William Haefner, MSW, LCSW
NPI 1366406209 · Clinical Social Worker · Hampton, VA
William Haefner, MSW, LCSW is a Clinical Social Worker provider in Hampton, VA (NPI 1366406209).
Provider details
- NPI number
- 1366406209
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 0904003504 (VA)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-04-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Haefner's NPI number?
- William Haefner's National Provider Identifier (NPI) is 1366406209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Haefner's specialty?
- William Haefner is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Haefner located?
- William Haefner's practice location on file with NPPES is 100 Emancipation Dr, Hampton, VA 23667-0001.
- What is William Haefner's phone number?
- The practice phone number listed in the NPPES registry for William Haefner is (757) 722-9961.
- Is William Haefner's NPI active?
- Yes — William Haefner's NPI (1366406209) 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.