NPPES file of Aug 9, 2026

Keerthiga Sivakumar, DO

Internal Medicine Physician · Brooklyn, NY

Keerthiga Sivakumar, DO is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1508488289, issued on May 15, 2020. Check the license (New York 325594, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1508488289
Name
Keerthiga Sivakumar
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
325594 NY
Self-reported in NPPES; status is on the state search
Practice location
2601 Ocean Pkwy, Brooklyn, NY 11235
Phone
(718) 616-3000
Enumerated
May 15, 2020
Record last updated
Aug 28, 2023
Medicare enrollment
Enrolled (PECOS I20240126001129); accepts Medicare assignment
Medical or professional school
Edward Via Col Of Osteo Medicine-Virginia Campus, 2020
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 2601 Ocean Pkwy

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

  1. Yana Abakina, MS, CCC-SLPSpeech-Language Pathologist1124525019
  2. Rauf Abayev, PA-CPhysician Assistant1164052817
  3. Khaled Aboelkhair, MDStudent in an Organized Health Care Education/Training Program1205585411
  4. Shabnam Abrishami, MDStudent in an Organized Health Care Education/Training Program1073373312
  5. Tindalo Adaniel, MDSurgical Critical Care Physician1093724395
  6. Grigol Adeishvili, M.D.Obstetrics & Gynecology Physician1619110244

Verify Keerthiga Sivakumar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 325594
    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 New York 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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

22 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Keerthiga Sivakumar22
  2. Specialty average3,176

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: $43.75

2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Keerthiga Sivakumar$43.75
  2. Specialty average$1,303.06

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

Bills Medicare through 2 group practices

  1. Ilm Medical Care PLLCBronx, NY
  2. Physician Affiliate Group OF New York PCBrooklyn, NY

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

Keerthiga Sivakumar among 12,067 internal medicine physician records in New York

Keerthiga Sivakumar, DO is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.

  • NPI issued2020 · 87% of these records are older, 9% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2020 · median 2002 among the 7,221 with a school on file
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,497 internal medicine physician records list a practice address in Brooklyn

They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lance Austein, MDBrooklyn, NY 112351366430969
  2. Marika Cherfas, M.D.Brooklyn, NY 112351306807490
  3. Alexey Isakov, MDBrooklyn, NY 112351093798746
  4. Boris Itskovich, M.DBrooklyn, NY 112351235197252
  5. Mihail Medvedovsky, MDBrooklyn, NY 112351962408880
  6. Irene Perloff, D.O., M.D.Brooklyn, NY 112351982699773
  7. Yevgeniya Rabovetskaya, M.D.Brooklyn, NY 112351710940416
  8. Shaya Raykher, MDBrooklyn, NY 112351083613707

Common questions

What is Keerthiga Sivakumar, DO's NPI number?

Keerthiga Sivakumar, DO's National Provider Identifier (NPI) is 1508488289, issued on May 15, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Keerthiga Sivakumar, DO located?

The NPPES record lists a practice address at 2601 Ocean Pkwy, Brooklyn, NY, 11235. Phone: (718) 616-3000. Providers update this record themselves, so call before visiting.

How can I verify Keerthiga Sivakumar, DO's license?

NPPES lists New York license number 325594, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Keerthiga Sivakumar, DO prescribe under Medicare Part D?

In 2024, Keerthiga Sivakumar, DO had 22 Medicare Part D claims for 14 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.