Guy Williams, LLPC, CADC
NPI 1689925646 · Mental Health Counselor · Rochester Hills, MI
Guy Williams, LLPC, CADC is a Mental Health Counselor provider in Rochester Hills, MI (NPI 1689925646).
Provider details
- NPI number
- 1689925646
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LLPC, CADC
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
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
13 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
Mailing address
Registry dates
- Enumerated
- 2012-09-30
- Last updated
- 2015-01-23
Frequently asked questions
- What is Guy Williams's NPI number?
- Guy Williams's National Provider Identifier (NPI) is 1689925646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Williams's specialty?
- Guy Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Guy Williams located?
- Guy Williams's practice location on file with NPPES is 455 S Livernois Rd, Rochester Hills, MI 48307-2578.
- What is Guy Williams's phone number?
- The practice phone number listed in the NPPES registry for Guy Williams is (248) 652-4799.
- Is Guy Williams's NPI active?
- Yes — Guy Williams's NPI (1689925646) is active in the NPPES registry as of the last update on 2015-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.