NPPES file of Aug 9, 2026

Leif Alexander Marz, APRN

Family Nurse Practitioner · Honolulu, HI

Leif Alexander Marz, APRN is a family nurse practitioner with a practice address in Honolulu, Hawaii, and NPI 1659982726, issued on Aug 12, 2020. Check the license (Hawaii APRN-2997, as entered in NPPES) with the Hawaii board that licenses this profession; 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
1659982726
Name
Leif Alexander Marz
Credential
APRN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
APRN-2997 HI
Self-reported in NPPES; status is on the state search
Practice location
277 Ohua Ave, Honolulu, HI 96815
Phone
(808) 922-4787
Enumerated
Aug 12, 2020
Record last updated
Aug 12, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200922002983); accepts Medicare assignment
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 277 Ohua Ave

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

  1. Jessica Ackerman, FNPNurse Practitioner1003147687
  2. Maile Alcos, APRNFamily Nurse Practitioner1225418759
  3. Yoon Jung Chang, DNP, FNP-BC, APRN-RXFamily Nurse Practitioner1730877408
  4. Jinny Ching, FNP-BCNurse Practitioner1922619709
  5. Joycelyn ChunPhysician Assistant1760037089
  6. Brettany-Anne ClemensFamily Nurse Practitioner1780464925

Verify Leif Alexander Marz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Hawaii board licenses this profession
    Search for license APRN-2997
    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
Find 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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30% more Medicare Part D claims than the average family nurse practitioner in 2024

1,702 Medicare Part D claims for 92 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 52 claims were for opioids.

  1. Leif Marz1,702
  2. Specialty average1,305

Most prescribed

  1. Losartan Potassium112 claims
  2. Atorvastatin Calcium90 claims
  3. Amlodipine Besylate63 claims
  4. Metoprolol Succinate59 claims
  5. Omeprazole49 claims
  6. Trazodone Hcl49 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.

Industry payments in 2024: $2,930.97

127 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leif Marz$2,930.97
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Waikiki HealthHonolulu, HI

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

Leif Alexander Marz among 780 family nurse practitioner records in Hawaii

Leif Alexander Marz, APRN is one of 780 family nurse practitioner records with a practice address in Hawaii. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 60% of them.

  • NPI issued2020 · 60% of these records are older, 33% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2020 · median 2018 among the 371 with a school on file
  • Record last updated2020 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

311 family nurse practitioner records list a practice address in Honolulu

They are 311 of the 12,408 NPPES records with a practice address in Honolulu, and 780 family nurse practitioner records in Hawaii.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Alexander Acevedo, MSN, FNP-CHonolulu, HI 968151952029092
  2. Maile Alcos, APRNHonolulu, HI 968151225418759
  3. Natalie Anderson, NP-CHonolulu, HI 968151205175064
  4. Allyson Bender, ARNHonolulu, HI 968151588903397
  5. Yoon Jung Chang, DNP, FNP-BC, APRN-RXHonolulu, HI 968151730877408
  6. Hidemi Dela Cruz, FNP-BCHonolulu, HI 968151184281677
  7. Hobie Feagai, APRNHonolulu, HI 968151457336968
  8. David Hernandez, DNP, APRN, FNP-BCHonolulu, HI 968151639160997

Common questions

What is Leif Alexander Marz, APRN's NPI number?

Leif Alexander Marz, APRN's National Provider Identifier (NPI) is 1659982726, issued on Aug 12, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Leif Alexander Marz, APRN located?

The NPPES record lists a practice address at 277 Ohua Ave, Honolulu, HI, 96815. Phone: (808) 922-4787. Providers update this record themselves, so call before visiting.

How can I verify Leif Alexander Marz, APRN's license?

NPPES lists Hawaii license number APRN-2997, as entered by the provider. Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.

How much does Leif Alexander Marz, APRN prescribe under Medicare Part D?

In 2024, Leif Alexander Marz, APRN had 1,702 Medicare Part D claims for 92 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.