Registry data as of Aug 27, 2026

Mervat Nassef, MD

Pediatric Allergy/Immunology Physician · New York, NY

Mervat Nassef, MD is a pediatric allergy/immunology physician with a practice address in New York, New York, and NPI 1063478915, issued on Apr 20, 2006. Check the license (New York 176745, 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
1063478915
Name
Mervat Nassef
Credential
MD
Primary taxonomy
Pediatric Allergy/Immunology Physician 2080P0201X
License number
176745 NY
Self-reported in NPPES; status is on the state search
Practice location
3959 Broadway, New York, NY 10032
Phone
(221) 304-7250
Enumerated
Apr 20, 2006
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 3959 Broadway

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

  1. Manar Abdalgani, MBBSAllergy & Immunology Physician1154671873
  2. Danielle Abraham, MDStudent in an Organized Health Care Education/Training Program1649111691
  3. Maria Cecilia Abreu GonzalezStudent in an Organized Health Care Education/Training Program1770423204
  4. Paris AcquaroStudent in an Organized Health Care Education/Training Program1194665828
  5. Linda AddonizioPediatric Cardiology Physician1639143779
  6. Mishuka AdhikaryPediatrics Physician1558762161

Verify Mervat Nassef 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 176745
    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.

26% fewer Medicare Part D claims than the average pediatric allergy/immunology physician in 2024

278 Medicare Part D claims for 49 beneficiaries, against an average of 374 among the 171 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Mervat Nassef278
  2. Specialty average374

Most prescribed

  1. Azelastine Hcl46 claims
  2. Levocetirizine Dihydrochloride42 claims
  3. Famotidine38 claims
  4. Fluticasone Propionate36 claims
  5. Montelukast Sodium29 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 Medicare quality score for 2023: 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.

  1. Qualityout of 100 · 30% of the final score86.8
  2. Costout of 100 · 30%
  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; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Trustees OF Columbia University IN The City OF New YorkNew York, 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.

Pediatric Allergy/Immunology Physician providers in New York

There are 51 pediatric allergy/immunology physician records in New York.

Other pediatric allergy/immunology physician records in New York

  1. Ama Alexis, M.D.New York, NY1700978681
  2. Won Baik-Han, M.D.Flushing, NY1538230099
  3. Selene Bantz, M.D.New York, NY1619111366
  4. Theresa Bingemann, M.D.Rochester, NY1851377824
  5. Vincent Bonagura, MDGreat Neck, NY1568556629
  6. Joel Brooks, DO, MPHNew York, NY1629400635
  7. Amy Burris, M.D.Rochester, NY1174902522
  8. Marie Cavuoto Petrizzo, MD, MSEDGreat Neck, NY1326132473
  9. Mary Conley, MDNew York, NY1598721680
  10. Viveka De Guerra, M.D.Buffalo, NY1265888523

Common questions

What is Mervat Nassef, MD's NPI number?

Mervat Nassef, MD's National Provider Identifier (NPI) is 1063478915, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mervat Nassef, MD located?

The NPPES record lists a practice address at 3959 Broadway, New York, NY, 10032. Phone: (221) 304-7250. Providers update this record themselves, so call before visiting.

How can I verify Mervat Nassef, MD's license?

NPPES lists New York license number 176745, 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 Mervat Nassef, MD prescribe under Medicare Part D?

In 2024, Mervat Nassef, MD had 278 Medicare Part D claims for 49 beneficiaries; the average among pediatric allergy/immunology physician prescribers was 374. Part D covers Medicare prescriptions only.

What is Mervat Nassef, MD's Medicare quality 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), 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.