Quick answers
- Which hospitals does John Masterson work at?
- Medicare's official clinician data lists John Masterson at 5 hospitals: Bayhealth Hospital, Sussex Campus, Bayhealth Medical Center, Kent Campus, Beebe Medical Center, Chester County Hospital and Christiana Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Masterson see patients?
- Medicare's clinician data lists 3 practice locations, including New Castle, DE, Middletown, DE and Newark, DE. Call before your visit to confirm the address.
- What is John Masterson's specialty?
- Medicare lists Urology as the primary specialty.
- Does John Masterson accept Medicare assignment?
- Yes. Medicare's clinician data says John Masterson 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 Masterson?
- (302) 652-8990, as listed in official Medicare / NPI Registry data.
- What is John Masterson's NPI number?
- 1043773732. 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 Masterson works
Medicare's Facility Affiliation Data lists John Masterson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bayhealth Hospital, Sussex CampusMilford, DE · Acute Care Hospital · CCN 080009
- Bayhealth Medical Center, Kent CampusDover, DE · Acute Care Hospital · CCN 080004
- Beebe Medical CenterLewes, DE · Acute Care Hospital · CCN 080007
- Chester County HospitalWest Chester, PA · Acute Care Hospital · CCN 390179
- Christiana HospitalNewark, DE · Acute Care Hospital · CCN 080001
Practice locations
Addresses where John Masterson is enrolled with Medicare (CMS data updated 2026-10-02).
- 12 Reads Way, Suite 2000New Castle, DE 19720 (302) 652‑8990
- 272 Carter Dr, Suite 200Middletown, DE 19709 (302) 652‑8990
- 4755 Ogletown Stanton RdNewark, DE 19718
Group practices
Medicare enrollment lists John Masterson as a member of these groups (CMS data updated 2026-10-02).
- Christiana Care Health Services Inc1,483 clinicians in the group
- Brandywine Urology Consultants PA19 clinicians in the group
Specialties
- Urologyprimary
Other urologists in New Castle
Clinicians with the same Medicare primary specialty in New Castle, DE — not a recommendation.
Clinician information
| Medical school | University Of Miami, Lm Miller School Of Medicine |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043773732 |
| 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