Chris Diederich, LCSW
NPI 1821016700 · Clinical Social Worker · Indianapolis, IN
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chris Diederich, LCSW is a Clinical Social Worker provider in Indianapolis, IN (NPI 1821016700).
Provider details
- NPI number
- 1821016700
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 39000598A (IN)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2006-07-18
- Last updated
- 2018-04-12
Frequently asked questions
- What is Chris Diederich's NPI number?
- Chris Diederich's National Provider Identifier (NPI) is 1821016700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chris Diederich's specialty?
- Chris Diederich is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Chris Diederich located?
- Chris Diederich's practice location on file with NPPES is 2040 N Shadeland Ave, Indianapolis, IN 46219-1711.
- What is Chris Diederich's phone number?
- The practice phone number listed in the NPPES registry for Chris Diederich is (317) 355-5009.
- Does Chris Diederich accept Medicare?
- Chris Diederich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chris Diederich's NPI active?
- Yes — Chris Diederich's NPI (1821016700) is active in the NPPES registry as of the last update on 2018-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.