David Derengowski
NPI 1699545004 · Mental Health Counselor · Merrillville, IN
David Derengowski is a Mental Health Counselor provider in Merrillville, IN (NPI 1699545004).
Provider details
- NPI number
- 1699545004
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 88001658A (IN)
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
2 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
- 2024-01-05
- Last updated
- 2024-01-05
- Certified
- 2024-01-05
Frequently asked questions
- What is David Derengowski's NPI number?
- David Derengowski's National Provider Identifier (NPI) is 1699545004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Derengowski's specialty?
- David Derengowski is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is David Derengowski located?
- David Derengowski's practice location on file with NPPES is 8200 Georgia St, Merrillville, IN 46410-6227.
- What is David Derengowski's phone number?
- The practice phone number listed in the NPPES registry for David Derengowski is (219) 791-1400.
- Is David Derengowski's NPI active?
- Yes — David Derengowski's NPI (1699545004) is active in the NPPES registry as of the last update on 2024-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.