What is Mary O'Brien's NPI number?

Mary O'Brien's National Provider Identifier (NPI) is 1659513570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary O'Brien's specialty?

Mary O'Brien is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Mary O'Brien located?

Mary O'Brien's practice location on file with NPPES is 900 Threadneedle St, Houston, TX 77079-2919.

What is Mary O'Brien's phone number?

The practice phone number listed in the NPPES registry for Mary O'Brien is (281) 588-3486.

Is Mary O'Brien's NPI active?

Yes — Mary O'Brien's NPI (1659513570) is active in the NPPES registry as of the last update on 2009-03-25.

IndividualActive

Mary O'Brien, M.D.

NPI 1659513570 · Pediatrics Physician · Houston, TX

Mary O'Brien, M.D. is a Pediatrics Physician provider in Houston, TX (NPI 1659513570).

Provider details

NPI number: 1659513570
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Female
Sole proprietor: Yes
License: H7577 (TX)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense H7577 (TX)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(85/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
17 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

900 Threadneedle St

Suite 100

Houston, TX 77079-2919

Phone: (281) 588-3486

Street-level locationGet directions

More TX providers

Mailing address