KH
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Hsu, Obstetrician / Gynecologist (OBGYN) in Fullerton, CA?
Dr. Karen Hsu, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Fullerton, CA with 2 additional practice locations. Dr. Hsu is fluent in English, and is currently seeing new patients. Dr. Hsu’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hsu’s office.
What languages does Dr. Hsu speak?
Dr. Hsu and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Hsu treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Hsu 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. Hsu. 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:
- 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:
- Prenatal Care for Normal Pregnancy
- Third Trimester Prenatal Care
- Prenatal Care for First Pregnancy
- Second Trimester Prenatal Care
- Prenatal Care
- Routine pregnancy check-ups
- Standard antenatal care
- Normal pregnancy supervision
- Late pregnancy care
- Third trimester check-ups
- Antenatal care in late pregnancy
- First Pregnancy Check-ups
- Routine Care for First Pregnancy
- Maternity Care for First-Time Moms
- Mid-pregnancy care
- Second trimester check-ups
- Antenatal care in mid-pregnancy
ICD-10 Codes:
- Z3480: Encounter for supervision of other normal pregnancy, unspecified trimester
- Z3403: Encounter for supervision of normal first pregnancy, third trimester
- Z3400: Encounter for supervision of normal first pregnancy, unspecified trimester
- Z3402: Encounter for supervision of normal first pregnancy, second trimester
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Postmenopausal Bleeding
- Menopause
- Vaginal Bleeding
- Bleeding After Menopause
- Vaginal Bleeding in Menopause
ICD-10 Codes:
- N950: Postmenopausal bleeding
Also known as:
- Pregnancy Care for Older Mothers with Previous Births
- Health Problems in Pregnancy
- Advanced Maternal Age Multiple Pregnancies
- Elderly Multigravida Care
- Older Mother with Prior Births Pregnancy Monitoring
ICD-10 Codes:
- O09523: Supervision of elderly multigravida, third trimester
Also known as:
- Depression Screening
- Depression
- Health Screening
- Depression Test
- Mental Health Check for Depression
- Mood Disorder Screening
ICD-10 Codes:
- Z1331: Encounter for screening for depression
Also known as:
- Uterine Polyp
- Uterine Disease
- Endometrial Polyp
- Womb Polyp
ICD-10 Codes:
- N840: Polyp of corpus uteri
Also known as:
- Other Prenatal Screenings
- Prenatal Care
- Additional pregnancy tests
- Special antenatal screenings
- Specific prenatal checks
ICD-10 Codes:
- Z3689: Encounter for other specified antenatal screening
Also known as:
- Diet-Controlled Gestational Diabetes
- Diabetes and Pregnancy
- Gestational diabetes
- Gestational diabetes managed by diet
- Pregnancy diabetes diet control
- GDM diet management
ICD-10 Codes:
- O24410: Gestational diabetes mellitus in pregnancy, diet controlled
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:
- Menopause
- Climacteric
- The Change of Life
- Postmenopause
ICD-10 Codes:
- N951: Menopausal and female climacteric states
Also known as:
- Negative Pregnancy Test Result
- Pregnancy Test
- No pregnancy detected
- Negative HCG test
- Not pregnant result
ICD-10 Codes:
- Z3202: Encounter for pregnancy test, result negative
Also known as:
- Irregular Periods
- Menstruation
- Oligomenorrhea
- Abnormal Menstrual Cycle
ICD-10 Codes:
- N926: Irregular menstruation, unspecified
Also known as:
- Mammogram for Breast Cancer Screening
- Health Screening
- Mammography
- Breast Cancer Screening (PDQ®)
- Mammograms
- Breast X-ray
- Breast Cancer Check
ICD-10 Codes:
- Z1231: Encounter for screening mammogram for malignant neoplasm of breast
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:
- Pregnancy Care for Older Mothers with Previous 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
ICD-10 Codes:
- O09522: Supervision of elderly multigravida, second trimester
What procedures does Dr. Hsu perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. Hsu 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. Hsu. 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:
- Hysteroscopy with Biopsy or Polyp Removal
- Biopsy
- Hysteroscopy
- Uterine Scope with Biopsy
- Hysteroscopic Polypectomy
- D&C with Hysteroscopy
CPT Codes:
- 58558: Hysteroscopy, surgical; with sampling (biopsy) of endometrium and/or polypectomy, with or without D & C
Also known as:
- IUD Insertion
- Birth Control
- Intrauterine device placement
- IUD placement
- Birth control implant
CPT Codes:
- 58300: Insertion of intrauterine device (IUD)
Also known as:
- Colposcopy with Cervical Biopsy and Curettage
- Colposcopy
- Cervical Biopsy
- Endocervical Curettage
- Pap Smear Follow-up Procedure
CPT Codes:
- 57454: Colposcopy of the cervix including upper/adjacent vagina; with biopsy(s) of the cervix and endocervical curettage
Also known as:
- Uterine Lining Biopsy
- Biopsy
- Endometrial Biopsy
- Uterine Biopsy
- Cervical Biopsy
- Endocervical Sampling
CPT Codes:
- 58100: Endometrial sampling (biopsy) with or without endocervical sampling (biopsy), without cervical dilation, any method (separate procedure)
Also known as:
- Laparoscopic Hysterectomy
- Hysterectomy
- Laparoscopy
- Minimally Invasive Hysterectomy
- Keyhole Hysterectomy
- Total Laparoscopic Hysterectomy
- Uterus Removal Surgery
CPT Codes:
- 58571: Laparoscopy, surgical, with total hysterectomy, for uterus 250 g or less; with removal of tube(s) and/or ovary(s)
Also known as:
- Uterine Catheterization for Imaging
- Saline Infusion Sonohysterography Prep
- Hysterosalpingography Prep
- Uterine Contrast Injection
CPT Codes:
- 58340: Catheterization and introduction of saline or contrast material for saline infusion sonohysterography (SIS) or hysterosalpingography
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
Also known as:
- Drug Delivery Implant Insertion
- Medication Implant Placement
- Bioresorbable Drug Implant
- Contraceptive Implant Insertion
CPT Codes:
- 11981: Insertion, drug-delivery implant (ie, bioresorbable, biodegradable, non-biodegradable)
Does Dr. Hsu accept my insurance?
Dr. Hsu accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hsu accept in Fullerton, CA?
Dr. Hsu in Fullerton, 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
CalOptima
Centene
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Other Health Care Provider
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. Hsu's office located?
What is Dr. Hsu's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hsu's National Provider Identifier (NPI) number is 1659733459.
What common questions do patients ask about Dr. Hsu?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hsu
What is Dr. Karen Hsu's specialty?
Dr. Hsu is a Obstetrician / Gynecologist (OBGYN) near Fullerton, 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. Hsu to book an appointment today.
Is this Dr. Karen Hsu affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Hsu is affiliated with Hoag Hospital Newport Beach, Providence St. Jude Medical Center, Orange County Global Medical Center, Riverside Community Hospital, Providence Mission Hospital Mission Viejo 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 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 Karen Hsu accepting new patients in Fullerton, CA?
Yes, Dr. Karen Hsu is accepting new patients at this time.
Does Dr. Karen Hsu offer online booking?
Please contact Dr. Hsu's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Karen Hsu?
Please contact Dr. Hsu's office for information regarding telehealth appointment availability or for scheduling assistance.
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