William Monk
NPI 1225846603 · Addiction (Substance Use Disorder) Counselor · Washington, DC
William Monk is a Addiction (Substance Use Disorder) Counselor provider in Washington, DC (NPI 1225846603).
Provider details
- NPI number
- 1225846603
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- CACII200001264 (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
1 yr 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
- 2024-12-18
- Last updated
- 2025-05-07
- Certified
- 2025-05-05
Frequently asked questions
- What is William Monk's NPI number?
- William Monk's National Provider Identifier (NPI) is 1225846603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Monk's specialty?
- William Monk is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is William Monk located?
- William Monk's practice location on file with NPPES is 915 Rhode Island Ave Nw, Washington, DC 20001-4153.
- What is William Monk's phone number?
- The practice phone number listed in the NPPES registry for William Monk is (023) 232-6100.
- Is William Monk's NPI active?
- Yes — William Monk's NPI (1225846603) is active in the NPPES registry as of the last update on 2025-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.