Registry data as of Aug 27, 2026

Mersema Abate, MD

Nephrology Physician · East Setauket, NY

Mersema Abate, MD is a nephrology physician with a practice address in East Setauket, New York, and NPI 1497950133, issued on Jun 20, 2007. Check the license (New York 250029, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1497950133
Name
Mersema Abate
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
250029 NY
Self-reported in NPPES; status is on the state search
Practice location
26 Research Way, East Setauket, NY 11733
Phone
(631) 444-0580
Enumerated
Jun 20, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 26 Research Way

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

  1. Sahar Ahmad, M.D.Internal Medicine Physician1669756193
  2. Ibrahim Almasry, MDInternal Medicine Physician1518953462
  3. Leonard Arbeit, M.D.Nephrology Physician1124052774
  4. Ayse Bag Ozbek, M.D.Student in an Organized Health Care Education/Training Program1386886042
  5. Mark Borek, M.D.Cardiovascular Disease Physician1922012707
  6. Harold Carlson, M.D.Endocrinology, Diabetes & Metabolism Physician1194750034

Verify Mersema Abate 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 250029
    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.

50% fewer Medicare Part D claims than the average nephrology physician in 2024

759 Medicare Part D claims for 104 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D.

  1. Mersema Abate759
  2. Specialty average1,511

Most prescribed

  1. Sulfamethoxazole-Trimethoprim72 claims
  2. Atorvastatin Calcium62 claims
  3. Carvedilol55 claims
  4. Nifedipine Er48 claims
  5. Amlodipine Besylate36 claims
  6. Prednisone31 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: $25.86

1 payment, mostly food and beverage; the largest payer was Abbvie Inc.. The 6,365 providers of this specialty with any payment received $3,068.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mersema Abate$25.86
  2. Specialty average$3,068.36

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

One hospital or facility affiliation

  1. North Shore-Lij Medical PCNew Hyde Park, NY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Nephrology Physician providers in New York

There are 852 nephrology physician records in New York.

Other nephrology physician records in New York

  1. Rula Abdulrahman, M.D.Stony Brook, NY1790180776
  2. Matthew Abramson, M.D.New York, NY1790104560
  3. Niraj Acharya, MDBrooklyn, NY1609950617
  4. Sujatha Addagatla, M.D.Niagara Falls, NY1720168198
  5. Stephen Adler, MDHawthorne, NY1164421020
  6. Christopher Adubor, MDMount Vernon, NY1962464594
  7. Narayan Agrawal, M.D.Fresh Meadows, NY1568438570
  8. Abdurhman Ahmed, M.D.Bronx, NY1316960941
  9. Farruque Ahmed, MDBrooklyn, NY1265475974
  10. Imad Ahmed, M.DAmherst, NY1912118431

Common questions

What is Mersema Abate, MD's NPI number?

Mersema Abate, MD's National Provider Identifier (NPI) is 1497950133, issued on Jun 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mersema Abate, MD located?

The NPPES record lists a practice address at 26 Research Way, East Setauket, NY, 11733. Phone: (631) 444-0580. Providers update this record themselves, so call before visiting.

How can I verify Mersema Abate, MD's license?

NPPES lists New York license number 250029, 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 Mersema Abate, MD prescribe under Medicare Part D?

In 2024, Mersema Abate, MD had 759 Medicare Part D claims for 104 beneficiaries; the average among nephrology physician prescribers was 1,511. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.