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CALVIN S OISHI M D INC
NPI 1174577647
Orthopaedic Surgery in Aiea, HI

Active since May 20, 2006
98-1247 KAAHUMANU STREET, SUITE 203, AIEA, HI 96701(808) 484-2042(808) 487-8324 Get Directions Write a Review

NPPES record last updated: October 4, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 4, 2023, Sep 25, 2020, Mar 14, 2018 (3 updates tracked since 2018).

About Calvin S Oishi M D Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CALVIN S OISHI M D INC (NPI 1174577647) is a healthcare organization registered as an orthopaedic surgery in Aiea, Hawaii and active in the NPI registry since May 2006. The organization lists Calvin S Oishi, President, as its authorized official.

NPPES Registry Identity

NPI1174577647
Entity TypeOrganization
Primary Taxonomy207X00000X
Legal Business NameCALVIN S OISHI M D INC
Location Address98-1247 KAAHUMANU STREET, SUITE 203Aiea, HI 96701
Mailing Address98-1247 Kaahumanu Street, Suite 203Aiea, HI 96701 · (808) 484-2042 · Fax (808) 487-8324
Phone(808) 484-2042
Fax(808) 487-8324
Organization SubpartNo
Authorized OfficialCalvin S OishiPresident · (808) 484-2042
Enumeration DateMay 20, 2006
Last NPPES UpdateOctober 4, 20233 updates tracked since enumeration
NPPES CertifiedSeptember 20, 2023
✔ NPI 1174577647 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in HI · MD7926
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
98-1247 KAAHUMANU STREET, Aiea, HI 96701
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Calvin S Oishi M D Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Calvin S Oishi M D Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Calvin Oishi, M.D.
Orthopedic Surgery
NPI 1194776880
98-1247 KAAHUMANU STREET SUITE 203
Aiea, HI 96701
(808) 484-2042
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Calvin S Oishi M D Inc's NPI number?

The NPI number for Calvin S Oishi M D Inc is 1174577647. It was assigned to this organization in the NPPES registry on May 20, 2006.

Where is Calvin S Oishi M D Inc located?

Calvin S Oishi M D Inc is located at 98-1247 Kaahumanu Street Suite 203, Aiea, HI 96701. The listed phone number is (808) 484-2042.

What is Calvin S Oishi M D Inc's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Calvin S Oishi M D Inc enrolled in Medicare?

Yes. Calvin S Oishi M D Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Calvin S Oishi M D Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Orthopedic Surgery) reassigns their Medicare billing to Calvin S Oishi M D Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Calvin S Oishi M D Inc was last updated on October 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.