Quick answers
- Which hospitals does Benjamin W. Diffenderfer work at?
- Medicare's official clinician data lists Benjamin W. Diffenderfer at 1 hospital: Umd Upper Chesapeake Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Benjamin W. Diffenderfer see patients?
- Medicare's clinician data lists 2 practice locations, including Forest Hill, MD and Bel Air, MD. Call before your visit to confirm the address.
- What is Benjamin W. Diffenderfer's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Benjamin W. Diffenderfer accept Medicare assignment?
- Yes. Medicare's clinician data says Benjamin W. Diffenderfer 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.
- Does Benjamin W. Diffenderfer offer telehealth?
- Medicare's clinician data says Benjamin W. Diffenderfer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Benjamin W. Diffenderfer?
- (443) 643-3130, as listed in official Medicare / NPI Registry data.
- What is Benjamin W. Diffenderfer's NPI number?
- 1679857239. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Benjamin W. Diffenderfer works
Medicare's Facility Affiliation Data lists Benjamin W. Diffenderfer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Umd Upper Chesapeake Medical CenterBel Air, MD · Acute Care Hospital · CCN 210049
Practice locations
Addresses where Benjamin W. Diffenderfer is enrolled with Medicare (CMS data updated 2026-10-02).
- 12 Newport Dr, Suite AForest Hill, MD 21050
- 510 Upper Chesapeake Dr, Suite 417Bel Air, MD 21014 (443) 643‑3130
Group practices
Medicare enrollment lists Benjamin W. Diffenderfer as a member of these groups (CMS data updated 2026-10-02).
- Agape Physical Therapy and Sports Rehabilitation LP678 clinicians in the group
- Upper Chesapeake Orthopedics, LLC11 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Forest Hill
Clinicians with the same Medicare primary specialty in Forest Hill, MD — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1679857239 |
| 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