Ralph Williams
NPI 1922633593 · Professional Counselor · Upper Marlboro, MD
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Williams is a Professional Counselor provider in Upper Marlboro, MD (NPI 1922633593).
Provider details
- NPI number
- 1922633593
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- LC16641 (MD)
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
6 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
- 2020-03-04
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Ralph Williams's NPI number?
- Ralph Williams's National Provider Identifier (NPI) is 1922633593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Williams's specialty?
- Ralph Williams is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Ralph Williams located?
- Ralph Williams's practice location on file with NPPES is 342 Harry S Truman Dr, Upper Marlboro, MD 20774-2018.
- What is Ralph Williams's phone number?
- The practice phone number listed in the NPPES registry for Ralph Williams is (202) 607-8769.
- Does Ralph Williams accept Medicare?
- Ralph Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Williams's NPI active?
- Yes — Ralph Williams's NPI (1922633593) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.