Dennis Dietzen
NPI 1598475592 · Clinical Laboratory Director (Non-physician) · Glen Carbon, IL
Dennis Dietzen is a Clinical Laboratory Director (Non-physician) provider in Glen Carbon, IL (NPI 1598475592).
Provider details
- NPI number
- 1598475592
- Entity type
- Individual
- Primary specialty
- Clinical Laboratory Director (Non-physician)Technologists, Technicians & Other Technical Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Technologists, Technicians & Other Technical Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2022-11-30
- Last updated
- 2022-11-30
- Certified
- 2022-11-30
Frequently asked questions
- What is Dennis Dietzen's NPI number?
- Dennis Dietzen's National Provider Identifier (NPI) is 1598475592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Dietzen's specialty?
- Dennis Dietzen is listed in the NPPES registry with a primary specialty of Clinical Laboratory Director (Non-physician) (Technologists, Technicians & Other Technical Service Providers).
- Where is Dennis Dietzen located?
- Dennis Dietzen's practice location on file with NPPES is 203 Sierra PT, Glen Carbon, IL 62034-1346.
- What is Dennis Dietzen's phone number?
- The practice phone number listed in the NPPES registry for Dennis Dietzen is (618) 971-8827.
- Is Dennis Dietzen's NPI active?
- Yes — Dennis Dietzen's NPI (1598475592) is active in the NPPES registry as of the last update on 2022-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.