Seema Karthik Iyer, MD - Medicare Internal Medicine in Saint Louis, MO

Seema Karthik Iyer, MD is a medicare enrolled "Internal Medicine - Geriatric Medicine" physician in Saint Louis, Missouri. She graduated from medical school in 2004 and has 20 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Mercy Clinic East Communities and her current practice location is 621 S New Ballas Rd Ste 6017b, Saint Louis, Missouri. You can reach out to her office (for appointments etc.) via phone at (636) 327-1520.

Seema Karthik Iyer is licensed to practice in Missouri (license number 2011002808) 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 1437455441.

Contact Information

Seema Karthik Iyer, MD
621 S New Ballas Rd Ste 6017b,
Saint Louis, MO 63141-8274
(636) 327-1520
Not Available

Map and Direction




Physician's Profile

Full NameSeema Karthik Iyer
GenderFemale
SpecialityInternal Medicine
Experience20 Years
Location621 S New Ballas Rd Ste 6017b, Saint Louis, 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:
  • Seema Karthik Iyer graduated from medical school in 2004
  NPI Data:
  • NPI Number: 1437455441
  • Provider Enumeration Date: 02/08/2011
  • Last Update Date: 05/05/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6709064025
  • Enrollment ID: I20110708000419

Medical Identifiers

Medical identifiers for Seema Karthik Iyer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1437455441NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0300XInternal Medicine - Geriatric Medicine 2011002808 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Heartland Hospice ServicesSaint louis, MOHospice
Mercy Hospital JeffersonFestus, MOHospital
Ssm St Joseph Hospital WestLake saint louis, MOHospital
Ssm St Joseph Health CenterSaint charles, MOHospital
Missouri Baptist Medical CenterTown and country, MOHospital
St Clair Nursing CenterSaint clair, MONursing home
Crystal OaksFestus, MONursing home

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Clinic East Communities7214827922491

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. Seema Karthik Iyer allows following entities to bill medicare on her behalf.
Entity NameRia Medical Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174615025
PECOS PAC ID: 6608834395
Enrollment ID: O20041228000701
Entity NameMercy Clinic East Communities
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851335228
PECOS PAC ID: 7214827922
Enrollment ID: O20070521000006

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. Seema Karthik Iyer 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
Seema Karthik Iyer, MD
Po Box 776084,
Chicago, IL 60677-6084

Ph: () -
Seema Karthik Iyer, MD
621 S New Ballas Rd Ste 6017b,
Saint Louis, MO 63141-8274

Ph: (636) 327-1520

Reviews and Comments


Internal Medicine Doctors in Saint Louis, MO

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Soumojit Ghosh,
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Phone: 314-977-6100    Fax: 314-977-6164

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.