DR. JAMES KEN OKAMOTO MD
NPI 1073596250
Family Medicine in Waipahu, HI
About Dr. James Ken Okamoto Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES KEN OKAMOTO MD (NPI 1073596250) is an individual family medicine provider in Waipahu, Hawaii, licensed in Hawaii (MD15243) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of University Of Nebraska College Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. James Ken Okamoto Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show James Okamoto reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Waipahu, HI 96797
- Reassigned Medicare billing, Hawaii enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The Queens Medical Center
Acute Care Hospitals · Honolulu, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96797 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WAIPAHU, HI 96797
WAIPAHU, HI 96797
WAIPAHU, HI 96797
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Okamoto's NPI number?
The NPI number for James Okamoto is 1073596250. It was assigned to this individual provider in the NPPES registry on November 22, 2005.
Where is James Okamoto located?
James Okamoto practices at 94-849 Lumiaina St Waikele Professional Ctr, Suite 207, Waipahu, HI 96797. The listed phone number is (808) 677-8222.
What is James Okamoto's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is James Okamoto enrolled in Medicare?
Yes. James Okamoto is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for James Okamoto's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Okamoto reassigns Medicare benefits to Ka Wai Ola Family Medical Clinic, LLC (Waipahu, HI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Okamoto's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Okamoto accept?
Health plans from HMSA list James Okamoto as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is James Okamoto affiliated with any hospitals?
According to CMS data, James Okamoto is affiliated with The Queens Medical Center.
When was this NPI record last updated?
The NPPES record for James Okamoto was last updated on June 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. James Ken Okamoto, MD · NPI 1073596250
Family Medicine physician in Waipahu, Hawaii. Individual provider, active in the CMS NPPES registry since November 22, 2005.
## Identity
- **NPI:** 1073596250 (Entity type: Individual)
- **Enumerated:** November 22, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD15243 (Hawaii)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 94-849 LUMIAINA ST, WAIKELE PROFESSIONAL CTR, SUITE 207, Waipahu, HI 96797-5025
- **Phone:** (808) 677-8222 · **Fax:** (808) 677-8333
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Ka Wai Ola Family Medical Clinic, LLC (NPI 1023257524, Waipahu, HI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Nebraska College Of Medicine, class of 1992
## Record status
- **NPPES last updated:** June 10, 2024
- **Other identifiers:** Medicaid 8181885 (WA); Other 080088748 (WA); Other 104484 (WA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1073596250) · Data from the CMS NPPES public registry.