Quick answers
- Where does Robert J. Obrien see patients?
- Medicare's clinician data lists 3 practice locations, including Magnolia, TX, Conroe, TX and Kingwood, TX. Call before your visit to confirm the address.
- What is Robert J. Obrien's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Robert J. Obrien accept Medicare assignment?
- Yes. Medicare's clinician data says Robert J. Obrien accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Robert J. Obrien?
- (832) 702-7699, as listed in official Medicare / NPI Registry data.
- What is Robert J. Obrien's NPI number?
- 1003043027. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Robert J. Obrien is enrolled with Medicare (CMS data updated 2026-10-02).
- 10422 Research Forest DrMagnolia, TX 77354 (832) 702‑7699
- 1150 W Dallas StConroe, TX 77301 (713) 955‑4510
- 300 Northpark DrKingwood, TX 77339 (281) 310‑8445
Group practices
Medicare enrollment lists Robert J. Obrien as a member of this group (CMS data updated 2026-10-02).
- Houston Carenow Urgent Care PLLC117 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Magnolia
Clinicians with the same Medicare primary specialty in Magnolia, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003043027 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians