Quick answers
- Which hospitals does Tierney M. O Connell work at?
- Medicare's official clinician data lists Tierney M. O Connell at 1 hospital: MedStar Union Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tierney M. O Connell see patients?
- Medicare's clinician data lists 4 practice locations, including Glen Burnie, MD and Baltimore, MD. Call before your visit to confirm the address.
- What is Tierney M. O Connell's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Tierney M. O Connell accept Medicare assignment?
- Yes. Medicare's clinician data says Tierney M. O Connell 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 Tierney M. O Connell?
- (410) 768-6440, as listed in official Medicare / NPI Registry data.
- What is Tierney M. O Connell's NPI number?
- 1508195215. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tierney M. O Connell works
Medicare's Facility Affiliation Data lists Tierney M. O Connell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Union Memorial HospitalBaltimore, MD · Acute Care Hospital · CCN 210024
Practice locations
Addresses where Tierney M. O Connell is enrolled with Medicare (CMS data updated 2026-10-02).
- 1406 Crain S Hwy 106Glen Burnie, MD 21061 (410) 768‑6440
- 201 E University PkwyBaltimore, MD 21218 (410) 554‑2000
- 3304 Guilford AveBaltimore, MD 21218 (410) 554‑6740
- 3304 Guilford Ave, Mmg at Guilford AveBaltimore, MD 21218 (410) 554‑6740
Group practices
Medicare enrollment lists Tierney M. O Connell as a member of this group (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Maryland →
Other nurse anesthetists in Glen Burnie
Clinicians with the same Medicare primary specialty in Glen Burnie, MD — not a recommendation.
Clinician information
| Graduation year | 2005 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508195215 |
| 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