Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. O'callahan, Obstetrician / Gynecologist (OBGYN) in San Mateo, CA?
Dr. Julianne O'callahan, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in San Mateo, CA with 2 additional practice locations. Dr. O'callahan graduated from University of California and completed her residency at Stanford University School of Medicine,Stanford, Ca, United States. Dr. O'callahan is fluent in English and Spanish, and is currently seeing new patients. Dr. O'callahan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'callahan’s office at (650) 366-4633.
Where did Dr. O'callahan go to medical school and complete their residency?
Residency: Stanford University School of Medicine,Stanford, Ca, United States
Medical School: University of California
What languages does Dr. O'callahan speak?
Dr. O'callahan and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. O'callahan typically treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. O'callahan 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'callahan. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Routine Gynecological Exam (Normal Findings)
- Routine Gynecological Exam (Abnormal Findings)
- Women's Health Checkup
- Women's checkup, all clear
- Pelvic exam, normal results
- OB/GYN visit, no issues
- Women's checkup with issues
- Pelvic exam, abnormal results
- OB/GYN visit with concerns
ICD-10 Codes:
- Z01419: Encounter for gynecological examination (general) (routine) without abnormal findings
- Z01411: Encounter for gynecological examination (general) (routine) with abnormal findings
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:
- Other Vaginal Disorder
- Vaginal Disease
- Non-inflammatory Vaginal Conditions
- Specific Vaginal Problems
ICD-10 Codes:
- N898: Other specified noninflammatory disorders of vagina
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. O'callahan typically perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. O'callahan 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'callahan. 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. Learn more about our claims-based healthcare methodology.
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
Does Dr. O'callahan accept my insurance?
Dr. O'callahan accepts most major insurance plans. Important: Please call our office at (650) 366-4633 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'callahan accept in San Mateo, CA?
Dr. O'callahan in San Mateo, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
BCBS Unspecified
Blue Shield of California
Centene Corporation
Cigna Group
Corporate Services
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
State of California
UnitedHealth Group
View All Insurances
Where is Dr. O'callahan's office located?
Dr. Julianne O'callahan's Primary Practice
123 S San Mateo Dr
San Mateo, CA 94401
(650) 366-4633
What is Dr. O'callahan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O'callahan's National Provider Identifier (NPI) number is 1932158805.
What common questions do patients ask about Dr. O'callahan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'callahan
What is Dr. Julianne O'callahan's specialty?
Dr. O'callahan is a Obstetrician / Gynecologist (OBGYN) near San Mateo, CA.
What does an Obstetrician / Gynecologist (OBGYN) do?
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.
Is this Dr. Julianne O'callahan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. O'callahan is affiliated with Mills-Peninsula Medical Center, Sequoia Hospital, Stanford Health Care - Stanford Hospital, California Pacific Medical Center - Van Ness Campus 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
When to see an Obstetrician / Gynecologist (OBGYN)?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Obstetrician / Gynecologist (OBGYN). Explore 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 Julianne O'callahan accepting new patients in San Mateo, CA?
Yes, Dr. Julianne O'callahan is accepting new patients at this time.
Does Dr. Julianne O'callahan offer online booking?
Please contact Dr. O'callahan's office at (650) 366-4633 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Julianne O'callahan?
Please contact Dr. O'callahan's office at (650) 366-4633 for information regarding telehealth appointment availability or for scheduling assistance.
Other Obstetrician / Gynecologist (OBGYN) Near San Mateo, CA
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SY
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