Marianne Nellis, MD
Pediatric Critical Care Medicine Physician · New York, NY
Marianne Nellis, MD is a pediatric critical care medicine physician with a practice address in New York, New York, and NPI 1295175230, issued on Jul 3, 2013. Check the license (New York 234862, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Marianne Nellis
- Credential
- MD
- Primary taxonomy
- Pediatric Critical Care Medicine Physician 2080P0203X
- License number
- 234862 NY
Self-reported in NPPES; status is on the state search - Practice location
- 525 E 68TH St, New York, NY 10065
- Phone
- (212) 746-3056
- Enumerated
- Jul 3, 2013
- Entity
- Type 1 · individual
Also registered at 525 E 68TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marianne Nellis 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 234862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Pediatric Critical Care Medicine Physician providers in New York
There are 174 pediatric critical care medicine physician records in New York.
Other pediatric critical care medicine physician records in New York
- Adebayo Adeyinka, MDBrooklyn, NY1205912524
- Jamil Akhtar, M.DBrooklyn, NY1144294794
- Dora Alvarez, M.DBronx, NY1528132255
- Shashikanth Ambati, M.DAlbany, NY1346664315
- Deidre Anastas, MDRochester, NY1265827596
- Linda Aponte-Patel, M.D.New York, NY1710186804
- Jessica Asencio, M.D.New Hyde Park, NY1962816033
- Arsenia Asuncion, MDMineola, NY1750479036
- Adi Avniel Aran, MDBronx, NY1235631250
- John BairdNew York, NY1841264991
Common questions
What is Marianne Nellis, MD's NPI number?
Marianne Nellis, MD's National Provider Identifier (NPI) is 1295175230, issued on Jul 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Marianne Nellis, MD located?
The NPPES record lists a practice address at 525 E 68TH St, New York, NY, 10065. Phone: (212) 746-3056. Providers update this record themselves, so call before visiting.
How can I verify Marianne Nellis, MD's license?
NPPES lists New York license number 234862, 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.
What is Marianne Nellis, 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.