Quick answers
- Does Lianne K. Koo accept Medicare assignment?
- Yes. Medicare's clinician data says Lianne K. Koo 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 Lianne K. Koo see?
- In 2024, CMS data shows 90 Original Medicare patients and 5,652 services for Lianne K. Koo. This counts Original Medicare only and measures volume, not quality.
- What is Lianne K. Koo's NPI number?
- 1063799898. 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 Lianne K. Koo, 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 | 90 |
|---|---|
| Services billed to Medicare | 5,652 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Therapy procedure using manual technique, each 15 minutes (97140)1,985 services
- Therapy procedure using functional activities (97530)1,481 services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)920 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)445 services
- Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)444 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%
- Arthritis72%
- High blood pressure69%
- Ischemic heart disease27%
- Anxiety24%
- Diabetes22%
Practice locations
Addresses where Lianne K. Koo 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 Lianne K. Koo 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
| Graduation year | 2011 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063799898 |
| 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