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Internal Medicine

Nicole Littenberg, MD

Sees patients in Honolulu, HI · Hawaii

Summary

Nicole Littenberg, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Honolulu, HI. NPI 1972602456. 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 Nicole Littenberg, 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
26Years since medical school (graduated 2000)
Georgetown University School Of MedicineMedical school
FemaleGender (as listed)
Kokua Kalihi Valley Comprehensive Family ServicesGroup practice

Quick answers

Where does Nicole Littenberg see patients?
Medicare's clinician data lists 1 practice location in Honolulu, HI. Call before your visit to confirm the address.
What is Nicole Littenberg's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Nicole Littenberg accept Medicare assignment?
Yes. Medicare's clinician data says Nicole Littenberg 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 Nicole Littenberg?
(808) 791-9400, as listed in official Medicare / NPI Registry data.
What is Nicole Littenberg's NPI number?
1972602456. 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 Nicole Littenberg is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nicole Littenberg as a member of this group (CMS data updated 2026-10-02).

  • Kokua Kalihi Valley Comprehensive Family Services23 clinicians in the group

Specialties

Find other Internal Medicine doctors in Hawaii →

Other internal medicine doctors in Honolulu

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

All internal medicine doctors in Honolulu →

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972602456
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