Dr. Ranjani Ramanathan, MD

Dr. Ranjani Ramanathan, MD

Endocrinology, Diabetes & Metabolism  ·  
Dr. Ranjani Ramanathan, MD is an endocrinology, diabetes & metabolism specialist in Saint Louis, MO. She specializes in endocrinology, diabetes & metabolism and internal medicine.

201 Bjc Saint Peter Dr Ste 200

Saint Louis, MO 63376

Contact Information

(314) 439-1292

Insurance Accepted

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • HAP Insurance
  • HealthLink
  • Humana
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Ramanathan

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Ramanathan performs your care needs compared to other doctors.

Diabetes With Renal Manifestations
very high
more than 99% of peers
Diabetes Type 2
very high
more than 93% of peers
very high
more than 92% of peers

Dr. Ramanathan's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

2  Specialties

  • Endocrinology, Diabetes & Metabolism
  • Internal Medicine

1  Board Certifications

  • Diabetes, Metabolism & Endocrinology
    Accredited by: American Board of Internal Medicine*

45  Conditions Treated

Read Less

1  Procedures

  • Aspiration or Injection of Thyroid Cyst

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Missouri.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


Education data for Dr. Ramanathan is unavailable at this time.

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Ramanathan has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Ramanathan does not have any memberships or affiliations listed. If you are Dr. Ramanathan and would like to add memberships or affiliations, please update your profile.

Dr. Ramanathan's Reviews

Likelihood to recommend Dr. Ramanathan


Based on 10 reviews

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Average Wait Time
  • 10 – 15 minutes
Dr. Ramanathan's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Ranjani Ramanathan, MD
The wait times are unjustifiable and the care is non-existant. I went in a couple of years ago with a long list of symptoms and a blood lab showing irregular hormone levels. After a pituitary cyst was found, she told me that ALL of my symptoms COULD be connected to hormone irregularities being...Read More
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Apr 10, 2018
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Doctor asked tons of questions and really listened to my answers, shared TONS of information and answered questions. Made things so easy to understand and we through all options. Wish I could see her for everything. She was great, HIGHLY recommend!
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Connie in Wentzville, MO – Jul 20, 2017
×Post a ResponseAre you Dr. Ranjani Ramanathan, MD?
I LOVE Dr. Ramanathan!!! I wish I could see her for everything. She takes her time and actually listens to you, and is very thorough. She seems to really care, and I like that.
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Kristi James in St Charles, MO – Feb 11, 2017
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