Quick answers
- Which hospitals does James S. Gardiner work at?
- Medicare's official clinician data lists James S. Gardiner at 1 hospital: Adventist Healthcare Shady Grove Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James S. Gardiner see patients?
- Medicare's clinician data lists 4 practice locations, including Emmitsburg, MD, Germantown, MD and Olney, MD. Call before your visit to confirm the address.
- What is James S. Gardiner's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does James S. Gardiner accept Medicare assignment?
- Yes. Medicare's clinician data says James S. Gardiner 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 James S. Gardiner?
- (240) 215-6310, as listed in official Medicare / NPI Registry data.
- What is James S. Gardiner's NPI number?
- 1295742450. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James S. Gardiner works
Medicare's Facility Affiliation Data lists James S. Gardiner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Healthcare Shady Grove Medical CenterRockville, MD · Acute Care Hospital · CCN 210057
Practice locations
Addresses where James S. Gardiner is enrolled with Medicare (CMS data updated 2026-10-02).
- 16403 Old Emmitsburg RdEmmitsburg, MD 21727 (240) 215‑6310
- 19847 Century Blvd, Suite 205Germantown, MD 20874 (301) 515‑0900
- 3414 Olandwood CtOlney, MD 20832 (301) 774‑0500
- 6710 A Rockledge Dr, Suite 130Bethesda, MD 20817 (301) 515‑0900
Group practices
Medicare enrollment lists James S. Gardiner as a member of these groups (CMS data updated 2026-10-02).
- Centers for Advanced Orthopaedics LLC604 clinicians in the group
- Frederick Health Hospital Inc127 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295742450 |
| 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