Mareena Susan Zachariah, MD
Nephrology Physician · Buffalo, NY
Mareena Susan Zachariah, MD is a nephrology physician with a practice address in Buffalo, New York, and NPI 1629087192, issued on Aug 5, 2006. Check the license (New York 251087, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mareena Susan Zachariah
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 251087 NY
MFC1621 FL
4301114099 MI
49534 WI
Self-reported in NPPES; status is on the state search - Practice location
- 462 Grider St, Buffalo, NY 14215
- Phone
- (716) 898-4803
- Enumerated
- Aug 5, 2006
- Record last updated
- Jan 14, 2022
- Medicaid IDs
- 03053990 NY
2798280000 FL - Medicare enrollment
- Enrolled (PECOS I20170801002300); 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 462 Grider St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Saddam Abbadi, DOStudent in an Organized Health Care Education/Training Program1386494631
- Sharif Abbas, M.D.Student in an Organized Health Care Education/Training Program1376336792
- Sarah Abdelsayed, MDFamily Medicine Physician1093065138
- Elias Abou-Jaoude, MDInternal Medicine Physician1457932519
- Alexandra Abraham, RD CDNRegistered Dietitian1295165587
- Michael Abrams, PTPhysical Therapist1841355773
Verify Mareena Susan Zachariah 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 251087Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average nephrology physician in 2024
877 Medicare Part D claims for 124 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone94 claims
- Carvedilol77 claims
- Furosemide50 claims
- Potassium Chloride42 claims
- Nifedipine Er41 claims
- Amlodipine Besylate38 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): 100 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $559.66
5 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, 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
- Texas Tech University Health Sciences Center LubbockLubbock, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mareena Susan Zachariah among 1,049 nephrology physician records in New York
Mareena Susan Zachariah, 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1993 · median 1999 among the 764 with a school on file
- Record last updated2022 · 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 Buffalo → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Alonso Alvarado Orlandini, MDBuffalo, NY 142151720646946
- Shirley Chang, M.D.Buffalo, NY 142151720063753
- Andre Charest, MD, MSC, FRCPCBuffalo, NY 142151124509278
- James Farry, MDBuffalo, NY 142151174652044
- Mohammed Hamid, MDBuffalo, NY 142151053540492
- Mohammad Faraz Ul Haq, MDBuffalo, NY 142151649685199
- Samer Kareem, MB.BSBuffalo, NY 142151548799190
- Ernesto Leon Velarde Carreno, M.DBuffalo, NY 142151619402609
Common questions
What is Mareena Susan Zachariah, MD's NPI number?
Mareena Susan Zachariah, MD's National Provider Identifier (NPI) is 1629087192, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mareena Susan Zachariah, MD located?
The NPPES record lists a practice address at 462 Grider St, Buffalo, NY, 14215. Phone: (716) 898-4803. Providers update this record themselves, so call before visiting.
How can I verify Mareena Susan Zachariah, MD's license?
NPPES lists New York license number 251087, 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 Mareena Susan Zachariah, MD prescribe under Medicare Part D?
In 2024, Mareena Susan Zachariah, MD had 877 Medicare Part D claims for 124 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Mareena Susan Zachariah, MD's MIPS final score?
The 2023 MIPS final score is 100 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.