NPPES file of Aug 9, 2026

Aki Watanabe De Leon, NP-C

Family Nurse Practitioner · Ewa Beach, HI

Aki Watanabe De Leon, NP-C is a family nurse practitioner with a practice address in Ewa Beach, Hawaii, and NPI 1720581721, issued on Mar 15, 2018. Check the license (Hawaii APRN-2409, 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
1720581721
Name
Aki Watanabe De Leon
Credential
NP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
APRN-2409 HI
Self-reported in NPPES; status is on the state search
Practice location
91-2139 Fort Weaver RD Ste 100, Ewa Beach, HI 96706
Phone
(808) 676-4224
Enumerated
Mar 15, 2018
Record last updated
Mar 15, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180420002271); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest family nurse practitioner records → All 780 in Hawaii → Look up another NPI →

Also registered at 91-2139 Fort Weaver RD Ste 100

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

  1. Julie Ireland, MDClinical Genetics (M.D.) Physician1285729640
  2. Briana Mullen, MSN, NP-CFamily Nurse Practitioner1669775797

Verify Aki Watanabe De Leon 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-2409    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

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2.1 times the Medicare Part D claims of the average family nurse practitioner in 2024

2,784 Medicare Part D claims for 547 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Aki De Leon2,784
  2. Specialty average1,305

Most prescribed

  1. Losartan Potassium271 claims
  2. Amlodipine Besylate266 claims
  3. Calcitriol195 claims
  4. Sevelamer Carbonate169 claims
  5. Furosemide161 claims
  6. Calcium Acetate105 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: $148.12

2 payments; by number, the most common kind was food and beverage; the largest payer was Baxter Healthcare. 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. Aki De Leon$148.12
  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 2 group practices

  1. James HE Ireland MD LLCEwa Beach, HI
  2. Waianae District Comprehensive Health And Hospital Board IncWaianae, HI

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

Aki Watanabe De Leon among 780 family nurse practitioner records in Hawaii

Aki Watanabe De Leon, NP-C 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 2018, is newer than 50% of them.

  • NPI issued2018 · 50% of these records are older, 45% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2017 · median 2018 among the 371 with a school on file
  • Record last updated2018 · 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).

24 family nurse practitioner records list a practice address in Ewa Beach

They are 24 of the 749 NPPES records with a practice address in Ewa Beach, and 780 family nurse practitioner records in Hawaii.

All 780 in Hawaii → Every provider in Ewa Beach → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Beth Allison, NPEwa Beach, HI 967061992840979
  2. Raquiel Andersen, DNP, FNP-C, PMHNP-CEwa Beach, HI 967061942811997
  3. Alexandra Arce-Pickrell, ARNPEwa Beach, HI 967061881862894
  4. Jacqueline Chacon, ANPEwa Beach, HI 967061023376779
  5. Amy Condon, FNPEwa Beach, HI 967061952723843
  6. Kathryn Gayhart, NPEwa Beach, HI 967061588289250
  7. Louise GreencornEwa Beach, HI 967061033688957
  8. Nicole Lewis, FNPEwa Beach, HI 967061427485242

Common questions

What is Aki Watanabe De Leon, NP-C's NPI number?

Aki Watanabe De Leon, NP-C's National Provider Identifier (NPI) is 1720581721, issued on Mar 15, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Aki Watanabe De Leon, NP-C located?

The NPPES record lists a practice address at 91-2139 Fort Weaver RD Ste 100, Ewa Beach, HI, 96706. Phone: (808) 676-4224. Providers update this record themselves, so call before visiting.

How can I verify Aki Watanabe De Leon, NP-C's license?

NPPES lists Hawaii license number APRN-2409, as entered by the provider. Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.

How much does Aki Watanabe De Leon, NP-C prescribe under Medicare Part D?

In 2024, Aki Watanabe De Leon, NP-C had 2,784 Medicare Part D claims for 547 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.