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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. LEONARD WILLIAM DUVALL PHYSICIAN ASSISTANT
NPI 1679550677
Physician Assistant - Medical in Pearl Harbor, HI

Active since December 30, 2005
480 CENTRAL AVE, NAVAL HEALTH CLINIC, PEARL HARBOR, HI 96860(808) 474-0625 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Leonard William Duvall Physician Assistant NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. LEONARD WILLIAM DUVALL PHYSICIAN ASSISTANT (NPI 1679550677) is an individual medical provider in Pearl Harbor, Hawaii, licensed in Hawaii (104) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1679550677
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameMR. LEONARD WILLIAM DUVALLCredential: PHYSICIAN ASSISTANT
Location Address480 CENTRAL AVE, NAVAL HEALTH CLINICPearl Harbor, HI 96860-4908
Mailing Address95-2075 Puukaa StMililani, HI 96789-6510
Phone(808) 474-0625
Sole ProprietorNo
Enumeration DateDecember 30, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1679550677 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in HI · 104
480 CENTRAL AVE, Pearl Harbor, HI 96860
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JOHN KNOREK PH.D.
Psychologist
480 CENTRAL AVE
PEARL HARBOR, HI 96860
Honolulu County (808) 474-4242
MR. DENNIS T SEKINE MS, MPH, CCC-A
Audiologist
480 CENTRAL AVE
PEARL HARBOR, HI 96860
Honolulu County (808) 474-0628
MR. KEVIN THOMAS COHN HM2/P.T. TEHCNICIAN
Technician
480 CENTRAL AVE
PEARL HARBOR, HI 96860
Honolulu County (808) 257-8708
CHRISTOPHER G PELLEJERA O.D.
Optometrist
480 CENTRAL AVE
PEARL HARBOR, HI 96860
Honolulu County (808) 474-4248
MR. DEMETRIUS PRUITT APRN
Nurse Practitioner (Family)
480 CENTRAL AVE
PEARL HARBOR, HI 96860
Honolulu County (808) 477-2600
TAYLOR ANNE STUBBLEFIELD IDC
Military Health Care Provider (Independent Duty Corpsman)
480 CENTRAL AVE
PEARL HARBOR, HI 96860
Honolulu County (951) 442-2444
BENJAMIN CLARKSON JAMES DPT
Physical Therapist
480 CENTRAL AVE
PEARL HARBOR, HI 96860
Honolulu County (808) 474-4242
MR. JUDE COLEMAN PHARMACIST
Pharmacist
480 CENTRAL AVE
PEARL HARBOR, HI 96860
Honolulu County (808) 473-1880

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leonard Duvall's NPI number?

The NPI number for Leonard Duvall is 1679550677. It was assigned to this individual provider in the NPPES registry on December 30, 2005.

Where is Leonard Duvall located?

Leonard Duvall practices at 480 Central Ave Naval Health Clinic, Pearl Harbor, HI 96860. The listed phone number is (808) 474-0625.

What is Leonard Duvall's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for Leonard Duvall was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.