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DR. MARY FRANCES O'BRIEN M.D.
NPI 1659513570
Pediatrics in Houston, TX

Active since March 25, 2009
900 THREADNEEDLE ST, SUITE 100, HOUSTON, TX 77079(281) 588-3486 Get Directions Write a Review

NPPES record last updated: March 25, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mary Frances O'brien M.d. NPPES

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

DR. MARY FRANCES O'BRIEN M.D. (NPI 1659513570) is an individual pediatrics provider in Houston, Texas, licensed in Texas (H7577) and active in the NPI registry since March 2009.

NPPES Registry Identity

NPI1659513570
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MARY FRANCES O'BRIENCredential: M.D.
Location Address900 THREADNEEDLE ST, SUITE 100Houston, TX 77079-2919
Mailing Address900 Threadneedle St, Suite 100Houston, TX 77079-2919 · (281) 588-3486
Phone(281) 588-3486
Sole ProprietorYes
Enumeration DateMarch 25, 2009
✔ NPI 1659513570 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in TX · H7577
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
900 THREADNEEDLE ST, Houston, TX 77079
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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 Mary O'brien's NPI number?

The NPI number for Mary O'brien is 1659513570. It was assigned to this individual provider in the NPPES registry on March 25, 2009.

Where is Mary O'brien located?

Mary O'brien practices at 900 Threadneedle St Suite 100, Houston, TX 77079. The listed phone number is (281) 588-3486.

What is Mary O'brien's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Mary O'brien was last updated on March 25, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.