William Fien, CSAC
NPI 1659873867 · Addiction (Substance Use Disorder) Counselor · Washington, NC
William Fien, CSAC is a Addiction (Substance Use Disorder) Counselor provider in Washington, NC (NPI 1659873867).
Provider details
- NPI number
- 1659873867
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CSAC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 23915 (NC)
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
8 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
- 2018-03-03
- Last updated
- 2018-03-05
Frequently asked questions
- What is William Fien's NPI number?
- William Fien's National Provider Identifier (NPI) is 1659873867, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fien's specialty?
- William Fien is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is William Fien located?
- William Fien's practice location on file with NPPES is 216 Stewart Pkwy, Washington, NC 27889-4972.
- What is William Fien's phone number?
- The practice phone number listed in the NPPES registry for William Fien is (252) 946-0585.
- Is William Fien's NPI active?
- Yes — William Fien's NPI (1659873867) is active in the NPPES registry as of the last update on 2018-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.