Quick answers
- Where does Christopher W. Griffith see patients?
- Medicare's clinician data lists 1 practice location in Portsmouth, NH. Call before your visit to confirm the address.
- What is Christopher W. Griffith's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Christopher W. Griffith accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher W. Griffith 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 Christopher W. Griffith?
- (603) 418-4118, as listed in official Medicare / NPI Registry data.
- What is Christopher W. Griffith's NPI number?
- 1043493380. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Christopher W. Griffith is enrolled with Medicare (CMS data updated 2026-10-02).
- 58 Washington St, Suite 1Portsmouth, NH 03801 (603) 418‑4118
Specialties
- Clinical Psychologistprimary
Find other clinicians: Clinical Psychologist, New Hampshire →
Other clinical psychologists in Portsmouth
Clinicians with the same Medicare primary specialty in Portsmouth, NH — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043493380 |
| 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
- 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