What is William Duty's NPI number?

William Duty's National Provider Identifier (NPI) is 1376476036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Duty's specialty?

William Duty is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is William Duty located?

William Duty's practice location on file with NPPES is 5850 E Still Cir, Mesa, AZ 85206-3618.

What is William Duty's phone number?

The practice phone number listed in the NPPES registry for William Duty is (480) 219-6000.

Is William Duty's NPI active?

Yes — William Duty's NPI (1376476036) is active in the NPPES registry as of the last update on 2026-06-04.

IndividualActive

William Duty

NPI 1376476036 · Physician Assistant · Mesa, AZ

William Duty is a Physician Assistant provider in Mesa, AZ (NPI 1376476036).

Provider details

NPI number: 1376476036
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Basic profile(46/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Practice location

5850 E Still Cir

Mesa, AZ 85206-3618

Phone: (480) 219-6000

Street-level locationGet directions

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Mailing address