ALLISON SHIGEZAWA MD
NPI 1245385541
Obstetrics & Gynecology in Honolulu, HI
About Allison Shigezawa Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON SHIGEZAWA MD (NPI 1245385541) is an individual obstetrics & gynecology provider in Honolulu, Hawaii, licensed in Hawaii (6511) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of University Of Michigan Medical School (1987).
NPPES Registry Identity
Specialties & Licenses
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
Allison Shigezawa 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 Reassignments
2Medicare enrollment records show Allison Shigezawa reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Honolulu, HI 96813
- Reassigned Medicare billing, Hawaii enrollment
- 859 clinicians in this Medicare group
Honolulu, HI 96813
- Reassigned Medicare billing, Hawaii enrollment
- Medicare enrollment name: The Queens Medical Center
- 809 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 6
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The Queens Medical Center
Acute Care Hospitals · Honolulu, HIStraub Clinic And Hospital
Acute Care Hospitals · Honolulu, HIPali Momi Medical Center
Acute Care Hospitals · Aiea, HIKapiolani Medical Center For Women & Children
Childrens · Honolulu, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96813 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HONOLULU, HI 96813
HONOLULU, HI 96813
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 Allison Shigezawa's NPI number?
The NPI number for Allison Shigezawa is 1245385541. It was assigned to this individual provider in the NPPES registry on January 24, 2007.
Where is Allison Shigezawa located?
Allison Shigezawa practices at 1329 Lusitana St #406, Honolulu, HI 96813. The listed phone number is (808) 536-3690.
What is Allison Shigezawa's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Allison Shigezawa enrolled in Medicare?
Yes. Allison Shigezawa 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 organizations bill Medicare for Allison Shigezawa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Shigezawa reassigns Medicare benefits to 2 organizations: Queens University Medical Group (Honolulu, HI) and The Queen's Medical Center (Honolulu, HI). Each 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 Allison Shigezawa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allison Shigezawa accept?
Health plans from HMSA list Allison Shigezawa 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 Allison Shigezawa affiliated with any hospitals?
According to CMS data, Allison Shigezawa is affiliated with The Queens Medical Center, Straub Clinic And Hospital, Pali Momi Medical Center and Kapiolani Medical Center For Women & Children.
When was this NPI record last updated?
The NPPES record for Allison Shigezawa was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Allison Shigezawa, MD · NPI 1245385541
Obstetrics & Gynecology physician in Honolulu, Hawaii. Individual provider, active in the CMS NPPES registry since January 24, 2007.
## Identity
- **NPI:** 1245385541 (Entity type: Individual)
- **Enumerated:** January 24, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 6511 (Hawaii)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1329 LUSITANA ST, #406, Honolulu, HI 96813-2429
- **Phone:** (808) 536-3690 · **Fax:** (808) 536-1638
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Queens University Medical Group (NPI 1891441382, Honolulu, HI); The Queen's Medical Center (NPI 1487693586, Honolulu, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 1987
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1245385541) · Data from the CMS NPPES public registry.