Jambunathan Mahadevan, MD - Medicare Internal Medicine in St Louis, MO

Jambunathan Mahadevan, MD is a medicare enrolled "Internal Medicine" physician in St Louis, Missouri. He graduated from medical school in 1971 and has 53 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 3535 S Jefferson Ave, Suite 304, St Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 865-6585.

Jambunathan Mahadevan is licensed to practice in Missouri (license number R7375) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1669588638.

Contact Information

Jambunathan Mahadevan, MD
3535 S Jefferson Ave, Suite 304,
St Louis, MO 63118
(314) 865-6585
(314) 865-6599

Map and Direction




Physician's Profile

Full NameJambunathan Mahadevan
GenderMale
SpecialityInternal Medicine
Experience53 Years
Location3535 S Jefferson Ave, St Louis, Missouri
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Jambunathan Mahadevan graduated from medical school in 1971
  NPI Data:
  • NPI Number: 1669588638
  • Provider Enumeration Date: 08/22/2006
  • Last Update Date: 08/05/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 1456476043
  • Enrollment ID: I20100920000972

Medical Identifiers

Medical identifiers for Jambunathan Mahadevan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669588638NPI-NPPES
201582608MedicaidMO
0400415OtherMOUHC
100656OtherMOBLUE SHIELD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine R7375 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Louis University HospitalSaint louis, MOHospital
Mercy Hospital SouthSaint louis, MOHospital

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. Jambunathan Mahadevan allows following entities to bill medicare on his behalf.
Entity NameJay Mahadevan Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386747715
PECOS PAC ID: 8224153804
Enrollment ID: O20100920000735

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. Jambunathan Mahadevan 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
Jambunathan Mahadevan, MD
Po Box 775578,
St Louis, MO 63177-5578

Ph: (314) 865-6582
Jambunathan Mahadevan, MD
3535 S Jefferson Ave, Suite 304,
St Louis, MO 63118

Ph: (314) 865-6585

Reviews and Comments


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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.