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Dr. Thuy Mai, DO

Fontana, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mai, Obstetrician / Gynecologist (OBGYN) in Fontana, CA?

    Dr. Thuy Mai, DO is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Fontana, CA with 2 additional practice locations. Dr. Mai graduated from Western University of Health Sciences College of Osteopathic Medicine of the Pacific. Dr. Mai is fluent in English and Vietnamese, and is currently seeing new patients. Dr. Mai’s practice accepts Kaiser Permanente and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mai’s office at (714) 858-1982.

    Where did Dr. Mai go to medical school and complete their residency?

    • Medical School: Western University of Health Sciences College of Osteopathic Medicine of the Pacific

    What languages does Dr. Mai speak?

    Dr. Mai and their clinical team can communicate with patients in the following languages:

    • English

    • Vietnamese

    What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. Mai typically treat?

    As an Obstetrician / Gynecologist (OBGYN), Dr. Mai diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Mai. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • High-Risk Pregnancy Due to Infertility History
    • Female Infertility
    • Health Problems in Pregnancy
    • Pregnancy after infertility
    • Infertility and pregnancy care
    • Special care for pregnancy after infertility

    ICD-10 Codes:

    • O0900: Supervision of pregnancy with history of infertility, unspecified trimester

    Also known as:

    • General Disorder Screening
    • General Health Screening
    • Health Screening
    • General Health Check
    • Disease Screening
    • Medical Disorder Screening
    • Routine Check-up
    • Preventive Health Exam
    • Wellness Screening

    ICD-10 Codes:

    • Z1389: Encounter for screening for other disorder
    • Z139: Encounter for screening, unspecified

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Prenatal Screening
    • Prenatal Testing
    • Antenatal Testing
    • Pregnancy Screening
    • Maternal Screening

    ICD-10 Codes:

    • Z369: Encounter for antenatal screening, unspecified

    Also known as:

    • Abnormal Uterine and Vaginal Bleeding
    • Vaginal Bleeding
    • Unusual Uterine Bleeding
    • Abnormal Vaginal Discharge
    • AUB
    • Irregular Genital Bleeding

    ICD-10 Codes:

    • N939: Abnormal uterine and vaginal bleeding, unspecified

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • Obesity during pregnancy
    • Health Problems in Pregnancy
    • Obesity
    • Maternal obesity
    • Obesity in pregnancy
    • Weight issues in pregnancy

    ICD-10 Codes:

    • O99213: Obesity complicating pregnancy, third trimester

    What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. Mai typically perform?

    As an Obstetrician / Gynecologist (OBGYN), Dr. Mai performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Mai. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Fetal Non-Stress Test
    • Nonstress Test
    • Nonstress Test (NST)
    • Fetal Heart Rate Monitoring
    • NST for Pregnancy
    • Baby Heartbeat Test

    CPT Codes:

    • 59025: Fetal non-stress test

    Does Dr. Mai accept my insurance?

    Dr. Mai accepts most major insurance plans. Important: Please call our office at (714) 858-1982 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mai accept in Fontana, CA?

    Dr. Mai in Fontana, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • City of Los Angeles

    • Elevance Health Inc. (formerly Anthem)

    • Inland Faculty Medical Group, Inc

    • Kaiser Permanente

    • Other Health Care Provider

    • Other Provider Networks

    • Unknown

    View All Insurances

    Where is Dr. Mai's office located?

    Dr. Thuy Mai's Primary Practice

    9961 Sierra Ave

    Fontana, CA 92335

    (714) 858-1982

    Get Directions

    Dr. Thuy Mai's Practice 2

    2295 S Vineyard Ave

    Ontario, CA 91761

    Get Directions

    Dr. Thuy Mai's Practice 3

    400 N Pepper Ave

    Colton, CA 92324

    Get Directions

    What is Dr. Mai's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Mai's National Provider Identifier (NPI) number is 1154669299.

    What common questions do patients ask about Dr. Mai?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mai

    What is Dr. Thuy Mai's specialty?

    Dr. Mai is a Obstetrician / Gynecologist (OBGYN) near Fontana, CA.

    What does an Obstetrician / Gynecologist (OBGYN) do?

    An obstetrician/gynecologist has specialized knowledge, skills, and expertise in the medical and surgical management of the female reproductive system and related disorders. This physician acts as a consultant to other healthcare providers while also serving as a primary care physician for women, addressing their unique health needs throughout various stages of life.

    Is this Dr. Thuy Mai affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mai is affiliated with Kaiser Permanente Fontana Medical Center, Kaiser Permanente Baldwin Park Medical Center, Kaiser Permanente South Bay Medical Center, Kaiser Permanente Riverside Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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 / Gynecologist (OBGYN)?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Obstetrician / Gynecologist (OBGYN). 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 Thuy Mai accepting new patients in Fontana, CA?

    Yes, Dr. Thuy Mai is accepting new patients at this time.

    Does Dr. Thuy Mai offer online booking?

    Please contact Dr. Mai's office at (714) 858-1982 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thuy Mai?

    Please contact Dr. Mai's office at (714) 858-1982 for information regarding telehealth appointment availability or for scheduling assistance.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>