Quick answers
- Which hospitals does John Klimkiewicz work at?
- Medicare's official clinician data lists John Klimkiewicz 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 John Klimkiewicz see patients?
- Medicare's clinician data lists 3 practice locations, including Chevy Chase, MD and Bethesda, MD. Call before your visit to confirm the address.
- What is John Klimkiewicz's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does John Klimkiewicz accept Medicare assignment?
- Yes. Medicare's clinician data says John Klimkiewicz 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 John Klimkiewicz?
- (301) 882-2000, as listed in official Medicare / NPI Registry data.
- What is John Klimkiewicz's NPI number?
- 1346249505. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Klimkiewicz works
Medicare's Facility Affiliation Data lists John Klimkiewicz 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 John Klimkiewicz is enrolled with Medicare (CMS data updated 2026-10-02).
- 5454 Wisconsin Ave, Suite 1000Chevy Chase, MD 20815 (301) 882‑2000
- 6410 Rockledge DrBethesda, MD 20817
- 6410 Rockledge Dr, Suite 600Bethesda, MD 20817
Group practices
Medicare enrollment lists John Klimkiewicz as a member of these groups (CMS data updated 2026-10-02).
- Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group
- District Orthopaedics, PC10 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Chevy Chase
Clinicians with the same Medicare primary specialty in Chevy Chase, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346249505 |
| 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