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Dr. Kathleen Brennan, MD

Dr. Kathleen Brennan, MD

Los Angeles, CA

15 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Brennan, Reproductive Endocrinologist in Los Angeles, CA?

    Dr. Kathleen Brennan, MD is a Reproductive Endocrinologist, who primarily practices in Los Angeles, CA with 2 additional practice locations. She has been practicing for over 15 years and is board certified. Dr. Brennan is fluent in English, and is currently seeing new patients. Dr. Brennan’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Brennan’s office at (310) 794-7274.

    What languages does Dr. Brennan speak?

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

    • English

    What conditions does Dr. Brennan treat?

    As a Reproductive Endocrinologist, Dr. Brennan 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. Brennan. 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:

    • Female Infertility
    • Female Sterility
    • Difficulty Getting Pregnant

    ICD-10 Codes:

    • N979: Female infertility, unspecified

    Also known as:

    • Fertility Preservation Procedure
    • Fertility Testing
    • Fertility Preservation Counseling
    • Fertility Management (Unspecified)
    • Infertility
    • Egg freezing procedure
    • Sperm banking procedure
    • Embryo cryopreservation
    • Infertility testing
    • Reproductive health assessment
    • Fertility evaluation
    • Egg freezing counseling
    • Sperm banking counseling
    • Fertility protection advice
    • General reproductive management
    • Unspecified fertility care
    • Procreative health services

    ICD-10 Codes:

    • Z3184: Encounter for fertility preservation procedure
    • Z3141: Encounter for fertility testing
    • Z3162: Encounter for fertility preservation counseling
    • Z319: Encounter for procreative management, unspecified

    Also known as:

    • Other General Family Planning Counseling
    • Additional Reproductive Health Advice
    • Comprehensive Procreation Guidance
    • Advanced Fertility Planning Counseling

    ICD-10 Codes:

    • Z3169: Encounter for other general counseling and advice on procreation

    Also known as:

    • Pregnancy Care After Assisted Reproductive Technology (ART)
    • Assisted Reproductive Technology (ART) Cycle
    • Assisted Reproductive Technology
    • Infertility
    • Pregnancy monitoring after IVF
    • Managing pregnancy after fertility treatment
    • High-risk pregnancy after ART
    • Pregnancy following fertility procedures
    • In Vitro Fertilization (IVF) Cycle
    • Fertility Treatment Cycle
    • ART Procedure

    ICD-10 Codes:

    • O09811: Supervision of pregnancy resulting from assisted reproductive technology, first trimester
    • Z3183: Encounter for assisted reproductive fertility procedure cycle

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

    • First Trimester Pregnancy Supervision for Infertility History
    • Female Infertility
    • Health Problems in Pregnancy
    • Early Pregnancy Monitoring After Infertility
    • First Trimester High-Risk Pregnancy Due to Infertility
    • Infertility Pregnancy Care First Trimester

    ICD-10 Codes:

    • O0901: Supervision of pregnancy with history of infertility, first trimester

    Also known as:

    • Other Fertility and Family Planning Management
    • Miscellaneous Reproductive Management
    • Advanced Procreation Services
    • Comprehensive Family Planning

    ICD-10 Codes:

    • Z3189: Encounter for other procreative management

    Also known as:

    • Polycystic Ovary Syndrome (PCOS)
    • Polycystic Ovary Syndrome
    • PCOS
    • Stein-Leventhal Syndrome
    • Polycystic Ovaries

    ICD-10 Codes:

    • E282: Polycystic ovarian syndrome

    Also known as:

    • Male Factor Infertility (Female Patient)
    • Male Infertility
    • Female patient with male infertility
    • Male infertility affecting female partner
    • Infertility due to male factors

    ICD-10 Codes:

    • Z3181: Encounter for male factor infertility in female patient

    Also known as:

    • Irregular Periods
    • Menstruation
    • Oligomenorrhea
    • Abnormal Menstrual Cycle

    ICD-10 Codes:

    • N926: Irregular menstruation, unspecified

    Also known as:

    • Uterine Polyp
    • Uterine Disease
    • Endometrial Polyp
    • Womb Polyp

    ICD-10 Codes:

    • N840: Polyp of corpus uteri

    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:

    • Thyroid Disorder
    • Thyroid Disease
    • Thyroid Problem
    • Thyroid Gland Condition

    ICD-10 Codes:

    • E079: Disorder of thyroid, unspecified

    Also known as:

    • Pregnancy Test (Result Unknown)
    • Pregnancy Test
    • Inconclusive Pregnancy Test
    • Unclear Pregnancy Test Result
    • Pending Pregnancy Test

    ICD-10 Codes:

    • Z3200: Encounter for pregnancy test, result unknown

    Also known as:

    • Early Pregnancy (Less Than 8 Weeks)
    • Pregnancy
    • First 8 weeks of pregnancy
    • Very early pregnancy
    • First trimester

    ICD-10 Codes:

    • Z3A01: Less than 8 weeks gestation of pregnancy

    Also known as:

    • Sexually Transmitted Infection (STI) Screening
    • Health Screening
    • STD screening
    • Sexual health check
    • Venereal disease test

    ICD-10 Codes:

    • Z113: Encounter for screening for infections with a predominantly sexual mode of transmission

    Which procedures does Dr. Brennan perform as a Reproductive Endocrinologist?

    As a Reproductive Endocrinologist, procedures performed by a Dr. Kathleen Brennan may include:

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

    Does Dr. Brennan accept my insurance?

    Dr. Brennan accepts most major insurance plans. Important: Please call our office at (310) 794-7274 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Brennan accept in Los Angeles, CA?

    Dr. Brennan in Los Angeles, 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

    • Blue Shield of California

    • Centene

    • Cigna

    • City of Los Angeles

    • CVS Health (formerly Aetna)

    • Directors Guild of America Employees

    • Elevance Health Inc. (formerly Anthem)

    • Other Health Care Provider

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Brennan's office located?

    Dr. Kathleen Brennan's Primary Practice

    200 Medical Plz Ste 430

    Los Angeles, CA 90095

    (310) 794-7274

    Get Directions

    Dr. Kathleen Brennan's Practice 2

    757 Westwood Plz

    Los Angeles, CA 90095

    Get Directions

    Dr. Kathleen Brennan's Practice 3

    1245 16th St Ste 202

    Santa Monica, CA 90404

    (310) 794-7274

    Get Directions

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

    Dr. Brennan's National Provider Identifier (NPI) number is 1306033741.

    What common questions do patients ask about Dr. Brennan?

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

    What is Dr. Kathleen Brennan's specialty?

    Dr. Brennan is a Reproductive Endocrinologist near Los Angeles, CA. An obstetrician/gynecologist specializing in reproductive endocrinology and infertility is skilled in managing complex issues related to hormonal disorders and infertility in women. This specialist employs advanced diagnostic and treatment options to address reproductive health concerns and assist individuals and couples in achieving their family planning goals. Contact Dr. Brennan to book an appointment today.

    Is this Dr. Kathleen Brennan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Brennan is affiliated with Ucla Santa Monica Medical Center, Ronald Reagan Ucla 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

    Where can I learn more about Reproductive Endocrinologist?

    Explore Reproductive Endocrinologist 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 Kathleen Brennan accepting new patients in Los Angeles, CA?

    Yes, Dr. Kathleen Brennan is accepting new patients at this time.

    Does Dr. Kathleen Brennan offer online booking?

    Please contact Dr. Brennan's office at (310) 794-7274 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Kathleen Brennan?

    Please contact Dr. Brennan's office at (310) 794-7274 for information regarding telehealth appointment availability or for scheduling assistance.

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