Quick answers
- Where does James Castle see patients?
- Medicare's clinician data lists 4 practice locations, including Columbia, MD and Baltimore, MD. Call before your visit to confirm the address.
- What is James Castle's specialty?
- Medicare lists Dentist as the primary specialty.
- Does James Castle accept Medicare assignment?
- Medicare's clinician data says James Castle may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for James Castle?
- (410) 502-4340, as listed in official Medicare / NPI Registry data.
- What is James Castle's NPI number?
- 1477668796. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where James Castle is enrolled with Medicare (CMS data updated 2026-10-02).
- 5755 Cedar LnColumbia, MD 21044
- 5759 Cedar LnColumbia, MD 21044
- 600 N Wolf StBaltimore, MD 21287
- 600 N Wolfe St, Blalock 266Baltimore, MD 21287 (410) 502‑4340
Group practices
Medicare enrollment lists James Castle as a member of this group (CMS data updated 2026-10-02).
- Johns Hopkins University2,909 clinicians in the group
Specialties
- Dentistprimary
Other dentists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | DDS |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1477668796 |
| 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
- 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