MM
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mendenhall, Obstetrician / Gynecologist (OBGYN) in Ballwin, MO?
Dr. Margaretta Mendenhall, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Ballwin, MO with 2 additional practice locations. Dr. Mendenhall is fluent in English, and is currently seeing new patients. Dr. Mendenhall’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mendenhall’s office at (636) 240-0130.
What languages does Dr. Mendenhall speak?
Dr. Mendenhall and their clinical team can communicate with patients in the following languages:
English
What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. Mendenhall typically treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Mendenhall 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. Mendenhall. 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:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Irregular Periods
- Menstruation
- Oligomenorrhea
- Abnormal Menstrual Cycle
ICD-10 Codes:
- N926: Irregular menstruation, unspecified
Also known as:
- Prenatal Screening for Birth Defects
- Antenatal Screening Follow-up
- Antenatal Malformation Screening
- Fetal Anomaly Scan
- Birth Defect Screening in Pregnancy
- Other Prenatal Screening Follow-up
- Maternal Screening Follow-up
- Pregnancy Screening Review
ICD-10 Codes:
- Z363: Encounter for antenatal screening for malformations
- Z362: Encounter for other antenatal screening follow-up
What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. Mendenhall typically perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. Mendenhall 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. Mendenhall. 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:
- 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:
- 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:
- IUD Insertion
- Birth Control
- Intrauterine device placement
- IUD placement
- Birth control implant
CPT Codes:
- 58300: Insertion of intrauterine device (IUD)
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. Mendenhall accept my insurance?
Dr. Mendenhall accepts most major insurance plans. Important: Please call our office at (636) 240-0130 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mendenhall accept in Ballwin, MO?
Dr. Mendenhall in Ballwin, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
Elevance Health Inc. (formerly Anthem)
Medicare
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Mendenhall's office located?
Dr. Margaretta Mendenhall's Primary Practice
15945 Clayton Rd Ste 305
Ballwin, MO 63011
(636) 240-0130
What is Dr. Mendenhall's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mendenhall's National Provider Identifier (NPI) number is 1275730111.
What common questions do patients ask about Dr. Mendenhall?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mendenhall
What is Dr. Margaretta Mendenhall's specialty?
Dr. Mendenhall is a Obstetrician / Gynecologist (OBGYN) near Ballwin, 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. Margaretta Mendenhall affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mendenhall is affiliated with Mercy Hospital St. Louis, St. Luke's Hospital - Chesterfield, Mo 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 Margaretta Mendenhall accepting new patients in Ballwin, MO?
Yes, Dr. Margaretta Mendenhall is accepting new patients at this time.
Does Dr. Margaretta Mendenhall offer online booking?
Please contact Dr. Mendenhall's office at (636) 240-0130 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Margaretta Mendenhall?
Please contact Dr. Mendenhall's office at (636) 240-0130 for information regarding telehealth appointment availability or for scheduling assistance.
Other Obstetrician / Gynecologist (OBGYN) Near Ballwin, MO
GL
Obstetrician / Gynecologist (OBGYN)
Dr. Gretchen Levey, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Ballwin, MO with 2 additional practice locations.
Ballwin, MO
DG
Obstetrician / Gynecologist (OBGYN)
Dr. Danielle Grunloh-Gumpenberger, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in O Fallon, MO with 2 additional practice locations.
O Fallon, MO

Obstetrician / Gynecologist (OBGYN)
Dr. Christina Byron, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Ballwin, MO with 2 additional practice locations. She is board certified.
Ballwin, MO