
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Kayser, Obstetrician / Gynecologist (OBGYN) in Chesterfield, MO?
Dr. Mary Kayser, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Chesterfield, MO. She is board certified. Dr. Kayser graduated from Louisiana State University School of Medicine, New Orleans and completed her residency at St Johns Mercy Med Ctr, Obstetrics And Gynecology. Dr. Kayser is fluent in English, and is currently seeing new patients. Dr. Kayser’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Kayser’s office at (314) 878-7333.
Where did Dr. Kayser go to medical school and complete their residency?
Residency: St Johns Mercy Med Ctr, Obstetrics And Gynecology | Mercy Hospital St. Louis | St. John's Mercy Medical Center | Johns Hopkins University/Bayview Medical Center Program
Medical School: La State Univ Sch of Med In New Orleans, New Orleans La | Louisiana State University School of Medicine, New Orleans
Is Dr. Kayser board certified as an Obstetrician / Gynecologist (OBGYN)?
Yes, Dr. Mary Kayser, MD is board certified by the American Board of Obstetrics and Gynecology
What languages does Dr. Kayser speak?
Dr. Kayser and their clinical team can communicate with patients in the following languages:
English
What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. Kayser typically treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Kayser 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. Kayser. 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)
- 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:
- 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:
- 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
What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. Kayser typically perform?
As an Obstetrician / Gynecologist (OBGYN), procedures performed by Dr. Mary Kayser may include:
- Abortion Consultation
- Abortion Follow Up
- Abortion (Medical)
- Abortion (Surgical)
- Annual Pap Smear / GYN Exam
- Antepartum Care
- Anterior Repair
- Artificial Insemination / Intra-Uterine
Please contact Dr. Kayser's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Kayser accept my insurance?
Dr. Kayser accepts most major insurance plans. Important: Please call our office at (314) 878-7333 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Kayser accept in Chesterfield, MO?
Dr. Kayser in Chesterfield, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Medicare
Unknown
View All Insurances
Where is Dr. Kayser's office located?
What is Dr. Kayser's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Kayser's National Provider Identifier (NPI) number is 1699866558.
What common questions do patients ask about Dr. Kayser?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Kayser
What is Dr. Mary Kayser's specialty?
Dr. Kayser is a Obstetrician / Gynecologist (OBGYN) near Chesterfield, MO.
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. Mary Kayser affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Kayser is affiliated with Mercy Hospital St. Louis, St. Luke's Hospital - Chesterfield, Mo, Anderson Hospital, Ssm Health St. Joseph Hospital - St. Charles 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 Mary Kayser accepting new patients in Chesterfield, MO?
Yes, Dr. Mary Kayser is accepting new patients at this time.
Does Dr. Mary Kayser offer online booking?
Please contact Dr. Kayser's office at (314) 878-7333 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mary Kayser?
Please contact Dr. Kayser's office at (314) 878-7333 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mary Kayser have?
Dr. Mary Kayser is certified by the American Board of Obstetrics and Gynecology.
Other Obstetrician / Gynecologist (OBGYN) Near Chesterfield, MO

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Dr. Julie Gould, DO is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Chesterfield, MO. She has been practicing for over 16 years and is board certified.
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Dr. Jessica Baldetti, DO is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Chesterfield, MO with 1 additional practice location.
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Dr. Kelly Ott, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Saint Louis, MO with 1 additional practice location.
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