Quick answers
- Where does Joyce F. Derby see patients?
- Medicare's clinician data lists 1 practice location in Frederick, MD. Call before your visit to confirm the address.
- What is Joyce F. Derby's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Joyce F. Derby accept Medicare assignment?
- Yes. Medicare's clinician data says Joyce F. Derby 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 Joyce F. Derby offer telehealth?
- Medicare's clinician data says Joyce F. Derby offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Joyce F. Derby?
- (301) 580-4532, as listed in official Medicare / NPI Registry data.
- What is Joyce F. Derby's NPI number?
- 1538200399. 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 Joyce F. Derby is enrolled with Medicare (CMS data updated 2026-10-02).
- 2950 Caraway DrFrederick, MD 21704 (301) 580‑4532
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Frederick
Clinicians with the same Medicare primary specialty in Frederick, MD — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1538200399 |
| 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