NPPES file of Aug 9, 2026

Nicole Littenberg, MD

Internal Medicine Physician · Honolulu, HI

Nicole Littenberg, MD is an internal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1972602456, issued on Sep 21, 2006. Check the license (Hawaii MD-12561, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972602456
Name
Nicole Littenberg
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD-12561 HI
Self-reported in NPPES; status is on the state search
Practice location
2239 N School St, Honolulu, HI 96819
Phone
(808) 791-9400
Enumerated
Sep 21, 2006
Record last updated
May 22, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
570087-19 HI
Medicare enrollment
Enrolled (PECOS I20050811000501); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2239 N School St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Graziela AgustinRegistered Nurse1861066599
  2. Angeli BalbuenaRegistered Nurse1144873423
  3. Bryce Bennett, DDSStudent in an Organized Health Care Education/Training Program1053814335
  4. Stephanie Brandli, DDSPediatric Dentistry1780641720
  5. Kathleen Brennan, APRN-RX, FNPFamily Nurse Practitioner1447450036
  6. Monica Chang, DMDStudent in an Organized Health Care Education/Training Program1881389302

Verify Nicole Littenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-12561
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Hawaii license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

331 Medicare Part D claims for 16 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Nicole Littenberg331
  2. Specialty average3,176

Most prescribed

  1. Losartan Potassium30 claims
  2. Atorvastatin Calcium27 claims
  3. Amlodipine Besylate24 claims
  4. Albuterol Sulfate Hfa18 claims
  5. Hydrochlorothiazide18 claims
  6. Metformin Hcl16 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Kokua Kalihi Valley Comprehensive Family ServicesHonolulu, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nicole Littenberg among 902 internal medicine physician records in Hawaii

Nicole Littenberg, MD is one of 902 internal medicine physician records with a practice address in Hawaii. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 55% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2000 · median 2001 among the 491 with a school on file
  • Record last updated2013 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

579 internal medicine physician records list a practice address in Honolulu

They are 579 of the 12,408 NPPES records with a practice address in Honolulu, and 902 internal medicine physician records in Hawaii.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jochebed Carter, MDHonolulu, HI 968191205826492
  2. Shubhangini Devine, M.D.Honolulu, HI 968191568456796
  3. Jo-Ann Garrigan, MDHonolulu, HI 968191760432074
  4. Randolph Leon Guerrero, M.D.Honolulu, HI 968191184689671
  5. Jhoanna Mabutas, MDHonolulu, HI 968191841281599
  6. Maria Cecilia Mangrobang, M.D.Honolulu, HI 968191265481063
  7. Matthew Matko, M.D.Honolulu, HI 968191033171640
  8. Laura Nagata, M.D.Honolulu, HI 968191972552883

Common questions

What is Nicole Littenberg, MD's NPI number?

Nicole Littenberg, MD's National Provider Identifier (NPI) is 1972602456, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nicole Littenberg, MD located?

The NPPES record lists a practice address at 2239 N School St, Honolulu, HI, 96819. Phone: (808) 791-9400. Providers update this record themselves, so call before visiting.

How can I verify Nicole Littenberg, MD's license?

NPPES lists Hawaii license number MD-12561, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nicole Littenberg, MD prescribe under Medicare Part D?

In 2024, Nicole Littenberg, MD had 331 Medicare Part D claims for 16 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.