Mersema Tesfaye Abate, MD
Nephrology Physician · East Setauket, NY
Mersema Tesfaye 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.
- Name
- Mersema Tesfaye 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
- Record last updated
- Jun 23, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (631) 444-0562
- Medicare enrollment
- Enrolled (PECOS I20090624000138); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,049 in New York → Look up another NPI →
Also registered at 26 Research Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sahar Ahmad, M.D.Pulmonary Disease Physician1669756193
- Ibrahim Almasry, MDInternal Medicine Physician1518953462
- Leonard Arbeit, M.D.Nephrology Physician1124052774
- Ayse Bag Ozbek, M.D.Student in an Organized Health Care Education/Training Program1386886042
- Mark Borek, M.D.Cardiovascular Disease Physician1922012707
- Harold Carlson, M.D.Endocrinology, Diabetes & Metabolism Physician1194750034
Verify Mersema Tesfaye Abate in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 250029Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average nephrology physician in 2024
759 Medicare Part D claims for 104 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Sulfamethoxazole-Trimethoprim72 claims
- Atorvastatin Calcium62 claims
- Carvedilol55 claims
- Nifedipine Er48 claims
- Amlodipine Besylate36 claims
- 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: food and beverage; the largest payer was Abbvie 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.
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
- North Shore-Lij Medical PCNew Hyde Park, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mersema Tesfaye Abate among 1,049 nephrology physician records in New York
Mersema Tesfaye Abate, MD 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 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 39% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2001 · median 1999 among the 764 with a school on file
- Record last updated2009 · 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.
All 1,049 in New York → Every provider in East Setauket → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Leonard Arbeit, M.D.East Setauket, NY 117331124052774
- Ashfaq Hussain, M.D.East Setauket, NY 117331942212774
- Wilfred Lieberthal, M.D.East Setauket, NY 117331972518793
- Sandeep MallipattuEast Setauket, NY 117331619139094
- Edward Nord, M.D.East Setauket, NY 117331174548358
- Fatima Sheikh, D.OEast Setauket, NY 117331255746855
- Heesuck Suh, M.D.East Setauket, NY 117331699790816
- Nand Wadhwa, M.D.East Setauket, NY 117331730104787
Common questions
What is Mersema Tesfaye Abate, MD's NPI number?
Mersema Tesfaye 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 Tesfaye 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 Tesfaye 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 Tesfaye Abate, MD prescribe under Medicare Part D?
In 2024, Mersema Tesfaye Abate, MD had 759 Medicare Part D claims for 104 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.