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TRICIA J. O'BRIEN MD
NPI 1174727945
General Practice in Frisco, TX

Active since June 13, 2007Opted out of Medicare · through Oct 4, 2026
8641 5TH ST, SUITE W8, FRISCO, TX 75034(214) 631-9321(888) 975-4204 Get Directions Write a Review

NPPES record last updated: September 30, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Tricia J. O'brien Md NPPES

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

TRICIA J. O'BRIEN MD (NPI 1174727945) is an individual general practice provider in Frisco, Texas, licensed in Texas (N1504) and active in the NPI registry since June 2007. She has opted out of Medicare through October 4, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1174727945
Entity TypeIndividualFemale
Primary Taxonomy208D00000X
Provider Legal NameTRICIA J. O'BRIENCredential: MD
Location Address8641 5TH ST, SUITE W8Frisco, TX 75034-4290
Mailing Address8641 5th St, Suite W8Frisco, TX 75034-4290 · (214) 631-9321 · Fax (888) 975-4204
Phone(214) 631-9321
Fax(888) 975-4204
Sole ProprietorNo
Enumeration DateJune 13, 2007
Last NPPES UpdateSeptember 30, 2015
✔ NPI 1174727945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in TX · N1504
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
8641 5TH ST, Frisco, TX 75034
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Tricia J. O'brien Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 4, 2016 through October 4, 2026.

Opt-Out Effective DateOctober 4, 2016
Opt-Out In Effect ThroughOctober 4, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 1174727945. It was assigned to this individual provider in the NPPES registry on June 13, 2007.

Where is Tricia O'brien located?

Tricia O'brien practices at 8641 5th St Suite W8, Frisco, TX 75034. The listed phone number is (214) 631-9321.

What is Tricia O'brien's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Tricia O'brien enrolled in Medicare?

No. Tricia O'brien has opted out of Medicare through October 4, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Tricia O'brien was last updated on September 30, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.