Quick answers
- Which hospitals does Stephen G. Diamantoni work at?
- Medicare's official clinician data lists Stephen G. Diamantoni at 1 hospital: Lancaster General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen G. Diamantoni see patients?
- Medicare's clinician data lists 3 practice locations, including Christiana, PA and Lancaster, PA. Call before your visit to confirm the address.
- What is Stephen G. Diamantoni's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Stephen G. Diamantoni accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen G. Diamantoni 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 Stephen G. Diamantoni offer telehealth?
- Medicare's clinician data says Stephen G. Diamantoni offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Stephen G. Diamantoni?
- (717) 786-1202, as listed in official Medicare / NPI Registry data.
- What is Stephen G. Diamantoni's NPI number?
- 1831240100. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen G. Diamantoni works
Medicare's Facility Affiliation Data lists Stephen G. Diamantoni at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lancaster General HospitalLancaster, PA · Acute Care Hospital · CCN 390100
Practice locations
Addresses where Stephen G. Diamantoni is enrolled with Medicare (CMS data updated 2026-10-02).
- 1135 Georgetown Rd, Unit 100Christiana, PA 17509 (717) 786‑1202
- 2112 Harrisburg Pike, Suite 3Lancaster, PA 17601 (717) 431‑3000
- 734 N Faranklin StLancaster, PA 17602 (717) 295‑2323
Group practices
Medicare enrollment lists Stephen G. Diamantoni as a member of this group (CMS data updated 2026-10-02).
- Stephen G. Diamantoni MD and Associates Family Practice, P.C.5 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1831240100 |
| 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