CO
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. O'day, Obstetrician / Gynecologist (OBGYN) in Fullerton, CA?
Dr. Cristina O'day, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Fullerton, CA with 2 additional practice locations. Dr. O'day is fluent in English and Spanish, and is currently seeing new patients. Dr. O'day’s practice accepts Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'day’s office at (714) 535-7245.
What languages does Dr. O'day speak?
Dr. O'day and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. O'day treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. O'day 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. O'day. 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:
- Third Trimester Prenatal Care
- Second Trimester Prenatal Care
- First Trimester Prenatal Care
- 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)
- Late pregnancy care
- Third trimester check-ups
- Antenatal care in late pregnancy
- Early pregnancy care
- First trimester check-ups
- Antenatal care in early pregnancy
ICD-10 Codes:
- Z3483: Encounter for supervision of other normal pregnancy, third trimester
- Z3482: Encounter for supervision of other normal pregnancy, second trimester
- Z3403: Encounter for supervision of normal first pregnancy, third trimester
- Z3481: Encounter for supervision of other normal pregnancy, first trimester
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:
- Pregnancy Care for Older Mothers with Previous Births
- Pregnancy Care for Older First-Time Mothers
- Health Problems in Pregnancy
- Advanced Maternal Age Multiple Pregnancies
- Elderly Multigravida Care
- Older Mother with Prior Births Pregnancy Monitoring
- Advanced Maternal Age First Pregnancy
- Elderly Primigravida Care
- Older First-Time Mom Pregnancy Monitoring
ICD-10 Codes:
- O09523: Supervision of elderly multigravida, third trimester
- O09513: Supervision of elderly primigravida, third trimester
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
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:
- Postmenopausal Bleeding
- Menopause
- Vaginal Bleeding
- Bleeding After Menopause
- Vaginal Bleeding in Menopause
ICD-10 Codes:
- N950: Postmenopausal bleeding
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:
- 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:
- 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:
- Cervical Cancer Screening
- HPV and Pap Test Results
- Pap Test
- HPV Test
- Cervical Smear
- Early Cervical Cancer Detection
ICD-10 Codes:
- Z124: Encounter for screening for malignant neoplasm of cervix
Also known as:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
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:
- 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. O'day perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. O'day 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. O'day. 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
- Hysteroscopy with Endometrial Ablation
- Biopsy
- Hysteroscopy
- Uterine Scope with Biopsy
- Hysteroscopic Polypectomy
- D&C with Hysteroscopy
- Uterine Lining Removal
- Endometrial Resection
- Thermoablation of Uterus
CPT Codes:
- 58558: Hysteroscopy, surgical; with sampling (biopsy) of endometrium and/or polypectomy, with or without D & C
- 58563: Hysteroscopy, surgical; with endometrial ablation (eg, endometrial resection, electrosurgical ablation, thermoablation)
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:
- 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:
- Cervical Cone Biopsy (LEEP)
- LEEP Procedure
- Loop Electrosurgical Excision Procedure
- Cervical Conization
- Cone Biopsy of Cervix
CPT Codes:
- 57522: Conization of cervix, with or without fulguration, with or without dilation and curettage, with or without repair; loop electrode excision
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:
- Colposcopy with Cervical Biopsy
- Biopsy
- Colposcopy
- Vaginal Colposcopy with Biopsy
- Cervix Biopsy
CPT Codes:
- 57455: Colposcopy of the cervix including upper/adjacent vagina; with biopsy(s) of the cervix
Also known as:
- Laparoscopic Removal of Pelvic Lesions
- Minimally invasive ovarian lesion removal
- Pelvic lesion excision laparoscopy
- Peritoneal lesion fulguration
- Endometriosis removal surgery
CPT Codes:
- 58662: Laparoscopy, surgical; with fulguration or excision of lesions of the ovary, pelvic viscera, or peritoneal surface by any method
Also known as:
- IUD Removal
- Birth Control
- Intrauterine device removal
- Take out IUD
- Remove birth control device
- IUD explant
CPT Codes:
- 58301: Removal of intrauterine device (IUD)
Also known as:
- Laparoscopic Ovarian and/or Fallopian Tube Removal
- Laparoscopic Oophorectomy
- Laparoscopic Salpingectomy
- Minimally Invasive Adnexal Removal
CPT Codes:
- 58661: Laparoscopy, surgical; with removal of adnexal structures (partial or total oophorectomy and/or salpingectomy)
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:
- Hysteroscopy with Fibroid Removal
- Hysteroscopy
- Uterine Fibroid Removal
- Hysteroscopic Myomectomy
- Uterine Polyp Removal
CPT Codes:
- 58561: Hysteroscopy, surgical; with removal of leiomyomata
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:
- Surgical Treatment for Missed Miscarriage (First Trimester)
- D&C for Missed Abortion
- Surgical Miscarriage Management
- First Trimester Missed Abortion Treatment
CPT Codes:
- 59820: Treatment of missed abortion, completed surgically; first trimester
Does Dr. O'day accept my insurance?
Dr. O'day accepts most major insurance plans. Important: Please call our office at (714) 535-7245 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'day accept in Fullerton, CA?
Dr. O'day 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 Territories
All Other Third Party
Blue Shield of California
CalOptima
Centene
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. O'day's office located?
Dr. Cristina O'day's Primary Practice
1950 Sunny Crest Dr Ste 2900
Fullerton, CA 92835
(714) 535-7245
Dr. Cristina O'day's Practice 2
1140 W La Veta Ave Ste 770
Orange, CA 92868
(714) 835-8715
What is Dr. O'day's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O'day's National Provider Identifier (NPI) number is 1275738940.
What common questions do patients ask about Dr. O'day?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'day
What is Dr. Cristina O'day's specialty?
Dr. O'day 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. O'day to book an appointment today.
Is this Dr. Cristina O'day affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. O'day is affiliated with Providence St. Jude Medical Center, Torrance Memorial Medical Center, Hoag Hospital Newport Beach 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 Cristina O'day accepting new patients in Fullerton, CA?
Yes, Dr. Cristina O'day is accepting new patients at this time.
Does Dr. Cristina O'day offer online booking?
Please contact Dr. O'day's office at (714) 535-7245 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Cristina O'day?
Please contact Dr. O'day's office at (714) 535-7245 for information regarding telehealth appointment availability or for scheduling assistance.
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