NPPES file of Aug 9, 2026

Tamil S. Kuppusamy, M.D.

Nephrology Physician · Catonsville, MD

Tamil S. Kuppusamy, M.D. is a nephrology physician with a practice address in Catonsville, Maryland, and NPI 1356349781, issued on Jul 11, 2005. Check the license (Maryland D63188, as entered in NPPES) on the Maryland Board of Physicians; 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
1356349781
Name
Tamil S. Kuppusamy
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
D63188 MD
Self-reported in NPPES; status is on the state search
Practice location
516 N Rolling RD, Catonsville, MD 21228
Phone
(410) 744-0890
Enumerated
Jul 11, 2005
Record last updated
Jan 22, 2025
Fax
(410) 744-2007
Medicare enrollment
Enrolled (PECOS I20050810000860); 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 516 N Rolling RD

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

  1. Marcelino Albuerne, M.D.Geriatric Medicine (Internal Medicine) Physician1306817341
  2. Foriki AlmaLicensed Practical Nurse1467160887
  3. Robert Ammlung, M.D.Internal Medicine Physician1649225731
  4. Sandra Anoruo, PMHNPPsychiatric/Mental Health Nurse Practitioner1306497870
  5. Evan Chung, D.C., M.S.Chiropractor1689003071
  6. Victoria Dansereau-Ryan, PSY.D.Clinical Psychologist1558137836

Verify Tamil S. Kuppusamy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D63188
    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 Maryland license search

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43% fewer Medicare Part D claims than the average nephrology physician in 2024

836 Medicare Part D claims for 163 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Tamil Kuppusamy836
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate85 claims
  2. Losartan Potassium85 claims
  3. Farxiga67 claims
  4. Allopurinol53 claims
  5. Atorvastatin Calcium44 claims
  6. Hydrochlorothiazide41 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.

Industry payments in 2024: $644.06

14 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tamil Kuppusamy$644.06
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Mid-Atlantic Nephrology Associates PAColumbia, MD

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

Tamil S. Kuppusamy among 337 nephrology physician records in Maryland

Tamil S. Kuppusamy, M.D. is one of 337 nephrology physician records with a practice address in Maryland. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2000 · median 2001 among the 232 with a school on file
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Maryland

There are 337 nephrology physician records in Maryland.

The 8 nephrology physician records with the nearest ZIP codes

  1. Navneet Ahuja, M.D.Catonsville, MD 212281346219177
  2. Saira Amir, MD MPHCatonsville, MD 212281295357770
  3. John Dalton, M.D.Catonsville, MD 212281225013493
  4. Jennifer Eras, M.D.Catonsville, MD 212281568460996
  5. Rudolf Pullmann, MDCatonsville, MD 212281164673588
  6. Paul Turer, M.D.Catonsville, MD 212281922006287
  7. Ritu Vyas, MDCatonsville, MD 212281679822605
  8. Kenneth Yim, M.D.Catonsville, MD 212281386642643

Common questions

What is Tamil S. Kuppusamy, M.D.'s NPI number?

Tamil S. Kuppusamy, M.D.'s National Provider Identifier (NPI) is 1356349781, issued on Jul 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Tamil S. Kuppusamy, M.D. located?

The NPPES record lists a practice address at 516 N Rolling RD, Catonsville, MD, 21228. Phone: (410) 744-0890. Providers update this record themselves, so call before visiting.

How can I verify Tamil S. Kuppusamy, M.D.'s license?

NPPES lists Maryland license number D63188, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tamil S. Kuppusamy, M.D. prescribe under Medicare Part D?

In 2024, Tamil S. Kuppusamy, M.D. had 836 Medicare Part D claims for 163 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.