Quick answers
- Does John Kawaoka accept Medicare assignment?
- Yes. Medicare's clinician data says John Kawaoka 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 John Kawaoka see?
- In 2024, CMS data shows 448 Original Medicare patients and 2,058 services for John Kawaoka. This counts Original Medicare only and measures volume, not quality.
- What is John Kawaoka's NPI number?
- 1689899742. 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 John Kawaoka, 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 | 448 |
|---|---|
| Services billed to Medicare | 2,058 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)610 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)510 services
- Destruction of precancer skin growth, 1 growth (17000)270 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)235 services
- Biopsy of related skin growth, first growth (11102)152 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 pressure73%
- Arthritis50%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)24%
- Ischemic heart disease23%
- Anxiety23%
Hospitals where John Kawaoka works
Medicare's Facility Affiliation Data lists John Kawaoka at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Rhode Island HospitalProvidence, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410007
- The Miriam HospitalProvidence, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410012
Practice locations
Addresses where John Kawaoka is enrolled with Medicare (CMS data updated October 2, 2026).
- 593 Eddy StProvidence, RI 02903 (401) 444‑4000
Group practices
Medicare enrollment lists John Kawaoka as a member of these groups (CMS data updated October 2, 2026).
- Lifespan Physician Group Inc1,173 clinicians in the group
- Brown Dermatology Inc28 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Providence
Clinicians with the same Medicare primary specialty in Providence, RI — not a recommendation.
Other clinicians in Lifespan Physician Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | Warren Alpert Medical School Of Brown University |
|---|---|
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689899742 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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