Quick answers
- Does Joey Y. Kohatsu accept Medicare assignment?
- Yes. Medicare's clinician data says Joey Y. Kohatsu 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 Joey Y. Kohatsu see?
- In 2024, CMS data shows 253 Original Medicare patients and 1,350 services for Joey Y. Kohatsu. This counts Original Medicare only and measures volume, not quality.
- What is Joey Y. Kohatsu's NPI number?
- 1538365127. 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 Joey Y. Kohatsu, 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 | 253 |
|---|---|
| Services billed to Medicare | 1,350 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 81 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)532 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)318 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)184 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)126 services
- Advance care planning, first 30 minutes (99497)25 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 pressure74%
- Chronic kidney disease40%
- Osteoporosis33%
- Arthritis30%
- Diabetes28%
Hospitals where Joey Y. Kohatsu works
Medicare's Facility Affiliation Data lists Joey Y. Kohatsu 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.
- Kapiolani Medical Center for Women & ChildrenHonolulu, HI · Children's Hospital · Emergency services: listed by Medicare · CCN 123300
- Kuakini Medical CenterHonolulu, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120007
- Pali Momi Medical CenterAiea, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120026
- Straub Clinic and HospitalHonolulu, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120022
- The Queens Medical CenterHonolulu, HI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 120001
Practice locations
Addresses where Joey Y. Kohatsu is enrolled with Medicare (CMS data updated October 2, 2026).
- 1329 Lusitana St, Suite 303Honolulu, HI 96813 (808) 807‑0311
- 15 Craigside PlHonolulu, HI 96817 (808) 807‑0311
Specialties
- Internal Medicineprimary
- Geriatric Medicinealso
Other internal medicine doctors in Honolulu
Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Hawaii John A. Burns School Of Medicine |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1538365127 |
| 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