Quick answers
- Which hospitals does John D. McCadden work at?
- Medicare's official clinician data lists John D. McCadden at 1 hospital: Johns Hopkins Bayview Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John D. McCadden see patients?
- Medicare's clinician data lists 10 practice locations, including Essex, MD, Middle River, MD and Bel Air, MD. Call before your visit to confirm the address.
- What is John D. McCadden's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does John D. McCadden accept Medicare assignment?
- Medicare's clinician data says John D. McCadden 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 John D. McCadden?
- (443) 231-5203, as listed in official Medicare / NPI Registry data.
- What is John D. McCadden's NPI number?
- 1639241912. 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 D. McCadden works
Medicare's Facility Affiliation Data lists John D. McCadden at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Johns Hopkins Bayview Medical CenterBaltimore, MD · Acute Care Hospital · CCN 210029
Practice locations
Addresses where John D. McCadden is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 1354 Eastern Blvd, Expresscare of EssexEssex, MD 21221 (443) 231‑5203
- 1470 Martin BlvdMiddle River, MD 21220 (443) 231‑5203
- 1505 E Churchville RdBel Air, MD 21014
- 1505 E Churchville Rd, Expresscare of Bel AirBel Air, MD 21014 (410) 420‑6970
- 2006 Rock Spring RdForest Hill, MD 21050 (410) 569‑0044
Group practices
Medicare enrollment lists John D. McCadden as a member of these groups (CMS data updated 2026-10-02).
- Johns Hopkins University2,909 clinicians in the group
- MNR Industries, LLC139 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1639241912 |
| 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