IndividualActive
William Harrison, MSW
NPI 1568426799 · Clinical Social Worker · Portland, ME
William Harrison, MSW is a Clinical Social Worker provider in Portland, ME (NPI 1568426799).
Provider details
- NPI number
- 1568426799
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LC414 (ME)
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
20 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
205 Ocean Ave
Portland, ME 04103-5742
Phone: (207) 773-7993
Fax: (207) 773-5512
Street-level locationGet directions
Mailing address
205 Ocean Ave
Portland, ME 04103-5742
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2012-11-30
Frequently asked questions
- What is William Harrison's NPI number?
- William Harrison's National Provider Identifier (NPI) is 1568426799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Harrison's specialty?
- William Harrison is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Harrison located?
- William Harrison's practice location on file with NPPES is 205 Ocean Ave, Portland, ME 04103-5742.
- What is William Harrison's phone number?
- The practice phone number listed in the NPPES registry for William Harrison is (207) 773-7993.
- Is William Harrison's NPI active?
- Yes — William Harrison's NPI (1568426799) is active in the NPPES registry as of the last update on 2012-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.