Quick answers
- Does William L. Quibell accept Medicare assignment?
- Yes. Medicare's clinician data says William L. Quibell 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 William L. Quibell see?
- In 2024, CMS data shows 132 Original Medicare patients and 3,935 services for William L. Quibell. This counts Original Medicare only and measures volume, not quality.
- What is William L. Quibell's NPI number?
- 1063742617. 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 William L. Quibell, 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 | 132 |
|---|---|
| Services billed to Medicare | 3,935 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Therapy procedure using functional activities (97530)1,625 services
- Therapy procedure using manual technique, each 15 minutes (97140)935 services
- Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)759 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)277 services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)115 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%
- High blood pressure68%
- Arthritis65%
- Osteoporosis24%
- Diabetes23%
- Ischemic heart disease23%
Practice locations
Addresses where William L. Quibell is enrolled with Medicare (CMS data updated October 2, 2026).
- 325 Main StEl Segundo, CA 90245 (310) 648‑3167
- 327 Main StEl Segundo, CA 90245 (310) 725‑8505
Group practices
Medicare enrollment lists William L. Quibell as a member of these groups (CMS data updated October 2, 2026).
- Davis and Derosa Physical Therapy Inc19 clinicians in the group
- Manhattan Beach Pacific Physical Therapy Inc11 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, California →
Other physical therapists in El Segundo
Clinicians with the same Medicare primary specialty in El Segundo, CA — not a recommendation.
Other clinicians in Davis and Derosa Physical Therapy Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063742617 |
| 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