Quick answers
- Which hospitals does Allison M. Barrett work at?
- Medicare's official clinician data lists Allison M. Barrett at 3 hospitals: Milton S Hershey Medical Center, Penn State Health Lancaster Medical Center and Penn State Health St. Joseph. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Allison M. Barrett see patients?
- Medicare's clinician data lists 1 practice location in Lancaster, PA. Call before your visit to confirm the address.
- What is Allison M. Barrett's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Allison M. Barrett accept Medicare assignment?
- Yes. Medicare's clinician data says Allison M. Barrett 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 Allison M. Barrett offer telehealth?
- Medicare's clinician data says Allison M. Barrett offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Allison M. Barrett?
- (717) 715-1001, as listed in official Medicare / NPI Registry data.
- What is Allison M. Barrett's NPI number?
- 1063685873. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Allison M. Barrett works
Medicare's Facility Affiliation Data lists Allison M. Barrett 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 Lancaster Medical CenterLancaster, PA · Acute Care Hospital · CCN 390339
- Penn State Health St. JosephReading, PA · Acute Care Hospital · CCN 390096
Practice locations
Addresses where Allison M. Barrett is enrolled with Medicare (CMS data updated 2026-10-02).
- 2221 Noll Dr, Suite 2000Lancaster, PA 17603 (717) 715‑1001
Group practices
Medicare enrollment lists Allison M. Barrett as a member of this group (CMS data updated 2026-10-02).
- Penn State Health Medical Group LLC734 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Lancaster
Clinicians with the same Medicare primary specialty in Lancaster, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1063685873 |
| 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