Quick answers
- Which hospitals does William D. Loretan work at?
- Medicare's official clinician data lists William D. Loretan at 4 hospitals: Lancaster General Hospital, WellSpan Ephrata Community Hospital, WellSpan Good Samaritan Hospital and WellSpan York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William D. Loretan see patients?
- Medicare's clinician data lists 3 practice locations, including Cranberry Twp, PA, New Holland, PA and Ephrata, PA. Call before your visit to confirm the address.
- What is William D. Loretan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does William D. Loretan accept Medicare assignment?
- Yes. Medicare's clinician data says William D. Loretan 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 William D. Loretan offer telehealth?
- Medicare's clinician data says William D. Loretan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William D. Loretan?
- (717) 733-6546, as listed in official Medicare / NPI Registry data.
- What is William D. Loretan's NPI number?
- 1245244565. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William D. Loretan works
Medicare's Facility Affiliation Data lists William D. Loretan 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
- WellSpan Ephrata Community HospitalEphrata, PA · Acute Care Hospital · CCN 390225
- WellSpan Good Samaritan HospitalLebanon, PA · Acute Care Hospital · CCN 390066
- WellSpan York HospitalYork, PA · Acute Care Hospital · CCN 390046
Practice locations
Addresses where William D. Loretan is enrolled with Medicare (CMS data updated 2026-10-02).
- 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
- 435 S Kinzer Ave, Suite 10New Holland, PA 17557 (717) 733‑6546
- 446 N Reading Rd, Suite 301Ephrata, PA 17522 (717) 733‑6456
Group practices
Medicare enrollment lists William D. Loretan as a member of these groups (CMS data updated 2026-10-02).
- Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
- WellSpan Medical Group2,480 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Cranberry Twp
Clinicians with the same Medicare primary specialty in Cranberry Twp, PA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245244565 |
| 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