Leif Marz, APRN
NPI 1659982726 · Family Nurse Practitioner · Honolulu, HI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leif Marz, APRN is a Family Nurse Practitioner provider in Honolulu, HI (NPI 1659982726).
Provider details
- NPI number
- 1659982726
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Male
- Sole proprietor
- No
- License
- APRN-2997 (HI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 112 | 22 |
| Atorvastatin Calcium | 90 | 28 |
| Amlodipine Besylate | 63 | 17 |
| Metoprolol Succinate | 59 | 12 |
| Omeprazole | 49 | — |
| Trazodone Hcl | 49 | 13 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,931 across 127 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-08-12
- Last updated
- 2020-08-12
- Certified
- 2020-08-12
Frequently asked questions
- What is Leif Marz's NPI number?
- Leif Marz's National Provider Identifier (NPI) is 1659982726, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leif Marz's specialty?
- Leif Marz is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Leif Marz located?
- Leif Marz's practice location on file with NPPES is 277 Ohua Ave, Honolulu, HI 96815-6612.
- What is Leif Marz's phone number?
- The practice phone number listed in the NPPES registry for Leif Marz is (808) 922-4787.
- Does Leif Marz accept Medicare?
- Leif Marz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leif Marz's NPI active?
- Yes — Leif Marz's NPI (1659982726) is active in the NPPES registry as of the last update on 2020-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.