JUSTIN MARSHALL O'BRIEN MD
NPI 1306423017
Psychiatry & Neurology - Psychiatry in Irving, TX

Active since March 27, 2021PECOS EnrolledAccepts Medicare Assignment
4441 W AIRPORT FWY STE 215, IRVING, TX 75062(469) 913-6136 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 4, 2025, Mar 27, 2021 (2 updates tracked since 2021).

About Justin Marshall O'brien Md NPPES

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

JUSTIN MARSHALL O'BRIEN MD (NPI 1306423017) is an individual psychiatry provider in Irving, Texas, licensed in Texas (U3969) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1306423017
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameJUSTIN MARSHALL O'BRIENCredential: MD
Location Address4441 W AIRPORT FWY STE 215Irving, TX 75062-5959
Mailing Address4441 W Airport Fwy Ste 215Irving, TX 75062-5959
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 27, 2021
Last NPPES UpdateDecember 4, 20252 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
NPI 1306423017 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in TX · U3969
Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

4441 W AIRPORT FWY STE 215, Irving, TX 75062

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Justin Marshall O'brien Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214440742
PECOS Enrollment IDI20250627003913
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 75062 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
$172.86 typical visit price
range $57.18 – $172.86
Typical copayment $43.21 (range $14.29 – $43.21)
Most-billed visit code 99205
Established Patient
$71.28 typical visit price
range $18.48 – $141.20
Typical copayment $17.82 (range $4.62 – $35.30)
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 6

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

Pain Medicine (Interventional Pain Medicine)
4441 W AIRPORT FWY STE 215
IRVING, TX 75062
Pain Medicine (Interventional Pain Medicine)
4441 W AIRPORT FWY STE 215
IRVING, TX 75062
Pain Medicine (Interventional Pain Medicine)
4441 W AIRPORT FWY STE 215
IRVING, TX 75062
Nurse Anesthetist, Certified Registered
4441 W AIRPORT FWY STE 215
IRVING, TX 75062
Physician Assistant
4441 W AIRPORT FWY STE 215
IRVING, TX 75062
Physician Assistant
4441 W AIRPORT FWY STE 215
IRVING, TX 75062

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 Justin O'brien's NPI number?

The NPI number for Justin O'brien is 1306423017. It was assigned to this individual provider in the NPPES registry on March 27, 2021.

Where is Justin O'brien located?

Justin O'brien practices at 4441 W Airport Fwy Ste 215, Irving, TX 75062. The listed phone number is (469) 913-6136.

What is Justin O'brien's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Justin O'brien enrolled in Medicare?

Yes. Justin O'brien is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Justin O'brien accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 6 other insurers list Justin O'brien as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Justin O'brien was last updated on December 4, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.