Quick answers
- Does Karen Stewart accept Medicare assignment?
- Yes. Medicare's clinician data says Karen Stewart accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Karen Stewart see?
- In 2024, CMS data shows 36 Original Medicare patients and 200 services for Karen Stewart. This counts Original Medicare only and measures volume, not quality.
- What is Karen Stewart's NPI number?
- 1609159821. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Karen Stewart, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 36 |
|---|---|
| Services billed to Medicare | 200 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 63 |
Most frequent services
- Administration of psychological or neuropsychological test, each additional 30 minutes (96137)96 services
- Psychiatric diagnostic evaluation (90791)33 services
- Evaluation of psychological test, first hour (96130)32 services
- Administration of psychological or neuropsychological test, first 30 minutes (96136)32 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis75%
- Diabetes61%
- Depression56%
- Anxiety47%
Practice locations
Addresses where Karen Stewart is enrolled with Medicare (CMS data updated October 2, 2026).
- 1545 Crossways Blvd, Suite 250Chesapeake, VA 23320 (757) 206‑2772
Group practices
Medicare enrollment lists Karen Stewart as a member of this group (CMS data updated October 2, 2026).
- Assessment and Therapy Associates21 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Chesapeake
Clinicians with the same Medicare primary specialty in Chesapeake, VA — not a recommendation.
Other clinicians in Assessment and Therapy Associates
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2010 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1609159821 |
| 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 October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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