Isiah Siemers
NPI 1730750381 · Clinical Social Worker · Appleton, WI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isiah Siemers is a Clinical Social Worker provider in Appleton, WI (NPI 1730750381).
Provider details
- NPI number
- 1730750381
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 132370-121 (WI)
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
4 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
- 2021-07-06
- Last updated
- 2021-07-06
- Certified
- 2021-07-06
Frequently asked questions
- What is Isiah Siemers's NPI number?
- Isiah Siemers's National Provider Identifier (NPI) is 1730750381, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isiah Siemers's specialty?
- Isiah Siemers is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Isiah Siemers located?
- Isiah Siemers's practice location on file with NPPES is 5471 W Waterford Ln, Appleton, WI 54913-8510.
- What is Isiah Siemers's phone number?
- The practice phone number listed in the NPPES registry for Isiah Siemers is (920) 731-7445.
- Does Isiah Siemers accept Medicare?
- Isiah Siemers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isiah Siemers's NPI active?
- Yes — Isiah Siemers's NPI (1730750381) is active in the NPPES registry as of the last update on 2021-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.