NPPES file of Aug 9, 2026

Seema Karthik Iyer, M.D.

Geriatric Medicine (Internal Medicine) Physician · Saint Louis, MO

Seema Karthik Iyer, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Saint Louis, Missouri, and NPI 1437455441, issued on Feb 8, 2011. Check the license (Missouri 2011002808, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437455441
Name
Seema Karthik Iyer
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
2011002808 MO
Self-reported in NPPES; status is on the state search
Practice location
621 S New Ballas RD Ste 6017B, Saint Louis, MO 63141
Phone
(636) 327-1520
Enumerated
Feb 8, 2011
Record last updated
May 5, 2023
Medicare enrollment
Enrolled (PECOS I20110708000419); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 621 S New Ballas RD Ste 6017B

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patricia Baca, LMSWClinical Social Worker1003546938
  2. Sophia Fechter, AGPCNP-CAdult Health Nurse Practitioner1134083470
  3. Ann Fronek O'Connell, MSW, LCSWClinical Social Worker1326810623
  4. Elizabeth Houston, DOInternal Medicine Physician1225653942
  5. Salome Kibii, DOInternal Medicine Physician1881197747
  6. Monica Muir, D.O.Hospice and Palliative Medicine (Internal Medicine) Physician1063775328

Verify Seema Karthik Iyer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2011002808
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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4% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

4,058 Medicare Part D claims for 391 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 54 claims were for opioids.

  1. Seema Iyer4,058
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium172 claims
  2. Levothyroxine Sodium163 claims
  3. Lisinopril143 claims
  4. Metoprolol Tartrate138 claims
  5. Amlodipine Besylate117 claims
  6. Pantoprazole Sodium116 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Mercy Clinic East CommunitiesSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Missouri

There are 75 geriatric medicine (internal medicine) physician records in Missouri.

Other geriatric medicine (internal medicine) physician records in Missouri

  1. Muhammad Ali, M.D.Saint Louis, MO1790986024
  2. Iqbal Amin, M.D.Saint Louis, MO1184619835
  3. Muhammad Azharuddin, MDFestus, MO1851490460
  4. Lakshmi Bandi, M.D.Saint Louis, MO1790850188
  5. William Banks, M.D.Saint Louis, MO1023062296
  6. Abraham Barake, M.D.Chesterfield, MO1962498253
  7. Grant Barnum, D.O.Lake Ozark, MO1639178445
  8. Nazem Bassil, M.D,Saint Louis, MO1235320045
  9. Ahmad Batrash, M.D.Kansas City, MO1720009277
  10. Ellen Binder, MDSaint Louis, MO1578589701

Common questions

What is Seema Karthik Iyer, M.D.'s NPI number?

Seema Karthik Iyer, M.D.'s National Provider Identifier (NPI) is 1437455441, issued on Feb 8, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Seema Karthik Iyer, M.D. located?

The NPPES record lists a practice address at 621 S New Ballas RD Ste 6017B, Saint Louis, MO, 63141. Phone: (636) 327-1520. Providers update this record themselves, so call before visiting.

How can I verify Seema Karthik Iyer, M.D.'s license?

NPPES lists Missouri license number 2011002808, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Seema Karthik Iyer, M.D. prescribe under Medicare Part D?

In 2024, Seema Karthik Iyer, M.D. had 4,058 Medicare Part D claims for 391 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.