IndividualActive
William Atchison, LMSW, ACSW
NPI 1811904360 · Clinical Social Worker · Flint, MI
William Atchison, LMSW, ACSW is a Clinical Social Worker provider in Flint, MI (NPI 1811904360).
Provider details
- NPI number
- 1811904360
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW, ACSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6801004778 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
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
4414 Lennon Rd
Flint, MI 48507-1029
Phone: (810) 230-7100
Street-level locationGet directions
Mailing address
Po Box 320650
Flint, MI 48532-0012
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Atchison's NPI number?
- William Atchison's National Provider Identifier (NPI) is 1811904360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Atchison's specialty?
- William Atchison is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Atchison located?
- William Atchison's practice location on file with NPPES is 4414 Lennon Rd, Flint, MI 48507-1029.
- What is William Atchison's phone number?
- The practice phone number listed in the NPPES registry for William Atchison is (810) 230-7100.
- Is William Atchison's NPI active?
- Yes — William Atchison's NPI (1811904360) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.