Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Haley Alexandropoulos, PA-C
Physician Assistant in Commack, NY · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851936603
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Registry record
Entity type Individual (Type 1)
Name Haley Alexandropoulos
Credential PA-C
Sex Female
Practice address 353 Veterans Memorial Hwy, Commack, NY, 11725
Phone (631) 543-4888
Fax (631) 543-3549
Enumeration date Nov 14, 2019
Last updated in NPPES Oct 29, 2020
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 024875 (NY) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Haley Alexandropoulos practice?
The practice location on file with NPPES is in Commack, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Haley Alexandropoulos?
The National Provider Identifier (NPI) for Haley Alexandropoulos is 1851936603, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Glen R. Kreitzberg D.D.S.,P.C. Dental Clinic/Center · Commack, NY NPI 1881670883 Regina Yavel Dermatology Physician · Commack, NY NPI 1871529016 C Corina Gerontis MD PC Ophthalmology Physician · Commack, NY NPI 1366521445 Jennifer Rath Physician Assistant · Commack, NY NPI 1679629315 Island Musculoskeletal Care MD, PC Physical Therapist · Commack, NY NPI 1295930626 Carefirst Family Medical PC Primary Care Clinic/Center · Commack, NY NPI 1174719496 Roxanne G Carfora Family Medicine Physician · Commack, NY NPI 1659530152 Daniel Birk Neurological Surgery Physician · Commack, NY NPI 1578880274
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-29.