Maria J. Nieto, MD
Medical Oncology Physician · New York, NY
Maria J. Nieto, MD is a medical oncology physician with a practice address in New York, New York, and NPI 1548496326, issued on Jun 7, 2009. Check the license (New York 236570, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Maria J. Nieto
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 236570 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Gustave L Levy PL # 1410, New York, NY 10029
- Phone
- (212) 241-6021
- Enumerated
- Jun 7, 2009
- Record last updated
- Jun 7, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090924000008); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 548 in New York → Look up another NPI →
Verify Maria J. Nieto 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 236570Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average medical oncology physician in 2024
1,145 Medicare Part D claims for 128 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 31 claims were for opioids.
Most prescribed
- Eliquis120 claims
- Hydroxyurea94 claims
- Acyclovir80 claims
- Gabapentin64 claims
- Ondansetron Hcl42 claims
- Pantoprazole Sodium42 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 practice group's MIPS final score for 2023 (Medicare payment program): 74.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- North Shore Health System Medical Faculty Group Practice IncNew Hyde Park, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria J. Nieto among 548 medical oncology physician records in New York
Maria J. Nieto, MD is one of 548 medical oncology physician records with a practice address in New York. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 38% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1999 · median 2005 among the 389 with a school on file
- Record last updated2009 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in New York
There are 548 medical oncology physician records in New York.
All 548 in New York → Every provider in New York → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Louis Aledort, MDNew York, NY 100291861424061
- Hearn Cho, MDNew York, NY 100291225060080
- Philip Friedlander, M.D.New York, NY 100291932146677
- Matthew Galsky, MDNew York, NY 100291639140668
- Jorge Gomez, MDNew York, NY 100291649241688
- Hanna Yoko Irie, MD PHDNew York, NY 100291598795890
- Sundar Jagannath, M.D.New York, NY 100291174511687
- Maureen Joyce, NPNew York, NY 100291275623985
Common questions
What is Maria J. Nieto, MD's NPI number?
Maria J. Nieto, MD's National Provider Identifier (NPI) is 1548496326, issued on Jun 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Maria J. Nieto, MD located?
The NPPES record lists a practice address at 1 Gustave L Levy PL # 1410, New York, NY, 10029. Phone: (212) 241-6021. Providers update this record themselves, so call before visiting.
How can I verify Maria J. Nieto, MD's license?
NPPES lists New York license number 236570, 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 Maria J. Nieto, MD prescribe under Medicare Part D?
In 2024, Maria J. Nieto, MD had 1,145 Medicare Part D claims for 128 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Maria J. Nieto, MD's MIPS final score?
The 2023 MIPS final score is 74.1 of 100, reported for the practice group. 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.