What is Mark Duke's NPI number?

Mark Duke's National Provider Identifier (NPI) is 1003035429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Duke's specialty?

Mark Duke is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Mark Duke located?

Mark Duke's practice location on file with NPPES is 132 South State, Salt Lake City, UT 84111-1506.

What is Mark Duke's phone number?

The practice phone number listed in the NPPES registry for Mark Duke is (801) 240-3556.

Is Mark Duke's NPI active?

Yes — Mark Duke's NPI (1003035429) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Mark Duke, LCSW

NPI 1003035429 · Clinical Social Worker · Salt Lake City, UT

Mark Duke, LCSW is a Clinical Social Worker provider in Salt Lake City, UT (NPI 1003035429).

Provider details

NPI number: 1003035429
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Male
Sole proprietor: Yes
License: 369885-3501 (UT)

Practice location

132 South State

Suite 200

Salt Lake City, UT 84111-1506

Phone: (801) 240-3556

Street-level locationGet directions

More UT providers

Mailing address

11471 High Mountain Dr

Sandy, UT 84092-5675

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 369885-3501 (UT)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% 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.

Enumerated: 2007-04-24
Last updated: 2007-07-08

Frequently asked questions

What is Mark Duke's NPI number?: Mark Duke's National Provider Identifier (NPI) is 1003035429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mark Duke's specialty?: Mark Duke is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Mark Duke located?: Mark Duke's practice location on file with NPPES is 132 South State, Salt Lake City, UT 84111-1506.
What is Mark Duke's phone number?: The practice phone number listed in the NPPES registry for Mark Duke is (801) 240-3556.
Is Mark Duke's NPI active?: Yes — Mark Duke's NPI (1003035429) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions