Quick answers
- Does Victor S. Koo accept Medicare assignment?
- Medicare's clinician data says Victor S. Koo may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Victor S. Koo see?
- In 2024, CMS data shows 207 Original Medicare patients and 6,430 services for Victor S. Koo. This counts Original Medicare only and measures volume, not quality.
- What is Victor S. Koo's NPI number?
- 1912629387. 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 Victor S. 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 | 207 |
|---|---|
| Services billed to Medicare | 6,430 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)2,327 services
- Therapy procedure using functional activities (97530)2,065 services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)920 services
- Therapy procedure using manual technique, each 15 minutes (97140)753 services
- Training for self-care or home management, each 15 minutes (97535)163 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%
- Arthritis66%
- High blood pressure65%
- Osteoporosis32%
- Ischemic heart disease30%
- Depression22%
Practice locations
Addresses where Victor S. Koo is enrolled with Medicare (CMS data updated October 2, 2026).
- 15000 Kensington Park Dr, Suite 110Tustin, CA 92782 (657) 859‑6458
- 26522 La Alameda, Suite 100Mission Viejo, CA 92691 (949) 582‑2555
Group practices
Medicare enrollment lists Victor S. Koo as a member of this group (CMS data updated October 2, 2026).
- Proactive Physical Therapy and Sports Medicine Inc55 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, California →
Other physical therapists in Tustin
Clinicians with the same Medicare primary specialty in Tustin, CA — not a recommendation.
Other clinicians in Proactive Physical Therapy and Sports Medicine Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1912629387 |
| 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