Joshua Grissom
NPI 1336926971 · Addiction (Substance Use Disorder) Counselor · Chattanooga, TN
Joshua Grissom is a Addiction (Substance Use Disorder) Counselor provider in Chattanooga, TN (NPI 1336926971).
Provider details
- NPI number
- 1336926971
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- 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
2 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
- 2023-09-08
- Last updated
- 2023-09-08
- Certified
- 2023-09-08
Frequently asked questions
- What is Joshua Grissom's NPI number?
- Joshua Grissom's National Provider Identifier (NPI) is 1336926971, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Grissom's specialty?
- Joshua Grissom is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Joshua Grissom located?
- Joshua Grissom's practice location on file with NPPES is 2347 Rossville Blvd, Chattanooga, TN 37408-2250.
- What is Joshua Grissom's phone number?
- The practice phone number listed in the NPPES registry for Joshua Grissom is (423) 265-3122.
- Is Joshua Grissom's NPI active?
- Yes — Joshua Grissom's NPI (1336926971) is active in the NPPES registry as of the last update on 2023-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.