DR. ALAN Y. TANAKA O.D.
NPI 1902927718
Optometrist in Pearl City, HI
About Dr. Alan Y. Tanaka O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALAN Y. TANAKA O.D. (NPI 1902927718) is an individual optometrist in Pearl City, Hawaii, licensed in Hawaii (OD629) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Alan Y. Tanaka O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alan Tanaka reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Honolulu, HI 96814
- Reassigned Medicare billing, Hawaii enrollment
- 32 clinicians in this Medicare group
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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96782 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Alan Tanaka's NPI number?
The NPI number for Alan Tanaka is 1902927718. It was assigned to this individual provider in the NPPES registry on April 2, 2007.
Where is Alan Tanaka located?
Alan Tanaka practices at 98-1256 Kaahumanu St Ste E101, Pearl City, HI 96782. The listed phone number is (808) 732-1566.
What is Alan Tanaka's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Alan Tanaka enrolled in Medicare?
Yes. Alan Tanaka is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alan Tanaka's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Tanaka reassigns Medicare benefits to Waikiki Health (Honolulu, 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 Alan Tanaka's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alan Tanaka accept?
Health plans from HMSA and Providence Health Plan list Alan Tanaka 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.
When was this NPI record last updated?
The NPPES record for Alan Tanaka was last updated on July 16, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.