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Internal Medicine

Marcus L. Griffin, MD

Works at hospitals in Wailuku, HI · Hawaii

Summary

Marcus L. Griffin, MD (Internal Medicine) is listed by Medicare at 1 hospital in Wailuku, HI. NPI 1780774174. 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 Marcus L. Griffin, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
35Years since medical school (graduated 1991)
Wright State University Boonshoft School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Marcus L. Griffin work at?
Medicare's official clinician data lists Marcus L. Griffin at 1 hospital: Maui Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marcus L. Griffin see patients?
Medicare's clinician data lists 1 practice location in Kihei, HI. Call before your visit to confirm the address.
What is Marcus L. Griffin's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Marcus L. Griffin accept Medicare assignment?
Yes. Medicare's clinician data says Marcus L. Griffin 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.
Does Marcus L. Griffin offer telehealth?
Medicare's clinician data says Marcus L. Griffin offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Marcus L. Griffin?
(808) 446-7111, as listed in official Medicare / NPI Registry data.
What is Marcus L. Griffin's NPI number?
1780774174. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marcus L. Griffin works

Medicare's Facility Affiliation Data lists Marcus L. Griffin 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 Marcus L. Griffin is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in Hawaii →

Other internal medicine doctors in Hawaii

Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.

All internal medicine doctors in Hawaii →

Clinician information

CredentialMD
Medical schoolWright State University Boonshoft School Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1780774174
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