Mark Tiller, LCSW
NPI 1437476959 · Clinical Social Worker · Salt Lake City, UT
Mark Tiller, LCSW is a Clinical Social Worker provider in Salt Lake City, UT (NPI 1437476959).
Provider details
- NPI number
- 1437476959
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 137552-3501 (UT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-23
- Last updated
- 2010-04-23
Frequently asked questions
- What is Mark Tiller's NPI number?
- Mark Tiller's National Provider Identifier (NPI) is 1437476959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Tiller's specialty?
- Mark Tiller is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Tiller located?
- Mark Tiller's practice location on file with NPPES is 2887 Melbourne St, Salt Lake City, UT 84106-4071.
- What is Mark Tiller's phone number?
- The practice phone number listed in the NPPES registry for Mark Tiller is (801) 485-2538.
- Is Mark Tiller's NPI active?
- Yes — Mark Tiller's NPI (1437476959) is active in the NPPES registry as of the last update on 2010-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.