Quick answers
- Does Ruth Vinna R. Lamsen accept Medicare assignment?
- Yes. Medicare's clinician data says Ruth Vinna R. Lamsen 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 Ruth Vinna R. Lamsen see?
- In 2024, CMS data shows 87 Original Medicare patients and 3,392 services for Ruth Vinna R. Lamsen. This counts Original Medicare only and measures volume, not quality.
- What is Ruth Vinna R. Lamsen's NPI number?
- 1154565828. 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 Ruth Vinna R. Lamsen, 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 | 87 |
|---|---|
| Services billed to Medicare | 3,392 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Therapy procedure using functional activities (97530)1,365 services
- Application of hot wax bath (97018)803 services
- Application of ultrasound, each 15 minutes (97035)656 services
- Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care (G0283)292 services
- Application of low energy heat (97026)128 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 cholesterol75%
- Arthritis75%
- High blood pressure68%
- Diabetes34%
- Ischemic heart disease25%
- Chronic kidney disease24%
Practice locations
Addresses where Ruth Vinna R. Lamsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1630 E Herndon AveFresno, CA 93720 (559) 290‑7051
Group practices
Medicare enrollment lists Ruth Vinna R. Lamsen as a member of this group (CMS data updated October 2, 2026).
- Community Foundation Medical Group283 clinicians in the group
Specialties
Find other clinicians: Occupational Therapist in Private Practice, California →
Other occupational therapists in Fresno
Clinicians with the same Medicare primary specialty in Fresno, CA — not a recommendation.
Other clinicians in Community Foundation Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OT |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154565828 |
| 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