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Marcus Williams
NPI 1457741654 · Mental Health Counselor · Las Vegas, NV
Marcus Williams is a Mental Health Counselor provider in Las Vegas, NV (NPI 1457741654).
Provider details
- NPI number
- 1457741654
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
83% 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
4045 Spencer St Ste A45
Las Vegas, NV 89119-5245
Phone: (702) 637-9011
Street-level locationGet directions
Mailing address
4045 Spencer St Ste A45
Las Vegas, NV 89119-5245
Registry dates
- Enumerated
- 2015-01-27
- Last updated
- 2015-01-27
Frequently asked questions
- What is Marcus Williams's NPI number?
- Marcus Williams's National Provider Identifier (NPI) is 1457741654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Williams's specialty?
- Marcus Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Marcus Williams located?
- Marcus Williams's practice location on file with NPPES is 4045 Spencer St Ste A45, Las Vegas, NV 89119-5245.
- What is Marcus Williams's phone number?
- The practice phone number listed in the NPPES registry for Marcus Williams is (702) 637-9011.
- Is Marcus Williams's NPI active?
- Yes — Marcus Williams's NPI (1457741654) is active in the NPPES registry as of the last update on 2015-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.