Quick answers
- Where does Sonja Kassuba see patients?
- Medicare's clinician data lists 1 practice location in Pleasant Hill, CA. Call before your visit to confirm the address.
- What is Sonja Kassuba's specialty?
- Medicare lists Hospice/Palliative Care as the primary specialty, and also Internal Medicine.
- Does Sonja Kassuba accept Medicare assignment?
- Yes. Medicare's clinician data says Sonja Kassuba 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 Sonja Kassuba offer telehealth?
- Medicare's clinician data says Sonja Kassuba offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sonja Kassuba?
- (925) 887-5678, as listed in official Medicare / NPI Registry data.
- What is Sonja Kassuba's NPI number?
- 1801844881. 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 Sonja Kassuba is enrolled with Medicare (CMS data updated 2026-10-02).
- 3470 Buskirk AvePleasant Hill, CA 94523 (925) 887‑5678
Group practices
Medicare enrollment lists Sonja Kassuba as a member of this group (CMS data updated 2026-10-02).
- East Bay Integrated Care Inc4 clinicians in the group
Specialties
- Hospice/Palliative Careprimary
- Internal Medicinealso
Other palliative care doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1801844881 |
| 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