Doug Derdowski, LMSW
NPI 1851748966 · Clinical Social Worker · Okemos, MI
Doug Derdowski, LMSW is a Clinical Social Worker provider in Okemos, MI (NPI 1851748966).
Provider details
- NPI number
- 1851748966
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6801085558 (MI)
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
10 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
- 2016-05-18
- Last updated
- 2016-05-18
Frequently asked questions
- What is Doug Derdowski's NPI number?
- Doug Derdowski's National Provider Identifier (NPI) is 1851748966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Doug Derdowski's specialty?
- Doug Derdowski is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Doug Derdowski located?
- Doug Derdowski's practice location on file with NPPES is 4123 Okemos Road, Okemos, MI 48864.
- What is Doug Derdowski's phone number?
- The practice phone number listed in the NPPES registry for Doug Derdowski is (517) 525-3405.
- Is Doug Derdowski's NPI active?
- Yes — Doug Derdowski's NPI (1851748966) is active in the NPPES registry as of the last update on 2016-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.