BK
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Kellert, Obstetrician / Gynecologist (OBGYN) in Walnut Creek, CA?
Dr. Brian Kellert, DO is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Walnut Creek, CA. Dr. Kellert is fluent in English and Spanish, and is currently seeing new patients. Dr. Kellert’s practice accepts Kaiser Permanente, Medicaid and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Kellert’s office at (925) 891-9033.
What languages does Dr. Kellert speak?
Dr. Kellert and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. Kellert typically treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Kellert 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. Kellert. 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:
- Cervical Length Screening
- Nuchal Translucency Screening
- Cervix measurement during pregnancy
- Screening for preterm labor risk
- Transvaginal ultrasound for cervix
- NT scan
- First trimester screening ultrasound
- Screening for Down syndrome
ICD-10 Codes:
- Z3686: Encounter for antenatal screening for cervical length
- Z3682: Encounter for antenatal screening for nuchal translucency
Also known as:
- Fetal Genetic Disorder
- Genetic Disorder
- Health Problems in Pregnancy
- Hereditary Condition in Fetus
- Inherited Disease in Pregnancy
- Fetal Genetic Condition
ICD-10 Codes:
- O352XX0: Maternal care for (suspected) hereditary disease in fetus, not applicable or unspecified
Also known as:
- Fetal Damage from Maternal Viral Infection
- Infection and Pregnancy
- Viral Infection Affecting Fetus
- Maternal Infection Fetal Risk
- Pregnancy Viral Complications
- Infection Harm to Baby
ICD-10 Codes:
- O353XX0: Maternal care for (suspected) damage to fetus from viral disease in mother, not applicable or unspecified
Also known as:
- Fetal Abnormality
- Birth Defects
- Health Problems in Pregnancy
- Congenital Anomaly
- Fetal Malformation
- Developmental Abnormality
- Birth Defect
ICD-10 Codes:
- O359XX0: Maternal care for (suspected) fetal abnormality and damage, unspecified, not applicable or unspecified
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:
- Pregnancy Care After Assisted Reproductive Technology (ART)
- Assisted Reproductive Technology
- Pregnancy monitoring after IVF
- Managing pregnancy after fertility treatment
- High-risk pregnancy after ART
- Pregnancy following fertility procedures
ICD-10 Codes:
- O09813: Supervision of pregnancy resulting from assisted reproductive technology, third trimester
What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. Kellert typically perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. Kellert 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. Kellert. 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
Also known as:
- Vaginal Cervical Cerclage
- Cervical Stitch (Vaginal)
- Vaginal Cerclage during Pregnancy
- Cervix Strengthening Procedure
CPT Codes:
- 59320: Cerclage of cervix, during pregnancy; vaginal
Also known as:
- Diagnostic Amniocentesis
- Amniocentesis (amniotic fluid test)
- Amniotic Fluid Test
- Amnio
- Prenatal Genetic Testing
CPT Codes:
- 59000: Amniocentesis; diagnostic
Also known as:
- Dilation and Evacuation (D&E) Abortion
- Abortion
- Surgical Abortion
- D&E Procedure
- Induced Termination of Pregnancy
CPT Codes:
- 59841: Induced abortion, by dilation and evacuation
Does Dr. Kellert accept my insurance?
Dr. Kellert accepts most major insurance plans. Important: Please call our office at (925) 891-9033 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Kellert accept in Walnut Creek, CA?
Dr. Kellert in Walnut Creek, 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 Corporation
Contra Costa
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Hill Physicians Medical Group
Other Health Care Provider
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Kellert's office located?
Dr. Brian Kellert's Primary Practice
110 Tampico Ste 100
Walnut Creek, CA 94598
(925) 891-9033
What is Dr. Kellert's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Kellert's National Provider Identifier (NPI) number is 1215224761.
What common questions do patients ask about Dr. Kellert?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Kellert
What is Dr. Brian Kellert's specialty?
Dr. Kellert is a Obstetrician / Gynecologist (OBGYN) near Walnut Creek, 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. Brian Kellert affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Kellert is affiliated with John Muir Health Walnut Creek Medical Center, Ucsf Medical Center At Parnassus 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 Brian Kellert accepting new patients in Walnut Creek, CA?
Yes, Dr. Brian Kellert is accepting new patients at this time.
Does Dr. Brian Kellert offer online booking?
Please contact Dr. Kellert's office at (925) 891-9033 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Brian Kellert?
Please contact Dr. Kellert's office at (925) 891-9033 for information regarding telehealth appointment availability or for scheduling assistance.
Other Obstetrician / Gynecologist (OBGYN) Near Walnut Creek, CA

Obstetrician / Gynecologist (OBGYN)
Dr. Timothy Leach, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Walnut Creek, CA with 2 additional practice locations. He has been practicing for over 26 years and is board certified.
Walnut Creek, CA

Dr. Jeffrey Traynor, MD is a Maternal & Fetal Medicine Specialist, who primarily practices in Walnut Creek, CA. He has been practicing for over 24 years.
Walnut Creek, CA

Maternal & Fetal Medicine Specialist
Dr. Rosa Won, MD is a Maternal & Fetal Medicine Specialist, who primarily practices in Walnut Creek, CA. She has been practicing for over 22 years.
Walnut Creek, CA