Quick answers
- Which hospitals does Denny John work at?
- Medicare's official clinician data lists Denny John at 4 hospitals: Milton S Hershey Medical Center, Penn State Health Holy Spirit Medical Center, Reading Hospital and UPMC Pinnacle Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Denny John see patients?
- Medicare's clinician data lists 3 practice locations, including Hammonton, NJ and Hershey, PA. Call before your visit to confirm the address.
- What is Denny John's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Denny John accept Medicare assignment?
- Yes. Medicare's clinician data says Denny John 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 Denny John offer telehealth?
- Medicare's clinician data says Denny John offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Denny John?
- (888) 985-2727, as listed in official Medicare / NPI Registry data.
- What is Denny John's NPI number?
- 1568422848. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Denny John works
Medicare's Facility Affiliation Data lists Denny John at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Milton S Hershey Medical CenterHershey, PA · Acute Care Hospital · CCN 390256
- Penn State Health Holy Spirit Medical CenterCamp Hill, PA · Acute Care Hospital · CCN 390004
- Reading HospitalWest Reading, PA · Acute Care Hospital · CCN 390044
- UPMC Pinnacle HospitalsHarrisburg, PA · Acute Care Hospital · CCN 390067
Practice locations
Addresses where Denny John is enrolled with Medicare (CMS data updated 2026-10-02).
- 2 8th StHammonton, NJ 08037 (888) 985‑2727
- 30 Hope Dr, Suite 1300Hershey, PA 17033 (717) 531‑3828
- 500 Universidy DrHershey, PA 17033 (717) 531‑5638
Group practices
Medicare enrollment lists Denny John as a member of these groups (CMS data updated 2026-10-02).
- The Milton S Hershey Medical Center Physicians Group1,623 clinicians in the group
- Advanced Spine and Pain LLC44 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Hammonton
Clinicians with the same Medicare primary specialty in Hammonton, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1568422848 |
| 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