Quick answers
- Which hospitals does Pratheesh Viswanathan work at?
- Medicare's official clinician data lists Pratheesh Viswanathan at 5 hospitals: Milton S Hershey Medical Center, Penn State Health Hampden Medical Center, Penn State Health Holy Spirit Medical Center, UPMC Carlisle and UPMC Pinnacle Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Pratheesh Viswanathan see patients?
- Medicare's clinician data lists 1 practice location in Lemoyne, PA. Call before your visit to confirm the address.
- What is Pratheesh Viswanathan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Pratheesh Viswanathan accept Medicare assignment?
- Yes. Medicare's clinician data says Pratheesh Viswanathan 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 Pratheesh Viswanathan offer telehealth?
- Medicare's clinician data says Pratheesh Viswanathan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Pratheesh Viswanathan?
- (717) 774-1366, as listed in official Medicare / NPI Registry data.
- What is Pratheesh Viswanathan's NPI number?
- 1588655989. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Pratheesh Viswanathan works
Medicare's Facility Affiliation Data lists Pratheesh Viswanathan 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 Hampden Medical CenterEnola, PA · Acute Care Hospital · CCN 390336
- Penn State Health Holy Spirit Medical CenterCamp Hill, PA · Acute Care Hospital · CCN 390004
- UPMC CarlisleCarlisle, PA · Acute Care Hospital · CCN 390058
- UPMC Pinnacle HospitalsHarrisburg, PA · Acute Care Hospital · CCN 390067
Practice locations
Addresses where Pratheesh Viswanathan is enrolled with Medicare (CMS data updated 2026-10-02).
- 108 Lowther StLemoyne, PA 17043 (717) 774‑1366
Group practices
Medicare enrollment lists Pratheesh Viswanathan as a member of this group (CMS data updated 2026-10-02).
- Internists of Central Pennsylvania Ltd.17 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Lemoyne
Clinicians with the same Medicare primary specialty in Lemoyne, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1588655989 |
| 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