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Dr. John Gustafson, MD

Dr. John Gustafson, MD

Ventura, CA

42 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Gustafson, Obstetrician / Gynecologist (OBGYN) in Ventura, CA?

    Dr. John Gustafson, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Ventura, CA with 2 additional practice locations. He has been practicing for over 42 years and is board certified by the American Board of Obstetrics and Gynecology. Dr. Gustafson graduated from University of Rochester School of Medicine and Dentistry and completed his residency at L A Co-Usc Med Ctr, Obstetrics And Gynecology. Dr. Gustafson is fluent in English and Spanish, and is currently seeing new patients. Dr. Gustafson’s practice accepts Kaiser Permanente, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gustafson’s office at (805) 643-8695.

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

    • Residency: L A Co-Usc Med Ctr, Obstetrics And Gynecology | L a Co Usc Med Center | University of Southern California Medical Center, Los Angeles, CA | USC/LAC-Keck School of Medicine

    • Medical School: University of Rochester Sch of Med & Dentistry, Rochester Ny | University of Rochester School of Medicine and Dentistry

    Is Dr. Gustafson board certified in Obstetrician / Gynecologist (OBGYN)?

    Yes, Dr. John Gustafson, MD is board certified by the American Board of Obstetrics and Gynecology

    What languages does Dr. Gustafson speak?

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

    • English

    • Spanish

    What conditions does Dr. Gustafson treat?

    As a Obstetrician / Gynecologist (OBGYN), Dr. Gustafson 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. Gustafson. 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:

    • Routine Gynecological Exam (Normal Findings)
    • Women's Health Checkup
    • Women's checkup, all clear
    • Pelvic exam, normal results
    • OB/GYN visit, no issues

    ICD-10 Codes:

    • Z01419: Encounter for gynecological examination (general) (routine) without abnormal findings

    Also known as:

    • Third Trimester Prenatal Care
    • Second Trimester Prenatal Care
    • First Trimester Prenatal Care
    • Prenatal Care for Normal Pregnancy
    • Prenatal Care
    • Late Pregnancy Check-ups
    • Routine Third Trimester Care
    • Maternity Care (Third Trimester)
    • Mid-Pregnancy Check-ups
    • Routine Second Trimester Care
    • Maternity Care (Second Trimester)
    • Early pregnancy care
    • First trimester check-ups
    • Antenatal care in early pregnancy
    • Late pregnancy care
    • Third trimester check-ups
    • Antenatal care in late pregnancy
    • Mid-pregnancy care
    • Second trimester check-ups
    • Antenatal care in mid-pregnancy
    • Routine pregnancy check-ups
    • Standard antenatal care
    • Normal pregnancy supervision

    ICD-10 Codes:

    • Z3483: Encounter for supervision of other normal pregnancy, third trimester
    • Z3482: Encounter for supervision of other normal pregnancy, second trimester
    • Z3481: Encounter for supervision of other normal pregnancy, first trimester
    • Z3403: Encounter for supervision of normal first pregnancy, third trimester
    • Z3402: Encounter for supervision of normal first pregnancy, second trimester
    • Z3480: Encounter for supervision of other normal pregnancy, unspecified trimester

    Also known as:

    • Heavy and Frequent Periods (Regular Cycle)
    • Irregular Periods
    • Menstruation
    • Menorrhagia
    • Polymenorrhea
    • Abnormal Uterine Bleeding
    • Oligomenorrhea
    • Abnormal Menstrual Cycle

    ICD-10 Codes:

    • N920: Excessive and frequent menstruation with regular cycle
    • N926: Irregular menstruation, unspecified

    Also known as:

    • Prenatal Screening for Birth Defects
    • Prenatal Screening
    • Prenatal Testing
    • Antenatal Malformation Screening
    • Fetal Anomaly Scan
    • Birth Defect Screening in Pregnancy
    • Antenatal Testing
    • Pregnancy Screening
    • Maternal Screening

    ICD-10 Codes:

    • Z363: Encounter for antenatal screening for malformations
    • Z369: Encounter for antenatal screening, unspecified

    Also known as:

    • Postmenopausal Bleeding
    • Menopause
    • Vaginal Bleeding
    • Bleeding After Menopause
    • Vaginal Bleeding in Menopause

    ICD-10 Codes:

    • N950: Postmenopausal bleeding

    Also known as:

    • Atypical Cells on Pap Test (ASC-US)
    • Cervical Cancer Screening
    • ASC-US Pap smear
    • Uncertain abnormal cervical cells
    • Mildly abnormal Pap test

    ICD-10 Codes:

    • R87610: Atypical squamous cells of undetermined significance on cytologic smear of cervix (ASC-US)

    Also known as:

    • Pelvic and Perineal Pain
    • Pelvic Pain
    • Perineum pain
    • Pelvic floor pain
    • Pain in groin area

    ICD-10 Codes:

    • R102: Pelvic and perineal pain

    Also known as:

    • Postpartum Depression
    • Mental Disorder
    • Postpartum Care
    • Perinatal Depression
    • PPD
    • Baby blues (severe form)

    ICD-10 Codes:

    • O906: Postpartum mood disturbance

    Also known as:

    • Uncomplicated Childbirth
    • Childbirth
    • Normal Delivery
    • Natural Birth
    • Vaginal Delivery

    ICD-10 Codes:

    • O80: Encounter for full-term uncomplicated delivery

    Also known as:

    • Menopause
    • Climacteric
    • The Change of Life
    • Postmenopause

    ICD-10 Codes:

    • N951: Menopausal and female climacteric states

    Also known as:

    • IUD Insertion
    • Birth Control
    • Intrauterine device placement
    • Getting an IUD
    • IUD procedure

    ICD-10 Codes:

    • Z30430: Encounter for insertion of intrauterine contraceptive device

    Also known as:

    • Low-Grade Abnormal Cells on Pap Test (LGSIL)
    • Cervical Cancer Screening
    • Cervix Disorder
    • Abnormal Pap Smear
    • LGSIL Pap Test
    • Mild Cervical Dysplasia
    • Low-Grade Squamous Intraepithelial Lesion

    ICD-10 Codes:

    • R87612: Low grade squamous intraepithelial lesion on cytologic smear of cervix (LGSIL)

    Also known as:

    • Routine IUD Check-up
    • Birth Control
    • Regular IUD Check
    • Intrauterine Device Routine Exam
    • IUD Follow-up Visit

    ICD-10 Codes:

    • Z30431: Encounter for routine checking of intrauterine contraceptive device

    Which procedures does Dr. Gustafson perform as a Obstetrician / Gynecologist (OBGYN)?

    As a Obstetrician / Gynecologist (OBGYN), procedures performed by an Dr. John Gustafson may include:

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

    Does Dr. Gustafson accept my insurance?

    Dr. Gustafson accepts most major insurance plans. Important: Please call our office at (805) 643-8695 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Gustafson accept in Ventura, CA?

    Dr. Gustafson in Ventura, 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

    • Clinicas del Camino Real

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Gold Coast Health Plan

    • Other Health Care Provider

    • State of California

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Gustafson's office located?

    Dr. John Gustafson's Primary Practice

    2795 Loma Vista Rd

    Ventura, CA 93003

    (805) 643-8695

    Get Directions

    Dr. John Gustafson's Practice 2

    120 N Ashwood Ave

    Ventura, CA 93003

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    Dr. John Gustafson's Practice 3

    852 W Ventura St

    Fillmore, CA 93015

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

    Dr. Gustafson's National Provider Identifier (NPI) number is 1003836016.

    What common questions do patients ask about Dr. Gustafson?

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

    What is Dr. John Gustafson's specialty?

    Dr. Gustafson is a Obstetrician / Gynecologist (OBGYN) near Ventura, CA. 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. Contact Dr. Gustafson to book an appointment today.

    Is this Dr. John Gustafson affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Gustafson is affiliated with Community Memorial Hospital - Ventura which is a Castle Connolly Top Hospital. 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 Obstetrician / Gynecologist (OBGYN)?

    Explore Obstetrician / Gynecologist (OBGYN) 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 John Gustafson accepting new patients in Ventura, CA?

    Yes, Dr. John Gustafson is accepting new patients at this time.

    Does Dr. John Gustafson offer online booking?

    Please contact Dr. Gustafson's office at (805) 643-8695 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Gustafson?

    Please contact Dr. Gustafson's office at (805) 643-8695 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Gustafson have?

    Dr. John Gustafson is certified by the American Board of Obstetrics and Gynecology.

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