Quick answers
- Where does Derek A. Fenwick see patients?
- Medicare's clinician data lists 2 practice locations, including Hartford, CT. Call before your visit to confirm the address.
- What is Derek A. Fenwick's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Derek A. Fenwick accept Medicare assignment?
- Yes. Medicare's clinician data says Derek A. Fenwick 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 Derek A. Fenwick?
- (860) 545-7500, as listed in official Medicare / NPI Registry data.
- What is Derek A. Fenwick's NPI number?
- 1831797174. 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 Derek A. Fenwick is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 Retreat AveHartford, CT 06106 (860) 545‑7500
- 200 Retreat Ave, Iol CompusHartford, CT 06106 (860) 545‑7500
Group practices
Medicare enrollment lists Derek A. Fenwick as a member of this group (CMS data updated 2026-10-02).
- Hartford Hospital1,044 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Hartford
Clinicians with the same Medicare primary specialty in Hartford, CT — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831797174 |
| 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