William Hiebert, STM
NPI 1538247465 · Marriage & Family Therapist · Rock Island, IL
William Hiebert, STM is a Marriage & Family Therapist provider in Rock Island, IL (NPI 1538247465).
Provider details
- NPI number
- 1538247465
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- STM
- Sex
- Male
- Sole proprietor
- No
- License
- 166000328 (IL)
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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2025-12-28
- Certified
- 2025-12-28
Frequently asked questions
- What is William Hiebert's NPI number?
- William Hiebert's National Provider Identifier (NPI) is 1538247465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hiebert's specialty?
- William Hiebert is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Hiebert located?
- William Hiebert's practice location on file with NPPES is 1800 3rd Avenue, Rock Island, IL 61201-8000.
- What is William Hiebert's phone number?
- The practice phone number listed in the NPPES registry for William Hiebert is (309) 786-4491.
- Is William Hiebert's NPI active?
- Yes — William Hiebert's NPI (1538247465) is active in the NPPES registry as of the last update on 2025-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.