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Optometry

Calvin Alonzo, OD

Sees patients in Honolulu, HI · Waipahu, HI · Hawaii

Summary

Calvin Alonzo, OD (Optometry) is enrolled with Medicare at 2 practice locations in Honolulu, HI and Waipahu, HI. NPI 1033291968. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Calvin Alonzo, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OptometryPrimary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
Pacific University - College Of OptometryMedical school
MaleGender (as listed)

Quick answers

Where does Calvin Alonzo see patients?
Medicare's clinician data lists 2 practice locations, including Honolulu, HI and Waipahu, HI. Call before your visit to confirm the address.
What is Calvin Alonzo's specialty?
Medicare lists Optometry as the primary specialty.
Does Calvin Alonzo accept Medicare assignment?
Yes. Medicare's clinician data says Calvin Alonzo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Calvin Alonzo?
(808) 847-7222, as listed in official Medicare / NPI Registry data.
What is Calvin Alonzo's NPI number?
1033291968. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Calvin Alonzo is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Optometry, Hawaii →

Other optometrists in Honolulu

Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.

All optometrists in Honolulu →

Clinician information

CredentialOD
Medical schoolPacific University - College Of Optometry
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1033291968
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians