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TIA GIALUONG O'BRIEN PA-C
NPI 1538715057
Physician Assistant in Williamsport, PA

Active since August 12, 2019PECOS Enrolled
1 COLLEGE AVE # DIF123, WILLIAMSPORT, PA 17701(570) 327-4779 Get Directions Write a Review

NPPES record last updated: September 26, 2024. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Sep 26, 2024, Nov 18, 2022, Apr 5, 2022 and 2 more (5 updates tracked since 2019).

About Tia Gialuong O'brien Pa-c NPPES

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

TIA GIALUONG O'BRIEN PA-C (NPI 1538715057) is an individual physician assistant in Williamsport, Pennsylvania, licensed in New Jersey (25MP00831300) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538715057
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameTIA GIALUONG O'BRIENCredential: PA-C
Location Address1 COLLEGE AVE # DIF123Williamsport, PA 17701-5778
Mailing Address1 College Ave # Dif123Williamsport, PA 17701-5778 · (570) 327-4779
Phone(570) 327-4779
Sole ProprietorNo
Enumeration DateAugust 12, 2019
Last NPPES UpdateSeptember 26, 20245 updates tracked since enumeration
NPPES CertifiedSeptember 26, 2024
✔ NPI 1538715057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in NJ · 25MP00831300✔ Licensed in OH · 50.008686RX✔ Licensed in NY · 031788-01
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.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License MA063818 (PA), OA006188 (PA)
1 COLLEGE AVE # DIF123, Williamsport, PA 17701
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Other Names 1

Former Name (1)Tia Gialuong La Pa-c

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tia Gialuong O'brien Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SAMER REFAAT DOSS
Student in an Organized Health Care Education/Training Program
1 COLLEGE AVE # DIF123
WILLIAMSPORT, PA 17701
Lycoming County (570) 321-2774

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 Tia O'brien's NPI number?

The NPI number for Tia O'brien is 1538715057. It was assigned to this individual provider in the NPPES registry on August 12, 2019. The provider is also known as Tia Gialuong La Pa-C.

Where is Tia O'brien located?

Tia O'brien practices at 1 College Ave # Dif123, Williamsport, PA 17701. The listed phone number is (570) 327-4779.

What is Tia O'brien's specialty?

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

Is Tia O'brien enrolled in Medicare?

Yes. Tia O'brien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Tia O'brien was last updated on September 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.