Quick answers
- Which hospitals does Joseph R. Obrien work at?
- Medicare's official clinician data lists Joseph R. Obrien at 2 hospitals: Sibley Memorial Hospital and Virginia Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph R. Obrien see patients?
- Medicare's clinician data lists 8 practice locations, including Bethesda, MD, Arlington, VA and Frederick, MD. Call before your visit to confirm the address.
- What is Joseph R. Obrien's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Joseph R. Obrien accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph R. 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.
- Does Joseph R. Obrien offer telehealth?
- Medicare's clinician data says Joseph R. Obrien offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Joseph R. Obrien?
- (301) 530-1010, as listed in official Medicare / NPI Registry data.
- What is Joseph R. Obrien's NPI number?
- 1437109907. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph R. Obrien works
Medicare's Facility Affiliation Data lists Joseph R. Obrien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · CCN 090005
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · CCN 490050
Practice locations
Addresses where Joseph R. Obrien is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 10215 Fernwood Rd, Suite 506Bethesda, MD 20817 (301) 530‑1010
- 1635 N George Mason Dr, Suite 180Arlington, VA 22205 (703) 717‑7969
- 1851 N George Mason Dr, Suite 4cArlington, VA 22207 (703) 717‑4250
- 187 Thomas Johnson DrFrederick, MD 21702
- 187 Thomas Johnson Dr, Suite 6Frederick, MD 21702
Group practices
Medicare enrollment lists Joseph R. Obrien as a member of these groups (CMS data updated 2026-10-02).
- Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group
- Virginia Hospital Center Physician Group LLC353 clinicians in the group
- Amber Hill Physical Therapy Inc334 clinicians in the group
- Bethesda Chevy Chase Orthopaedic Associates, LLC134 clinicians in the group
- Frederick Health Hospital Inc127 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Bethesda
Clinicians with the same Medicare primary specialty in Bethesda, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1437109907 |
| 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