Quick answers
- Where does Cassandra Walker see patients?
- Medicare's clinician data lists 4 practice locations, including Frederick, MD and Gaithersburg, MD. Call before your visit to confirm the address.
- What is Cassandra Walker's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Cassandra Walker accept Medicare assignment?
- Yes. Medicare's clinician data says Cassandra Walker 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 Cassandra Walker offer telehealth?
- Medicare's clinician data says Cassandra Walker offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Cassandra Walker?
- (301) 591-8261, as listed in official Medicare / NPI Registry data.
- What is Cassandra Walker's NPI number?
- 1366046682. 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 Cassandra Walker is enrolled with Medicare (CMS data updated 2026-10-02).
- 187 Thomas Johnson DrFrederick, MD 21702
- 187 Thomas Johnson Dr, Suite 6Frederick, MD 21702
- 800 S Frederick Ave, Suite 204Gaithersburg, MD 20877 (301) 591‑8261
- 97 Thomas Johnson Dr, Suite 200Frederick, MD 21702 (240) 547‑6464
Group practices
Medicare enrollment lists Cassandra Walker as a member of these groups (CMS data updated 2026-10-02).
- Amber Hill Physical Therapy Inc334 clinicians in the group
- Elite Spine and Pain LLC6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Frederick
Clinicians with the same Medicare primary specialty in Frederick, MD — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1366046682 |
| 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