RR
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ramanathan, Endocrinologist in Saint Peters, MO?
Dr. Ranjani Ramanathan, MD is an Endocrinologist, who primarily practices in Saint Peters, MO with 2 additional practice locations. She is board certified. Dr. Ramanathan is fluent in English, Hindi, and Tamil, and is currently seeing new patients. Dr. Ramanathan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ramanathan’s office at (636) 916-9615.
Is Dr. Ramanathan board certified as an Endocrinologist?
Yes, Dr. Ranjani Ramanathan, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Ramanathan speak?
Dr. Ramanathan and their clinical team can communicate with patients in the following languages:
English
Hindi
Tamil
What conditions does an Endocrinologist like Dr. Ramanathan typically treat?
As an Endocrinologist, Dr. Ramanathan 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. Ramanathan. 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:
- Type 2 Diabetes with High Blood Sugar
- Type 2 Diabetes
- Type 2 Diabetes with Chronic Kidney Disease
- Diabetes Type 2
- Hyperglycemia
- Type 2 diabetes
- Diabetic Kidney Problems
- Diabetic Hyperglycemia
- High Blood Glucose
- High Sugar Levels
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- Diabetic Chronic Kidney Disease
- Long-term Kidney Failure from Type 2 Diabetes
- Type 2 Diabetes End-Stage Renal Disease
ICD-10 Codes:
- E1165: Type 2 diabetes mellitus with hyperglycemia
- E119: Type 2 diabetes mellitus without complications
- E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease
Also known as:
- Age-Related Osteoporosis
- Fractures
- Osteoporosis
- Senile Osteoporosis
- Primary Osteoporosis
- Bone Thinning from Aging
ICD-10 Codes:
- M810: Age-related osteoporosis without current pathological fracture
Also known as:
- Post-Surgery Hypothyroidism
- Hypothyroidism
- Postoperative Underactive Thyroid
- Thyroid Failure After Surgery
ICD-10 Codes:
- E890: Postprocedural hypothyroidism
Also known as:
- Hyperparathyroidism
- Parathyroid Disorder
- Overactive Parathyroid Gland
- High Parathyroid Hormone
- PTH Overproduction
ICD-10 Codes:
- E213: Hyperparathyroidism, unspecified
What procedures does an Endocrinologist like Dr. Ramanathan typically perform?
As an Endocrinologist, procedures performed by Dr. Ranjani Ramanathan may include:
- Adrenal Surgery
- Comparative Genomic Hybridization
- D and C / Vacuum Aspiration
- Diabetes Blood Sugar Management
- Diabetes Care - Kidney Disease Monitoring
- Diabetes Consultation
- Doppler Ultrasound
- Egg Freezing/ Fertility Preservation
Please contact Dr. Ramanathan's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Ramanathan accept my insurance?
Dr. Ramanathan accepts most major insurance plans. Important: Please call our office at (636) 916-9615 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ramanathan accept in Saint Peters, MO?
Dr. Ramanathan in Saint Peters, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Auxiant
Blue Cross Blue Shield of Michigan
Cigna Group
Corporate Services
Medicare
View All Insurances
Where is Dr. Ramanathan's office located?
Dr. Ranjani Ramanathan's Primary Practice
201 Bjc Saint Peters Dr Ste 200
Saint Peters, MO 63376
(636) 916-9615
What hospitals are Dr. Ramanathan affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Ramanathan has admitting privileges at the following hospitals:
Christian Hospital,St Louis, MO
Ranked Heart & Vascular Surgery

Ranked Coronary Artery Bypass Graft Surgery (CABG)

Christian Hospital,St Louis, MO
Ranked Heart & Vascular Surgery
Ranked Coronary Artery Bypass Graft Surgery (CABG)
Barnes-Jewish St. Peters Hospital,Saint Peters, MO
Ranked General Surgery

Ranked in 2 Procedures

Barnes-Jewish St. Peters Hospital,Saint Peters, MO
Ranked General Surgery
Ranked in 2 Procedures
Mercy Hospital St. Louis,St Louis, MO
Ranked in 2 Specialties

Ranked in 6 Procedures

Mercy Hospital St. Louis,St Louis, MO
Ranked in 2 Specialties
Ranked in 6 Procedures
Progress West Hospital,O Fallon, MO
Progress West Hospital,O Fallon, MO
Bjc Healthcare - Christian Hospital,Saint Louis, MO
Bjc Healthcare - Christian Hospital,Saint Louis, MO
What is Dr. Ramanathan's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ramanathan's National Provider Identifier (NPI) number is 1639212335.
What common questions do patients ask about Dr. Ramanathan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ramanathan
What is Dr. Ranjani Ramanathan's specialty?
Dr. Ramanathan is an Endocrinologist near Saint Peters, MO.
What does an Endocrinologist do?
An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues.
Is Dr. Ranjani Ramanathan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ramanathan is affiliated with Christian Hospital, Barnes-Jewish St. Peters Hospital, Mercy Hospital St. Louis 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 Endocrinologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Endocrinologist. 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 Dr. Ranjani Ramanathan accepting new patients in Saint Peters, MO?
Yes, Dr. Ranjani Ramanathan is accepting new patients at this time.
Does Dr. Ranjani Ramanathan offer online booking?
Please contact Dr. Ramanathan's office at (636) 916-9615 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Ranjani Ramanathan?
Please contact Dr. Ramanathan's office at (636) 916-9615 to schedule an appointment.
Where is Dr. Ramanathan's office located?
Dr. Ramanathan's offices are located in Saint Peters, MO, Saint Louis, MO, and O Fallon, MO.
Which board certifications does Dr. Ranjani Ramanathan have?
Dr. Ranjani Ramanathan is certified by the American Board of Internal Medicine.
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