Mark Douglas, LLMSW
NPI 1477274587 · Clinical Social Worker · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Douglas, LLMSW is a Clinical Social Worker provider in Grand Rapids, MI (NPI 1477274587).
Provider details
- NPI number
- 1477274587
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LLMSW
- Sex
- Male
- Sole proprietor
- No
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
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
- 2022-09-07
- Last updated
- 2023-05-17
- Certified
- 2023-05-17
Frequently asked questions
- What is Mark Douglas's NPI number?
- Mark Douglas's National Provider Identifier (NPI) is 1477274587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Douglas's specialty?
- Mark Douglas is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Douglas located?
- Mark Douglas's practice location on file with NPPES is 300 68th St Se, Grand Rapids, MI 49548-6927.
- What is Mark Douglas's phone number?
- The practice phone number listed in the NPPES registry for Mark Douglas is (269) 903-7691.
- Does Mark Douglas accept Medicare?
- Mark Douglas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Douglas's NPI active?
- Yes — Mark Douglas's NPI (1477274587) is active in the NPPES registry as of the last update on 2023-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.