William Winston, LPC
NPI 1558502534 · Addiction (Substance Use Disorder) Counselor · Washington, DC
William Winston, LPC is a Addiction (Substance Use Disorder) Counselor provider in Washington, DC (NPI 1558502534).
Provider details
- NPI number
- 1558502534
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LPC
- Sex
- Male
- Sole proprietor
- No
- License
- PRC306 (DC)
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
17 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
- 2009-03-20
- Last updated
- 2009-03-20
Frequently asked questions
- What is William Winston's NPI number?
- William Winston's National Provider Identifier (NPI) is 1558502534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Winston's specialty?
- William Winston is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is William Winston located?
- William Winston's practice location on file with NPPES is 1701 14th St Nw, Washington, DC 20009-4308.
- What is William Winston's phone number?
- The practice phone number listed in the NPPES registry for William Winston is (202) 797-3500.
- Is William Winston's NPI active?
- Yes — William Winston's NPI (1558502534) is active in the NPPES registry as of the last update on 2009-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.