Quick answers
- Where does Christopher M. O Brien see patients?
- Medicare's clinician data lists 2 practice locations, including Knoxville, TN. Call before your visit to confirm the address.
- What is Christopher M. O Brien's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Christopher M. O Brien accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher M. O Brien 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 Christopher M. O Brien?
- (865) 290-3586, as listed in official Medicare / NPI Registry data.
- What is Christopher M. O Brien's NPI number?
- 1881009272. 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 Christopher M. O Brien is enrolled with Medicare (CMS data updated 2026-10-02).
- 2433 Regan Rd, The Lantern at Morning Pointe Hardin ValleyKnoxville, TN 37931 (865) 290‑3586
- 8458 Gleason DrKnoxville, TN 37919 (865) 474‑9837
Group practices
Medicare enrollment lists Christopher M. O Brien as a member of these groups (CMS data updated 2026-10-02).
- Legacy Healthcare Services Inc3,223 clinicians in the group
- Healthpro Heritage Rehab and Fitness LLC969 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Tennessee →
Other physical therapists in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Clinician information
| Graduation year | 2014 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881009272 |
| 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