DR. TRICIA JOANNE O'BRIEN DO
NPI 1902509896
Student in an Organized Health Care Education/Training Program in Houston, TX

Q: What is Tricia O'brien's NPI number?

The NPI number for Tricia O'brien is 1902509896. It was assigned to this individual provider in the NPPES registry on March 22, 2023.

Q: What is Tricia O'brien's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Q: When was this NPI record last updated?

The NPPES record for Tricia O'brien was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since March 22, 2023PECOS Enrolled

6431 FANNIN ST, MSB 2.262, HOUSTON, TX 77030(713) 500-5302 Get Directions Write a Review

NPPES record last updated: March 4, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 4, 2026, Mar 22, 2023 (2 updates tracked since 2023).

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About Dr. Tricia Joanne O'brien Do NPPES

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

DR. TRICIA JOANNE O'BRIEN DO (NPI 1902509896) is an individual student in an organized health care education/training program in Houston, Texas and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902509896

Entity TypeIndividualFemale

Primary Taxonomy390200000X

Provider Legal NameDR. TRICIA JOANNE O'BRIENCredential: DO

Location Address6431 FANNIN ST, MSB 2.262Houston, TX 77030-1501

Mailing Address6431 Fannin St, Msb 2.262Houston, TX 77030-1501 · (713) 500-5302

Phone(713) 500-5302

Sole ProprietorNo

Enumeration DateMarch 22, 2023

Last NPPES UpdateMarch 4, 20262 updates tracked since enumeration

NPPES CertifiedMarch 4, 2026

✔ NPI 1902509896 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care

Taxonomy Code390200000X

Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

6431 FANNIN ST, Houston, TX 77030

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tricia Joanne O'brien Do 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.

Other Providers at the Same Location NPPES 20

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

DR. STUART MASON FRASER M.D.

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

6431 FANNIN ST, MSB 3.151
HOUSTON, TX 77030

Harris County (713) 500-5800

AMY ROSSI MD

Emergency Medicine

6431 FANNIN ST, JJL 431
HOUSTON, TX 77030

Harris County (713) 500-7882

MATTHEW KHOA NGUYEN

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-6113

MARY WAYNE PELTIER MD

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-5010

HANNA MAVRIC DO

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-7882

DR. DAVIDE CATTANO MD

Anesthesiology

6431 FANNIN ST, MSB 5.020
HOUSTON, TX 77030

Harris County (713) 500-6235

MICHAEL ANTHONY HOLZMAN

Orthopaedic Surgery

6431 FANNIN ST, SUITE JJL 310
HOUSTON, TX 77030

Harris County (713) 500-5154

SHUBHANGI MEHRA

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-0798

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 Tricia O'brien's NPI number?

The NPI number for Tricia O'brien is 1902509896. It was assigned to this individual provider in the NPPES registry on March 22, 2023.

Where is Tricia O'brien located?

Tricia O'brien practices at 6431 Fannin St Msb 2.262, Houston, TX 77030. The listed phone number is (713) 500-5302.

What is Tricia O'brien's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Tricia O'brien enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Tricia O'brien was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.