Quick answers
- Which hospitals does Lisa Oliva work at?
- Medicare's official clinician data lists Lisa Oliva at 4 hospitals: Mount Nittany Medical Center, Penn Highlands Mon Valley, St Clair Hospital and The Washington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lisa Oliva see patients?
- Medicare's clinician data lists 3 practice locations, including State College, PA, Upper St Clair, PA and Pittsburgh, PA. Call before your visit to confirm the address.
- What is Lisa Oliva's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Osteopathic Manipulative Medicine.
- Does Lisa Oliva accept Medicare assignment?
- Yes. Medicare's clinician data says Lisa Oliva 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.
- What is the phone number for Lisa Oliva?
- (844) 278-4600, as listed in official Medicare / NPI Registry data.
- What is Lisa Oliva's NPI number?
- 1982709952. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lisa Oliva works
Medicare's Facility Affiliation Data lists Lisa Oliva at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Nittany Medical CenterState College, PA · Acute Care Hospital · CCN 390268
- Penn Highlands Mon ValleyMonongahela, PA · Acute Care Hospital · CCN 390147
- St Clair HospitalPittsburgh, PA · Acute Care Hospital · CCN 390228
- The Washington HospitalWashington, PA · Acute Care Hospital · CCN 390042
Practice locations
Addresses where Lisa Oliva is enrolled with Medicare (CMS data updated 2026-10-02).
- 164 Greenview DrState College, PA 16803 (844) 278‑4600
- 2589 Boyce Plaza RdUpper St Clair, PA 15241 (412) 838‑0400
- 2589 Boyce Plaza Rd, Suite 5Pittsburgh, PA 15241 (412) 232‑8104
Group practices
Medicare enrollment lists Lisa Oliva as a member of these groups (CMS data updated 2026-10-02).
- Mount Nittany Medical Center Health Services Inc367 clinicians in the group
- Pittsburgh Gastroenterology Associates26 clinicians in the group
Specialties
Other gastroenterologists in State College
Clinicians with the same Medicare primary specialty in State College, PA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982709952 |
| 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