Quick answers
- Does Toni M. Onkka accept Medicare assignment?
- Yes. Medicare's clinician data says Toni M. Onkka 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 Toni M. Onkka see?
- In 2024, CMS data shows 11 Original Medicare patients and 117 services for Toni M. Onkka. This counts Original Medicare only and measures volume, not quality.
- What is Toni M. Onkka's NPI number?
- 1588733802. 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 Toni M. Onkka, 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 | 11 |
|---|---|
| Services billed to Medicare | 117 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Practice locations
Addresses where Toni M. Onkka is enrolled with Medicare (CMS data updated October 2, 2026).
- 1702 E Bullard AveFresno, CA 93710 (559) 999‑1171
- 4633 Old Ironsides Dr, Suite 304Santa Clara, CA 95054 (866) 280‑0260
- 5201 Great America Pkwy, Suite 320Santa Clara, CA 95054 (323) 968‑6182
Group practices
Medicare enrollment lists Toni M. Onkka as a member of this group (CMS data updated October 2, 2026).
- Sud Specialty Group - Ca568 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Fresno
Clinicians with the same Medicare primary specialty in Fresno, CA — not a recommendation.
Other clinicians in Sud Specialty Group - Ca
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1588733802 |
| 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