
Accepting patients
Who is Dr. Riera, Obstetrician in Houston, TX?
Dr. Gregorio Riera, MD is an Obstetrician, who primarily practices in Houston, TX. Dr. Riera graduated from Universidad De Carabobo, Valencia. Dr. Riera is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Riera’s office at (713) 798-7500.
Where did Dr. Riera go to medical school and complete their residency?
Medical School: Universidad De Carabobo, Valencia
What languages does Dr. Riera speak?
Dr. Riera and their clinical team can communicate with patients in the following languages:
English
What conditions does an Obstetrician like Dr. Riera typically treat?
As an Obstetrician, conditions treated by Dr. Gregorio Riera may include:
- Amenorrhea
- Antiphospholipid Syndrome
- Bacterial Vaginosis
- Breech Birth
- Cervical Cancer
- Chemical Pregnancy
- Cord Knots
- Dilation & Curettage
Please contact Dr. Riera's office directly to confirm care for your specific condition, for more information, or to schedule a consultation.
What procedures does an Obstetrician like Dr. Riera typically perform?
As an Obstetrician, procedures performed by Dr. Gregorio Riera may include:
- Abortion Consultation
- Abortion Follow Up
- Abortion (Medical)
- Abortion (Surgical)
- Annual Pap Smear / GYN Exam
- Antepartum Care
- Anterior Repair
- Artificial Insemination / Intra-Uterine
Please contact Dr. Riera's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Riera accept my insurance?
Please contact Dr. Riera's office to confirm accepted insurance plans.
Where is Dr. Riera's office located?
Dr. Gregorio Riera's Primary Practice
6620 Main St Ste 1450
Houston, TX 77030
(713) 798-7500
What is Dr. Riera's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Riera's National Provider Identifier (NPI) number is 1821282278.
What common questions do patients ask about Dr. Riera?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Riera
What is Dr. Gregorio Riera's specialty?
Dr. Riera is a Obstetrician near Houston, TX.
What does an Obstetrician do?
A physician specializing in the diagnosis, treatment, and management of patients with obstetric conditions focuses on the health and care of women during pregnancy, childbirth, and the postpartum period, addressing a wide range of issues related to maternal and fetal well-being.
Is this Dr. Gregorio Riera affiliated with a ranked Castle Connolly Top Hospital?
No, Riera is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Obstetrician?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Obstetrician. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Gregorio Riera accepting new patients in Houston, TX?
Yes, Dr. Gregorio Riera is accepting new patients at this time.
Does Dr. Gregorio Riera offer online booking?
Please contact Dr. Riera's office at (713) 798-7500 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Gregorio Riera?
Please contact Dr. Riera's office at (713) 798-7500 for information regarding telehealth appointment availability or for scheduling assistance.
Other Obstetrician Near Houston, TX
RC
Maternal & Fetal Medicine Specialist
Dr. Robert Carpenter, MD is a Maternal & Fetal Medicine Specialist, who primarily practices in Houston, TX with 2 additional practice locations.
Houston, TX
CA
Maternal & Fetal Medicine Specialist
Dr. Connie Agnew Brien, MD is a Maternal & Fetal Medicine Specialist, who primarily practices in Houston, TX with 1 additional practice location. She has been practicing for over 36 years.
Houston, TX

Obstetrician / Gynecologist (OBGYN)
Dr. Xiaoming Guan, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Houston, TX.
Houston, TX