NPPES file of Aug 9, 2026

Maria Y. Mazing, MD

Internal Medicine Physician · Bronx, NY

Maria Y. Mazing, MD is an internal medicine physician with a practice address in Bronx, New York, and NPI 1598877276, issued on Aug 31, 2006. Check the license (New York 242518, 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
1598877276
Name
Maria Y. Mazing
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
242518 NY
46251 MN
Self-reported in NPPES; status is on the state search
Practice location
111 E 210TH St, Bronx, NY 10467
Phone
(718) 920-2961
Enumerated
Aug 31, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070829000927); may accept Medicare assignment
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 111 E 210TH St

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

  1. Supreet Aashat, DOStudent in an Organized Health Care Education/Training Program1326833542
  2. Amarachi Abara, MDStudent in an Organized Health Care Education/Training Program1780206078
  3. Malu Abbott CastilloInternal Medicine Physician1891472585
  4. Eliana Abboudi, PHARMDStudent in an Organized Health Care Education/Training Program1780205690
  5. Nidal Abdel MuhdiStudent in an Organized Health Care Education/Training Program1942764030
  6. Sara Abdelhalim, DO, MPHStudent in an Organized Health Care Education/Training Program1134756927

Verify Maria Y. Mazing 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 242518
    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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86% fewer Medicare Part D claims than the average internal medicine physician in 2024

452 Medicare Part D claims for 94 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 17 claims were for opioids.

  1. Maria Mazing452
  2. Specialty average3,176

Most prescribed

  1. Albuterol Sulfate Hfa32 claims
  2. Pantoprazole Sodium19 claims
  3. Atorvastatin Calcium12 claims
  4. Single Use Swab11 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): 100 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.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $37.29

1 payment: food and beverage; the largest payer was Alnylam Pharmaceuticals Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maria Mazing$37.29
  2. Specialty average$1,303.06

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

One hospital affiliation

  1. Montefiore Medical CenterBronx, NY · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Maria Y. Mazing among 12,067 internal medicine physician records in New York

Maria Y. Mazing, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1996 · median 2002 among the 7,221 with a school on file
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

960 internal medicine physician records list a practice address in Bronx

They are 960 of the 32,017 NPPES records with a practice address in Bronx, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jacquelyn Afari, M.D.Bronx, NY 104671376581298
  2. Yelena Averbukh, M.D.Bronx, NY 104671467461665
  3. Dimyan Balikcioglu, MDBronx, NY 104671619984432
  4. Janet Gorkin, M.D.Bronx, NY 104671245346345
  5. Masoumeh Hassaninejad-Farahani, M.D.Bronx, NY 104671376513929
  6. Carol Kelly, M.D.Bronx, NY 104671306808647
  7. Dione Ndiaye, PACBronx, NY 104671851338883
  8. Ramasita Pisipati, M.D.Bronx, NY 104671992812556

Common questions

What is Maria Y. Mazing, MD's NPI number?

Maria Y. Mazing, MD's National Provider Identifier (NPI) is 1598877276, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maria Y. Mazing, MD located?

The NPPES record lists a practice address at 111 E 210TH St, Bronx, NY, 10467. Phone: (718) 920-2961. Providers update this record themselves, so call before visiting.

How can I verify Maria Y. Mazing, MD's license?

NPPES lists New York license number 242518, 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 Y. Mazing, MD prescribe under Medicare Part D?

In 2024, Maria Y. Mazing, MD had 452 Medicare Part D claims for 94 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Maria Y. Mazing, MD's MIPS final score?

The 2023 MIPS final score is 100 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.