care

Next Level Urgent Care Sienna provides quick, dependable treatment for a broad range of urgent medical concerns. Our visit costs and copays are often significantly lower than emergency room fees—sometimes as little as one-tenth of the price. For individuals without insurance or with high-deductible plans, we offer clear, affordable self-pay pricing when payment is made at the time of service. Our clinic treats non-life-threatening injuries such as sprains, minor fractures, cuts, and abrasions, as well as illnesses including sinus infections, allergies, sore throats, and ear or eye infections. We also provide cost-effective sports, employment, and DOT physicals. Additional prescription savings are available through our pharmacy discount card.

What We Treat at Our Sienna Urgent Care Clinic

At our Sienna clinic, we’re proud to serve the families and individuals who make this community home. From pediatric illnesses to adult injuries, our skilled team provides efficient, personalized care for a wide range of non-emergency health needs. Stop by or schedule an appointment in advance to get back to feeling your best.

Allergy and immunology

Food allergy treatment
Seasonal allergy care

Cardiovascular issues

Blood pressure checks
High Blood Pressure and Hypertensive urgencies
Palpitations

Endocrine issues

Blood sugar checks

Environmental injuries

Insect bites and stings
Minor burns
Minor frostbite injuries
Plant dermatitis (poison ivy)

Eyes, ears, nose, and throat

Ear pain
Eye redness
Eye pain
Minor corneal scratches or abrasions
Minor nosebleeds
Ocular foreign bodies
Sinusitis and sinus infections
Sore throats

Gastrointestinal complaints

Constipation
Gastroenteritis
Mild dehydration
Minor abdominal pain
Nausea
Vomiting and diarrhea
Rectal bleeding from hemorrhoids and fissures
Reflux
Swallowed foreign bodies (no respiratory distress)

Gynecology and women's health

Bartholin’s abscess
Mastitis (Breast infection)
Minor breast abscess treatment
Minor pelvic pain in the non-pregnant patient
Pelvic inflammatory disease
Pregnancy tests
Sexually transmitted disease
Vaginal bleeding in the non-pregnant patient
Vaginitis

Infectious illnesses

Common viral infections
Infectious diarrhea
Sexually transmitted diseases
Tetanus shots

Musculoskeletal complaints

Back and neck strain
Bursitis and tendonitis
Finger or toe dislocations
Joint sprains and strains
Minor closed fractures
Sports injuries
Broken bones

Neurologic disorders

Minor headaches and migraines
Motion sickness
Vertigo

Occupational health issues

Drug screening
Occupational Health Issues
Work related injuries

Pediatric complaints

Ear and throat infections
Fevers
Foreign bodies of the ears and nose
Mild croup
Minor asthma and bronchiolitis (lower respiratory tract infection in children)
Rashes
Urinary tract infections
Vomiting and diarrhea

Pulmonary complaints

Bronchitis
Cold and flu symptoms
Cough evaluation
Mild asthma exacerbations
Mild community-acquired pneumonia
Whooping Cough (Pertussis)

Renal and genitourinary complaints

Dysuria (painful urination)
Hematuria (blood in urine)
Mild kidney infections
Sexually transmitted diseases
Urinary tract infections

Skin disorders

Hives
Minor rash evaluation
Parasite infestation
Shingles

Wound care

Abrasions
Abscess treatment
Animal and insect bites
Finger and nail injuries
Laceration repair and post-repair care
Puncture wounds
Soft tissue foreign bodies
Wound packing

A Patient-Centered Urgent Care Experience in Sienna

Next Level Urgent Care Sienna is committed to providing a smooth, comfortable, and efficient patient experience. Our modern clinic is clean, welcoming, and designed to support quick check-ins and high-quality care. Our friendly staff works to minimize wait times while offering thorough, compassionate service. With the Next Level App, available for both iOS and Android, you can schedule appointments, check in, and manage your medical records from your mobile device.

Insurance and Convenient Payment Options

Next Level Urgent Care Sienna accepts most major insurance plans, and the full list is available here. For patients without insurance, we offer transparent self-pay pricing starting at $190. If you have questions about copays, coverage, or payment policies, please contact us here.

Serving Sienna, Missouri City, and the Fort Bend Community

In addition to our Sienna clinic, Next Level Urgent Care serves the broader Fort Bend County area with nearby locations in Sugar Land, Richmond | Long Meadow, and Rosenberg. With more than 45 clinics across Texas—including Houston, Austin, Beaumont, and San Antonio—we remain committed to expanding access to high-quality urgent care statewide.

Sienna Urgent Care FAQs

What insurance plans do you accept at the Sienna clinic?

We accept most major insurance carriers. View the full list here.

Can I walk in without an appointment?

Yes, Next Level Urgent Care Sienna welcomes walk-ins with minimal wait times. You can also schedule through our mobile app.

Do you treat children at this location?

Yes, we provide pediatric care for conditions including fever, infections, rashes, and minor injuries. You can view the full list of conditions we treat here.

How does your pricing compare to an ER?

Our urgent care services are often a fraction of ER costs. Insurance copays typically range from $25 to $100, while uninsured visits start at $190.

Where else can I find a Next Level clinic nearby?

We operate more than 45 clinics across Texas, including several throughout Fort Bend County and the Houston metro area. Find another location here.

Visit Our Sienna Urgent Care Clinic Today

Our Sienna clinic is located at 8720 Hwy 6, Missouri City, Texas 77459, and is open daily from 9 AM to 9 PM. Walk-ins are always welcome, and you may also schedule a visit using our mobile app. Our Highway 6 location is easy to access from Sienna Parkway and surrounding neighborhoods, and we offer convenient parking. We provide fast, high-quality healthcare for individuals and families in the Sienna and Missouri City area.

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