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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MICHELLE HENIA MORDASIEWICZ PA-C
NPI 1457255614
Physician Assistant in New Haven, CT

Active since October 02, 2026
1 LONG WHARF DR STE 210, NEW HAVEN, CT 06511(877) 925-3637(203) 688-4542 Get Directions Write a Review

NPPES record added: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Michelle Henia Mordasiewicz Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHELLE HENIA MORDASIEWICZ PA-C (NPI 1457255614) is an individual physician assistant in New Haven, Connecticut and active in the NPI registry since October 2026. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1457255614
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMICHELLE HENIA MORDASIEWICZCredential: PA-C
Location Address1 LONG WHARF DR STE 210New Haven, CT 06511-5591
Mailing Address1 Long Wharf Dr Ste 210New Haven, CT 06511-5591 · (877) 925-3637 · Fax (203) 688-4542
Phone(877) 925-3637
Fax(203) 688-4542
Sole ProprietorNo
Enumeration DateOctober 2, 2026
NPPES CertifiedOctober 2, 2026
✔ NPI 1457255614 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1 LONG WHARF DR STE 210, New Haven, CT 06511
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Secondary Practice Locations 2

Location 15520 Park Ave Ste 600Trumbull, CT 06611-3463 · Phone (877) 925-3637
Location 21 Park St Fl 2New Haven, CT 06504-8901 · Phone (877) 925-3637

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michelle Mordasiewicz's NPI number?

The NPI number for Michelle Mordasiewicz is 1457255614. It was assigned to this individual provider in the NPPES registry on October 2, 2026.

Where is Michelle Mordasiewicz located?

Michelle Mordasiewicz practices at 1 Long Wharf Dr Ste 210, New Haven, CT 06511. The listed phone number is (877) 925-3637.

What is Michelle Mordasiewicz's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Michelle Mordasiewicz was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.