Quick answers
- Where does Kristen O'Brien see patients?
- Medicare's clinician data lists 2 practice locations, including Waldorf, MD and Baltimore, MD. Call before your visit to confirm the address.
- What is Kristen O'Brien's specialty?
- Medicare lists Occupational Therapist in Private Practice as the primary specialty.
- Does Kristen O'Brien accept Medicare assignment?
- Yes. Medicare's clinician data says Kristen 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 Kristen O'Brien?
- (877) 407-3422, as listed in official Medicare / NPI Registry data.
- What is Kristen O'Brien's NPI number?
- 1326503236. 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 Kristen O'Brien is enrolled with Medicare (CMS data updated 2026-10-02).
- 11665 Doolittle DrWaldorf, MD 20602 (877) 407‑3422
- 6451 N Charles StBaltimore, MD 21212 (877) 407‑3422
Group practices
Medicare enrollment lists Kristen O'Brien as a member of this group (CMS data updated 2026-10-02).
- Fox Rehab Ot MD LLC62 clinicians in the group
Specialties
Find other clinicians: Occupational Therapist in Private Practice, Maryland →
Other occupational therapists in Waldorf
Clinicians with the same Medicare primary specialty in Waldorf, MD — not a recommendation.
Clinician information
| Credential | OT |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326503236 |
| 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