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Dr. Marissa Ylagan, MD

San Antonio, TX

Accepting patients

    Who is Dr. Ylagan, Maternal & Fetal Medicine Specialist in San Antonio, TX?

    Dr. Marissa Ylagan, MD is a Maternal & Fetal Medicine Specialist, who primarily practices in San Antonio, TX with 1 additional practice location. She is board certified. Dr. Ylagan is fluent in English and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Ylagan’s office at (210) 481-3000.

    What languages does Dr. Ylagan speak?

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

    • English

    • Spanish

    What conditions does Dr. Ylagan treat?

    As a Maternal & Fetal Medicine Specialist, Dr. Ylagan 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. Ylagan. 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.

    Also known as:

    • Pregnancy Care for Older Mothers with Previous Births
    • Pregnancy Care for Past Obstetric Problems
    • Pregnancy Care for History of Early Labor
    • General High-Risk Pregnancy Care
    • Health Problems in Pregnancy
    • Childbirth Problems
    • Advanced Maternal Age Multiple Pregnancies
    • Elderly Multigravida Care
    • Older Mother with Prior Births Pregnancy Monitoring
    • Monitoring Pregnancy After Reproductive Issues
    • Specialized Pregnancy Care for Previous Complications
    • High-Risk Obstetric History Management
    • Monitoring Pregnancy After Preterm Birth
    • Specialized Pregnancy Care for Past Early Delivery
    • High-Risk Obstetric Monitoring
    • Specialized Obstetric Monitoring
    • Maternal-Fetal Medicine Consult
    • Pregnancy Management for Complications

    ICD-10 Codes:

    • O09523: Supervision of elderly multigravida, third trimester
    • O09293: Supervision of pregnancy with other poor reproductive or obstetric history, third trimester
    • O09292: Supervision of pregnancy with other poor reproductive or obstetric history, second trimester
    • O09213: Supervision of pregnancy with history of pre-term labor, third trimester
    • O09893: Supervision of other high risk pregnancies, third trimester

    Also known as:

    • Fetal Abnormality
    • Birth Defects
    • Health Problems in Pregnancy
    • Congenital Anomaly
    • Fetal Malformation
    • Developmental Abnormality
    • Birth Defect

    ICD-10 Codes:

    • O358XX0: Maternal care for other (suspected) fetal abnormality and damage, not applicable or unspecified

    Also known as:

    • Diet-Controlled Gestational Diabetes
    • Insulin-Controlled Gestational Diabetes
    • Gestational Diabetes
    • Diabetes and Pregnancy
    • Gestational diabetes
    • Gestational diabetes managed by diet
    • Pregnancy diabetes diet control
    • GDM diet management
    • Pregnancy Diabetes on Insulin
    • Insulin for Gestational Diabetes
    • GDM with Insulin
    • Pregnancy Diabetes
    • Diabetes developed during pregnancy
    • GDM

    ICD-10 Codes:

    • O24410: Gestational diabetes mellitus in pregnancy, diet controlled
    • O24414: Gestational diabetes mellitus in pregnancy, insulin controlled
    • O24419: Gestational diabetes mellitus in pregnancy, unspecified control

    Also known as:

    • High Blood Pressure During Pregnancy
    • Essential High Blood Pressure During Pregnancy
    • High Blood Pressure in Pregnancy
    • Chronic hypertension in pregnancy
    • Essential hypertension complicating pregnancy
    • Hypertension during gestation
    • Pre-existing high blood pressure in pregnancy
    • Chronic Essential Hypertension in Pregnancy
    • Primary Hypertension During Pregnancy
    • High Blood Pressure Before Pregnancy

    ICD-10 Codes:

    • O10013: Pre-existing essential hypertension complicating pregnancy, third trimester
    • O10012: Pre-existing essential hypertension complicating pregnancy, second trimester

    Also known as:

    • Pregnancy Care for Older Mothers with Previous Pregnancies
    • Supervision for Other High-Risk Pregnancies
    • Health Problems in Pregnancy
    • Pregnancy monitoring for older mothers
    • Managing pregnancy for advanced maternal age (multiple births)
    • Geriatric multigravida care
    • Older mom with previous pregnancies
    • Monitoring for various high-risk pregnancies
    • Managing other complex pregnancies
    • Special care for high-risk pregnancy
    • Unspecified high-risk pregnancy management

    ICD-10 Codes:

    • O09522: Supervision of elderly multigravida, second trimester
    • O09892: Supervision of other high risk pregnancies, second trimester

    Also known as:

    • Poor Fetal Growth
    • Health Problems in Pregnancy
    • Fetal Growth Restriction
    • Small for Gestational Age
    • Intrauterine Growth Restriction (IUGR)

    ICD-10 Codes:

    • O365930: Maternal care for other known or suspected poor fetal growth, third trimester, not applicable or unspecified

    Also known as:

    • Excessive Fetal Growth
    • Health Problems in Pregnancy
    • Large baby in womb
    • Macrosomia
    • Big baby

    ICD-10 Codes:

    • O3663X0: Maternal care for excessive fetal growth, third trimester, not applicable or unspecified

    Also known as:

    • Diabetes Complicationss
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Complications
    • Diabetes Related Health Problems
    • Advanced Diabetes

    ICD-10 Codes:

    • E118: Type 2 diabetes mellitus with unspecified complications

    Also known as:

    • Hormone, Nutrition, or Metabolism Problems during Late Pregnancy
    • Health Problems in Pregnancy
    • Endocrine disease in third trimester
    • Metabolic disorders late pregnancy
    • Nutritional issues during third trimester

    ICD-10 Codes:

    • O99283: Endocrine, nutritional and metabolic diseases complicating pregnancy, third trimester

    Also known as:

    • 34 Weeks Pregnant
    • Pregnancy
    • Gestation at 34 weeks
    • 34th week of pregnancy
    • Third trimester

    ICD-10 Codes:

    • Z3A34: 34 weeks gestation of pregnancy

    Also known as:

    • Family History of Birth Defects or Genetic Disorder
    • Birth Defects
    • Family History
    • Genetic Disorder
    • Genetic risk for birth defects
    • Hereditary chromosomal abnormalities
    • Congenital anomalies in family

    ICD-10 Codes:

    • Z8279: Family history of other congenital malformations, deformations and chromosomal abnormalities

    Which procedures does Dr. Ylagan perform as a Maternal & Fetal Medicine Specialist?

    As a Maternal & Fetal Medicine Specialist, procedures performed by a Dr. Marissa Ylagan may include:

    For detailed information, please contact Dr. Ylagan's office.

    Does Dr. Ylagan accept my insurance?

    Dr. Ylagan accepts most major insurance plans. Important: Please call our office at (210) 481-3000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ylagan accept in San Antonio, TX?

    Dr. Ylagan in San Antonio, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Centene

    • CVS Health (formerly Aetna)

    • Department of Veterans Affairs

    • Driscoll Health Plan

    • Hawaii Management Alliance Association (HMAA)

    View All Insurances

    Where is Dr. Ylagan's office located?

    Dr. Marissa Ylagan's Primary Practice

    315 N San Saba Ste 930

    San Antonio, TX 78207

    (210) 481-3000

    Get Directions

    Dr. Marissa Ylagan's Practice 2

    502 Madison Oak Dr Ste 210

    San Antonio, TX 78258

    (210) 481-3000

    Get Directions

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

    Dr. Ylagan's National Provider Identifier (NPI) number is 1942266051.

    What common questions do patients ask about Dr. Ylagan?

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

    What is Dr. Marissa Ylagan's specialty?

    Dr. Ylagan is a Maternal & Fetal Medicine Specialist near San Antonio, TX. An obstetrician/gynecologist who specializes in the care of patients with pregnancy complications provides consultation and management for those experiencing obstetrical, medical, and surgical issues related to pregnancy. This specialist has advanced knowledge of the effects of these complications on both the mother and the fetus, as well as expertise in the latest diagnostic and treatment modalities for managing complicated pregnancies. Contact Dr. Ylagan to book an appointment today.

    Is this Dr. Marissa Ylagan affiliated with a ranked Castle Connolly Top Hospital?

    No, Ylagan 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

    Where can I learn more about Maternal & Fetal Medicine Specialist?

    Explore Maternal & Fetal Medicine Specialist with 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 Marissa Ylagan accepting new patients in San Antonio, TX?

    Yes, Dr. Marissa Ylagan is accepting new patients at this time.

    Does Dr. Marissa Ylagan offer online booking?

    Please contact Dr. Ylagan's office at (210) 481-3000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Marissa Ylagan?

    Please contact Dr. Ylagan's office at (210) 481-3000 for information regarding telehealth appointment availability or for scheduling assistance.

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