Quick answers
- Which hospitals does Colleen T. O'Brien work at?
- Medicare's official clinician data lists Colleen T. O'Brien at 1 hospital: Roper Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Colleen T. O'Brien see patients?
- Medicare's clinician data lists 4 practice locations, including Mount Pleasant, SC, Charleston, SC and Mt Pleasant, SC. Call before your visit to confirm the address.
- What is Colleen T. O'Brien's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Colleen T. O'Brien accept Medicare assignment?
- Yes. Medicare's clinician data says Colleen T. 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 Colleen T. O'Brien?
- (843) 884-1777, as listed in official Medicare / NPI Registry data.
- What is Colleen T. O'Brien's NPI number?
- 1801508148. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Colleen T. O'Brien works
Medicare's Facility Affiliation Data lists Colleen T. O'Brien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Roper HospitalCharleston, SC · Acute Care Hospital · CCN 420087
Practice locations
Addresses where Colleen T. O'Brien is enrolled with Medicare (CMS data updated 2026-10-02).
- 180 Wingo Way, Suite 306Mount Pleasant, SC 29464 (843) 884‑1777
- 2095 Henry Tecklenburg DrCharleston, SC 29414 (843) 402‑1006
- 316 Calhoun StCharleston, SC 29401 (843) 724‑2901
- 3510 N Hwy 17, Suite 315Mt Pleasant, SC 29466 (843) 884‑1777
Group practices
Medicare enrollment lists Colleen T. O'Brien as a member of these groups (CMS data updated 2026-10-02).
- Roper Saint Francis Physicians Network528 clinicians in the group
- 24 on Physicians of SC LLC141 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Mount Pleasant
Clinicians with the same Medicare primary specialty in Mount Pleasant, SC — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801508148 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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