NPPES file of Aug 9, 2026

Allison Rose Mastroianni, PA

Physician Assistant · Trumbull, CT

Allison Rose Mastroianni, PA is a physician assistant with a practice address in Trumbull, Connecticut, and NPI 1023858123, issued on May 28, 2024. Check the license (Connecticut 23.006711, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1023858123
Name
Allison Rose Mastroianni
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
23.006711 CT
Self-reported in NPPES; status is on the state search
Practice location
5520 Park Ave Ste WP-2300, Trumbull, CT 06611
Phone
(203) 374-0310
Enumerated
May 28, 2024
Record last updated
Aug 9, 2024
Fax
(203) 374-0314
Medicare enrollment
Enrolled (PECOS I20240923002855); accepts 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 5520 Park Ave Ste WP-2300

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

  1. Alicia Andaloro, PA-CPhysician Assistant1316303720
  2. Shelby BlackleySurgical Physician Assistant1518584259

Verify Allison Rose Mastroianni in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 23.006711
    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
Find the Connecticut 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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Bills Medicare through one group practice

  1. Shareef Jandali Plastic Surgery LLCTrumbull, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Allison Rose Mastroianni among 2,047 physician assistant records in Connecticut

Allison Rose Mastroianni, PA is one of 2,047 physician assistant records with a practice address in Connecticut. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 82% of them.

  • NPI issued2024 · 82% of these records are older, 11% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2024 · median 2018 among the 1,338 with a school on file
  • Record last updated2024 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 physician assistant records list a practice address in Trumbull

They are 21 of the 786 NPPES records with a practice address in Trumbull, and 2,047 physician assistant records in Connecticut.

The 8 physician assistant records with the nearest ZIP codes

  1. Alicia Andaloro, PA-CTrumbull, CT 066111316303720
  2. Joanna Breunig, PACTrumbull, CT 066111851385280
  3. Caroline Carruth, PA-CTrumbull, CT 066111427712272
  4. Kaitlyn Firman, PA-CTrumbull, CT 066111386020238
  5. Lauren FreerTrumbull, CT 066111427446970
  6. Christina Holland-RecineTrumbull, CT 066111952726861
  7. Elizabeth Hricik, P.A.Trumbull, CT 066111851585905
  8. Nicholas Lauricella, PATrumbull, CT 066111326773151

Common questions

What is Allison Rose Mastroianni, PA's NPI number?

Allison Rose Mastroianni, PA's National Provider Identifier (NPI) is 1023858123, issued on May 28, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Allison Rose Mastroianni, PA located?

The NPPES record lists a practice address at 5520 Park Ave Ste WP-2300, Trumbull, CT, 06611. Phone: (203) 374-0310. Providers update this record themselves, so call before visiting.

How can I verify Allison Rose Mastroianni, PA's license?

NPPES lists Connecticut license number 23.006711, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

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.