Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Tia Gialuong O'Brien, PA-C

Individual provider Physician Assistant · NPI 1538715057

Tia Gialuong O'Brien, PA-C is a Physician Assistant in Williamsport, Pennsylvania. Licensed in Guam, New Jersey, New York and Ohio and 1 more. Registered with an NPI since 2019.

Licensed in
GU, NJ, NY, OH, PA
In the registry since
2019
Specialties on file
6
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

1 College Ave # DIF123
Williamsport, PA 17701-5778
Phone: (570) 327-4779
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 25MP00831300 (NJ)
Physician Assistant Taxonomy 363A00000X (GU)
Physician Assistant Taxonomy 363A00000X · Licence 50.008686RX (OH)
Physician Assistant Taxonomy 363A00000X · Licence 031788-01 (NY)
Medical Physician Assistant Taxonomy 363AM0700X · Licence MA063818 (PA)
Medical Physician Assistant Taxonomy 363AM0700X · Licence OA006188 (PA)

Record details

NPI number1538715057
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedAugust 12, 2019
Last updated in NPPESSeptember 26, 2024
Certification dateSeptember 26, 2024

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