Dr Ranjani P Ramanathan, MD - Medicare Endocrinology in Saint Peters, MO

Dr Ranjani P Ramanathan, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Saint Peters, Missouri. She graduated from medical school in 2002 and has 22 years of diverse experience with area of expertise as Endocrinology. She is a member of the group practice Physician Groups Lc and her current practice location is 201 Bjc Saint Peters Dr Ste 200, Saint Peters, Missouri. You can reach out to her office (for appointments etc.) via phone at (636) 916-9615.

Dr Ranjani P Ramanathan is licensed to practice in Missouri (license number 2007022069) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1639212335.

Contact Information

Dr Ranjani P Ramanathan, MD
201 Bjc Saint Peters Dr Ste 200,
Saint Peters, MO 63376-3386
(636) 916-9615
(636) 916-9850

Map and Direction




Physician's Profile

Full NameDr Ranjani P Ramanathan
GenderFemale
SpecialityEndocrinology
Experience22 Years
Location201 Bjc Saint Peters Dr Ste 200, Saint Peters, Missouri
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Ranjani P Ramanathan graduated from medical school in 2002
  NPI Data:
  • NPI Number: 1639212335
  • Provider Enumeration Date: 02/14/2007
  • Last Update Date: 03/29/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8123209293
  • Enrollment ID: I20110222001045

Medical Identifiers

Medical identifiers for Dr Ranjani P Ramanathan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639212335NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 2007022069 (Missouri)Secondary
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 2007022069 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Christian Hospital NortheastSaint louis, MOHospital
Barnes-jewish St Peters HospitalSaint peters, MOHospital
Progress West HospitalO fallon, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Physician Groups Lc3072421254427

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Ranjani P Ramanathan allows following entities to bill medicare on her behalf.
Entity NamePhysician Groups Lc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285664268
PECOS PAC ID: 3072421254
Enrollment ID: O20040220001157

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Ranjani P Ramanathan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Ranjani P Ramanathan, MD
201 Bjc Saint Peters Dr Ste 200,
Saint Peters, MO 63376-3386

Ph: (636) 916-9615
Dr Ranjani P Ramanathan, MD
201 Bjc Saint Peters Dr Ste 200,
Saint Peters, MO 63376-3386

Ph: (636) 916-9615

Reviews and Comments


Internal Medicine Doctors in Saint Peters, MO

Furqan F Raja, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 70 Jungermann Circle, Suite 405, Saint Peters, MO 63376
Phone: 636-720-0310    Fax: 636-720-0311
Dr. Pierre Moeser, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 70 Jungermann Cir, Ste 300, Saint Peters, MO 63376
Phone: 636-916-9020    Fax: 636-916-9021
Dr. Ron Javdan, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: May Accept Medicare Assignments
Practice Location: 6 Jungermann Cir, Suite 203, Saint Peters, MO 63376
Phone: 636-928-1822    Fax: 636-441-7033
Dr. Lawrence Osei, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 10 Hospital Dr, Dept Anesthesiology, Saint Peters, MO 63376
Phone: 800-862-9980    Fax: 314-362-1185
Dr. Anna Roshal, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 150 Entrance Way, Saint Peters, MO 63376
Phone: 636-916-9920    Fax: 636-916-9176
Dr. Sandeep Hindupur, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 10 Hospital Dr Ste 100, Saint Peters, MO 63376
Phone: 636-916-7272    
April Thebeau, DO
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 10 Hospital Dr, Saint Peters, MO 63376
Phone: 314-317-0600    Fax: 314-317-0606

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.