NPPES file of Aug 9, 2026

Niranjan Gunasekaran, D.O.

Nephrology Physician · Bethpage, NY

Niranjan Gunasekaran, D.O. is a nephrology physician with a practice address in Bethpage, New York, and NPI 1598108185, issued on Apr 12, 2013. Check the license (New York 286211, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598108185
Name
Niranjan Gunasekaran
Credential
D.O.
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
286211 NY
OS14133 FL
143357 IL
Self-reported in NPPES; status is on the state search
Practice location
4250 Hempstead Tpke Ste 17, Bethpage, NY 11714
Phone
(516) 735-5522
Enumerated
Apr 12, 2013
Record last updated
Jan 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170310000214); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2013
Telehealth
Offers telehealth (CMS)
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 4250 Hempstead Tpke Ste 17

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

  1. Victor Chang, M.D.Nephrology Physician1558537191
  2. Navneet Kaur, M.D.Nephrology Physician1104180769
  3. Tazleem Khan, MDNephrology Physician1821397100

Verify Niranjan Gunasekaran 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 286211
    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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32% more Medicare Part D claims than the average nephrology physician in 2024

1,930 Medicare Part D claims for 303 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Niranjan Gunasekaran1,930
  2. Specialty average1,465

Most prescribed

  1. Calcitriol316 claims
  2. Losartan Potassium152 claims
  3. Allopurinol137 claims
  4. Farxiga123 claims
  5. Furosemide110 claims
  6. Hydralazine Hcl88 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.

The MIPS final score for 2023 (Medicare payment program): 29.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score30.0
  2. Costout of 100 · 30%28.6
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $993.37

37 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim 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. Niranjan Gunasekaran$993.37
  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. Long Island Kidney Associates, PCBethpage, NY

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

Niranjan Gunasekaran among 1,049 nephrology physician records in New York

Niranjan Gunasekaran, D.O. is one of 1,049 nephrology physician records with a practice address in New York. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 80% of them.

  • NPI issued2013 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2013 · median 1999 among the 764 with a school on file
  • Record last updated2020 · 64% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in New York

There are 1,049 nephrology physician records in New York.

The 8 nephrology physician records with the nearest ZIP codes

  1. Victor Chang, M.D.Bethpage, NY 117141558537191
  2. Navneet Kaur, M.D.Bethpage, NY 117141104180769
  3. Tazleem Khan, MDBethpage, NY 117141821397100
  4. Sushil Sagar, MD,FACP,FASNBethpage, NY 117141285699041
  5. Ralph Caselnova, MDBellmore, NY 117101972587186
  6. Sheila D'Nodal, M.D.Bellmore, NY 117101710982962
  7. Gregory Dilimetin, MDBellmore, NY 117101740264969
  8. Kelly Gordon Dubs, MDBellmore, NY 117101881804664

Common questions

What is Niranjan Gunasekaran, D.O.'s NPI number?

Niranjan Gunasekaran, D.O.'s National Provider Identifier (NPI) is 1598108185, issued on Apr 12, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Niranjan Gunasekaran, D.O. located?

The NPPES record lists a practice address at 4250 Hempstead Tpke Ste 17, Bethpage, NY, 11714. Phone: (516) 735-5522. Providers update this record themselves, so call before visiting.

How can I verify Niranjan Gunasekaran, D.O.'s license?

NPPES lists New York license number 286211, 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 Niranjan Gunasekaran, D.O. prescribe under Medicare Part D?

In 2024, Niranjan Gunasekaran, D.O. had 1,930 Medicare Part D claims for 303 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Niranjan Gunasekaran, D.O.'s MIPS final score?

The 2023 MIPS final score is 29.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.