Quick answers
- Which hospitals does Christina J. Shaffer work at?
- Medicare's official clinician data lists Christina J. Shaffer at 1 hospital: St Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christina J. Shaffer see patients?
- Medicare's clinician data lists 3 practice locations, including Nashua, NH. Call before your visit to confirm the address.
- What is Christina J. Shaffer's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Christina J. Shaffer accept Medicare assignment?
- Yes. Medicare's clinician data says Christina J. Shaffer 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 Christina J. Shaffer?
- (603) 883-7970, as listed in official Medicare / NPI Registry data.
- What is Christina J. Shaffer's NPI number?
- 1598281305. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christina J. Shaffer works
Medicare's Facility Affiliation Data lists Christina J. Shaffer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Joseph HospitalNashua, NH · Acute Care Hospital · CCN 300011
Practice locations
Addresses where Christina J. Shaffer is enrolled with Medicare (CMS data updated 2026-10-02).
- 166 Kinsley StNashua, NH 03060
- 172 Kinsley StNashua, NH 03060
- 460 Amherst StNashua, NH 03063 (603) 883‑7970
Group practices
Medicare enrollment lists Christina J. Shaffer as a member of this group (CMS data updated 2026-10-02).
- St. Joseph Hospital of Nashua NH273 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Nashua
Clinicians with the same Medicare primary specialty in Nashua, NH — not a recommendation.
Clinician information
| Graduation year | 2017 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598281305 |
| 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