Tiagan Dahl, LCSW
NPI 1801312491 · Clinical Social Worker · Milwaukee, WI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiagan Dahl, LCSW is a Clinical Social Worker provider in Milwaukee, WI (NPI 1801312491).
Provider details
- NPI number
- 1801312491
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Social Worker104100000X
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
8 yrs in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2017-08-16
- Last updated
- 2023-08-03
- Certified
- 2023-08-03
Frequently asked questions
- What is Tiagan Dahl's NPI number?
- Tiagan Dahl's National Provider Identifier (NPI) is 1801312491, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiagan Dahl's specialty?
- Tiagan Dahl is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Tiagan Dahl located?
- Tiagan Dahl's practice location on file with NPPES is 9000 W Wisconsin Ave, Milwaukee, WI 53226-4874.
- What is Tiagan Dahl's phone number?
- The practice phone number listed in the NPPES registry for Tiagan Dahl is (414) 337-3400.
- Does Tiagan Dahl accept Medicare?
- Tiagan Dahl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiagan Dahl's NPI active?
- Yes — Tiagan Dahl's NPI (1801312491) is active in the NPPES registry as of the last update on 2023-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.