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General Surgery

Lisa M. Grininger, MD

Works at hospitals in Honolulu, HI · Hawaii

Summary

Lisa M. Grininger, MD (General Surgery) is listed by Medicare at 1 hospital in Honolulu, HI. NPI 1851446991. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa M. Grininger, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
University Of Hawaii John A. Burns School Of MedicineMedical school
FemaleGender (as listed)
Hawaii Permanente Medical Group IncGroup practice

Quick answers

Which hospitals does Lisa M. Grininger work at?
Medicare's official clinician data lists Lisa M. Grininger at 1 hospital: Kaiser Foundation Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lisa M. Grininger see patients?
Medicare's clinician data lists 1 practice location in Honolulu, HI. Call before your visit to confirm the address.
What is Lisa M. Grininger's specialty?
Medicare lists General Surgery as the primary specialty.
Does Lisa M. Grininger accept Medicare assignment?
Yes. Medicare's clinician data says Lisa M. Grininger 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 Lisa M. Grininger?
(808) 432-0000, as listed in official Medicare / NPI Registry data.
What is Lisa M. Grininger's NPI number?
1851446991. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lisa M. Grininger works

Medicare's Facility Affiliation Data lists Lisa M. Grininger at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Lisa M. Grininger is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lisa M. Grininger as a member of this group (CMS data updated 2026-10-02).

  • Hawaii Permanente Medical Group Inc704 clinicians in the group

Specialties

Find other General Surgery doctors in Hawaii →

Other general surgeons in Honolulu

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

All general surgeons in Honolulu →

Clinician information

CredentialMD
Medical schoolUniversity Of Hawaii John A. Burns School Of Medicine
Graduation year1985
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851446991
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians