NPPES file of Aug 9, 2026

Allison Mille Portenoy, MD

Pediatric Critical Care Medicine Physician · New York, NY

Allison Mille Portenoy, MD is a pediatric critical care medicine physician with a practice address in New York, New York, and NPI 1497243547, issued on Apr 24, 2018. Check the license (New York 311409, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497243547
Name
Allison Mille Portenoy
Credential
MD
Primary taxonomy
Pediatric Critical Care Medicine Physician 2080P0203X
License number
311409 NY
Self-reported in NPPES; status is on the state search
Practice location
1184 5TH Ave FL 6, New York, NY 10029
Phone
(144) 007-6449
Enumerated
Apr 24, 2018
Record last updated
Jun 6, 2024
Medicare enrollment
Enrolled (PECOS I20260212001782); 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 1184 5TH Ave FL 6

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

  1. Jan Fune, MDPediatrics Physician1326546961
  2. Malorie Meshkati, MDPediatrics Physician1922418581

Verify Allison Mille Portenoy 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 311409
    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

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Allison Mille Portenoy among 247 pediatric critical care medicine physician records in New York

Allison Mille Portenoy, MD is one of 247 pediatric critical care medicine physician records with a practice address in New York. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2018, is newer than 87% of them.

  • NPI issued2018 · 87% of these records are older, 7% newer
  • In a Medicare fileNo · 31% of these records are
  • In the CMS Doctors and Clinicians fileYes · 22% of these records are
  • Graduated2018 · median 2014 among the 55 with a school on file
  • Record last updated2024 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0203X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Critical Care Medicine Physician providers in New York

There are 247 pediatric critical care medicine physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatric critical care medicine physician records with the nearest ZIP codes

  1. Scott Aydin, M.D.New York, NY 100291619101268
  2. Joseph Dario, M.D.New York, NY 100291356757017
  3. Ariel Daube, MDNew York, NY 100291942526926
  4. Joanne Hojsak, M.D.New York, NY 100291437128378
  5. Boran Li, MDNew York, NY 100291215279765
  6. Judith Mathieu, MDNew York, NY 100291700128808
  7. Rachel Moss, MDNew York, NY 100291699235077
  8. Tasmia RezwanNew York, NY 100291114459112

Common questions

What is Allison Mille Portenoy, MD's NPI number?

Allison Mille Portenoy, MD's National Provider Identifier (NPI) is 1497243547, issued on Apr 24, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Allison Mille Portenoy, MD located?

The NPPES record lists a practice address at 1184 5TH Ave FL 6, New York, NY, 10029. Phone: (144) 007-6449. Providers update this record themselves, so call before visiting.

How can I verify Allison Mille Portenoy, MD's license?

NPPES lists New York license number 311409, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.