LB
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Buchanan, Obstetrician / Gynecologist (OBGYN) in O Fallon, MO?
Dr. Lauren Buchanan, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in O Fallon, MO with 1 additional practice location. Dr. Buchanan is fluent in English, and is currently seeing new patients. Dr. Buchanan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Buchanan’s office at (314) 251-6062.
What languages does Dr. Buchanan speak?
Dr. Buchanan and their clinical team can communicate with patients in the following languages:
English
What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. Buchanan typically treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Buchanan 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. Buchanan. 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:
- IUD Insertion
- Other Birth Control Counseling
- Birth Control
- Intrauterine device placement
- Getting an IUD
- IUD procedure
- Additional contraceptive advice
- General family planning discussion
- Ongoing birth control counseling
ICD-10 Codes:
- Z30430: Encounter for insertion of intrauterine contraceptive device
- Z3009: Encounter for other general counseling and advice on contraception
Also known as:
- Negative Pregnancy Test Result
- Pregnancy Test
- No pregnancy detected
- Negative HCG test
- Not pregnant result
ICD-10 Codes:
- Z3202: Encounter for pregnancy test, result negative
Also known as:
- Abnormal Uterine and Vaginal Bleeding
- Vaginal Bleeding
- Unusual Uterine Bleeding
- Abnormal Vaginal Discharge
- AUB
- Irregular Genital Bleeding
ICD-10 Codes:
- N939: Abnormal uterine and vaginal bleeding, unspecified
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:
- Postmenopausal Bleeding
- Menopause
- Vaginal Bleeding
- Bleeding After Menopause
- Vaginal Bleeding in Menopause
ICD-10 Codes:
- N950: Postmenopausal bleeding
Also known as:
- Positive Pregnancy Test
- Pregnancy
- Confirmed Pregnancy
- Pregnant Result
- Positive HCG Test
ICD-10 Codes:
- Z3201: Encounter for pregnancy test, result positive
Also known as:
- Male Circumcision
- Circumcision
- Foreskin removal
- Routine circumcision
- Ritual circumcision
ICD-10 Codes:
- Z412: Encounter for routine and ritual male circumcision
What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. Buchanan typically perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. Buchanan 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. Buchanan. 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:
- IUD Insertion
- Birth Control
- Intrauterine device placement
- IUD placement
- Birth control implant
CPT Codes:
- 58300: Insertion 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:
- Hysteroscopy with Biopsy or Polyp Removal
- Biopsy
- Hysteroscopy
- Uterine Scope with Biopsy
- Hysteroscopic Polypectomy
- D&C with Hysteroscopy
CPT Codes:
- 58558: Hysteroscopy, surgical; with sampling (biopsy) of endometrium and/or polypectomy, with or without D & C
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:
- 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. Buchanan accept my insurance?
Dr. Buchanan accepts most major insurance plans. Important: Please call our office at (314) 251-6062 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Buchanan accept in O Fallon, MO?
Dr. Buchanan in O Fallon, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Elevance Health Inc. (formerly Anthem)
Medicare
Unknown
View All Insurances
Where is Dr. Buchanan's office located?
100 Mercy Clinic Womens Health Ofallon
300 Winding Woods Dr Ste 100
O Fallon, MO 63366
(314) 251-6062
What is Dr. Buchanan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Buchanan's National Provider Identifier (NPI) number is 1467946160.
What common questions do patients ask about Dr. Buchanan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Buchanan
What is Dr. Lauren Buchanan's specialty?
Dr. Buchanan is a Obstetrician / Gynecologist (OBGYN) near O Fallon, 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. Lauren Buchanan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Buchanan is affiliated with Mercy Hospital St. Louis which is a Castle Connolly Top Hospital. 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 Lauren Buchanan accepting new patients in O Fallon, MO?
Yes, Dr. Lauren Buchanan is accepting new patients at this time.
Does Dr. Lauren Buchanan offer online booking?
Please contact Dr. Buchanan's office at (314) 251-6062 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Lauren Buchanan?
Please contact Dr. Buchanan's office at (314) 251-6062 for information regarding telehealth appointment availability or for scheduling assistance.
Other Obstetrician / Gynecologist (OBGYN) Near O Fallon, 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

Maternal & Fetal Medicine Specialist
Dr. James Bartelsmeyer, MD is a Maternal & Fetal Medicine Specialist, who primarily practices in Saint Louis, MO with 1 additional practice location. He is board certified.
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MM
Obstetrician / Gynecologist (OBGYN)
Dr. Margaretta Mendenhall, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Ballwin, MO with 2 additional practice locations.
Ballwin, MO
Connect with DR. Buchanan
100 Mercy Clinic Womens Health Ofallon
300 Winding Woods Dr Ste 100
O Fallon, MO 63366