NPPES file of Aug 9, 2026

Karthik S. Ramaseshan, MD

Internal Medicine Physician · Detroit, MI

Karthik S. Ramaseshan, MD is an internal medicine physician with a practice address in Detroit, Michigan, and NPI 1023633559, issued on Jun 10, 2020. Check the license (Michigan 4301509847, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1023633559
Name
Karthik S. Ramaseshan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301509847 MI
Self-reported in NPPES; status is on the state search
Practice location
4646 John R St RM B3249, Detroit, MI 48201
Phone
(248) 508-1865
Enumerated
Jun 10, 2020
Record last updated
Aug 19, 2024
Fax
(864) 602-6559
Medicare enrollment
Enrolled (PECOS I20240113000326); 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.
Download card Updates feed

Verify Karthik S. Ramaseshan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301509847
    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 Michigan 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

81% fewer Medicare Part D claims than the average internal medicine physician in 2024

602 Medicare Part D claims for 256 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Karthik Ramaseshan602
  2. Specialty average3,176

Most prescribed

  1. Albuterol Sulfate Hfa48 claims
  2. Prednisone38 claims
  3. Celecoxib22 claims
  4. Paxlovid20 claims
  5. Famotidine19 claims
  6. Omeprazole19 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 5 group practices

  1. Get Well Urgent Care Macomb PLCClinton Twp, MI
  2. Get Well Urgent Care Madison Heights PLCMadison Heights, MI
  3. Hoover Urgent Care OF Warren PLLCWarren, MI
  4. Roseville Urgent Care PCRoseville, MI
  5. Southfield City Urgent Care PCSouthfield, MI

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

617 internal medicine physician records list a practice address in Detroit

They are 617 of the 19,832 NPPES records with a practice address in Detroit, and 5,735 internal medicine physician records in Michigan.

Other internal medicine physician records in Michigan

  1. Jamie Therese Abad, MDDetroit, MI1700573359
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Sura Abbas, MDWarren, MI1801687405
  5. Ramzi Abbasi, MDSaginaw, MI1164270005
  6. Saadat Abbasi, MDKalamazoo, MI1912005596
  7. Shahzaman Abbasi, MDLansing, MI1376512111
  8. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  9. Valerie Abbott, MDSouthfield, MI1740289487
  10. Samer Abboud, MDSaginaw, MI1245804178

Common questions

What is Karthik S. Ramaseshan, MD's NPI number?

Karthik S. Ramaseshan, MD's National Provider Identifier (NPI) is 1023633559, issued on Jun 10, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Karthik S. Ramaseshan, MD located?

The NPPES record lists a practice address at 4646 John R St RM B3249, Detroit, MI, 48201. Phone: (248) 508-1865. Providers update this record themselves, so call before visiting.

How can I verify Karthik S. Ramaseshan, MD's license?

NPPES lists Michigan license number 4301509847, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Karthik S. Ramaseshan, MD prescribe under Medicare Part D?

In 2024, Karthik S. Ramaseshan, MD had 602 Medicare Part D claims for 256 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.