Joseph Martinez-Williams
NPI 1003303447 · Professional Counselor · Washington, DC
Joseph Martinez-Williams is a Professional Counselor provider in Washington, DC (NPI 1003303447).
Provider details
- NPI number
- 1003303447
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PRC14710 (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
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
- 2018-04-20
- Last updated
- 2018-04-20
Frequently asked questions
- What is Joseph Martinez-Williams's NPI number?
- Joseph Martinez-Williams's National Provider Identifier (NPI) is 1003303447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Martinez-Williams's specialty?
- Joseph Martinez-Williams is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Joseph Martinez-Williams located?
- Joseph Martinez-Williams's practice location on file with NPPES is 101 Q St Ne, Washington, DC 20002-2166.
- What is Joseph Martinez-Williams's phone number?
- The practice phone number listed in the NPPES registry for Joseph Martinez-Williams is (202) 674-2256.
- Is Joseph Martinez-Williams's NPI active?
- Yes — Joseph Martinez-Williams's NPI (1003303447) is active in the NPPES registry as of the last update on 2018-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.