Grant Voyles, CAC II
NPI 1104434109 · Addiction (Substance Use Disorder) Counselor · San Francisco, CA
Grant Voyles, CAC II is a Addiction (Substance Use Disorder) Counselor provider in San Francisco, CA (NPI 1104434109).
Provider details
- NPI number
- 1104434109
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CAC II
- Sex
- Male
- Sole proprietor
- No
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
5 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
- 2020-07-16
- Last updated
- 2020-07-16
- Certified
- 2020-07-16
Frequently asked questions
- What is Grant Voyles's NPI number?
- Grant Voyles's National Provider Identifier (NPI) is 1104434109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Voyles's specialty?
- Grant Voyles is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Grant Voyles located?
- Grant Voyles's practice location on file with NPPES is 1390 Market St Ste 200, San Francisco, CA 94102-5404.
- What is Grant Voyles's phone number?
- The practice phone number listed in the NPPES registry for Grant Voyles is (770) 312-2745.
- Is Grant Voyles's NPI active?
- Yes — Grant Voyles's NPI (1104434109) is active in the NPPES registry as of the last update on 2020-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.