Quick answers
- Does David T. Kawanishi accept Medicare assignment?
- Yes. Medicare's clinician data says David T. Kawanishi 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 David T. Kawanishi see?
- In 2024, CMS data shows 524 Original Medicare patients and 1,792 services for David T. Kawanishi. This counts Original Medicare only and measures volume, not quality.
- What is David T. Kawanishi's NPI number?
- 1518944057. 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 David T. Kawanishi, 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 | 524 |
|---|---|
| Services billed to Medicare | 1,792 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Ultrasound study of one arm or leg veins with compression and maneuvers (93971)287 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)267 services
- Injection of chemical agent into multiple incompetent veins of leg (36471)192 services
- Ultrasonic guidance for needle placement (76942)192 services
- Ultrasound of both sides of head and neck blood flow (93880)189 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 blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease46%
- Atrial fibrillation29%
- Diabetes28%
Practice locations
Addresses where David T. Kawanishi is enrolled with Medicare (CMS data updated October 2, 2026).
- 1950 Sunny Crest Dr, Suite 2900Fullerton, CA 92835 (714) 992‑5350
- 26800 Crown Valley PkwyMission Viejo, CA 92691
Group practices
Medicare enrollment lists David T. Kawanishi as a member of this group (CMS data updated October 2, 2026).
- Providence Medical Foundation1,466 clinicians in the group
Specialties
Find other Interventional Cardiology doctors in California →
Other interventional cardiologists in Fullerton
Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.
Other clinicians in Providence Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 1976 (50 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518944057 |
| 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