John Gast, LMHC
NPI 1104996651 · Mental Health Counselor · Jacksonville, FL
John Gast, LMHC is a Mental Health Counselor provider in Jacksonville, FL (NPI 1104996651).
Provider details
- NPI number
- 1104996651
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Male
- Sole proprietor
- No
- License
- MH5616 (FL)
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
19 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
- 2006-11-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Gast's NPI number?
- John Gast's National Provider Identifier (NPI) is 1104996651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gast's specialty?
- John Gast is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Gast located?
- John Gast's practice location on file with NPPES is 3810-3 Williamsburg Park Blvd, Jacksonville, FL 32257-9220.
- What is John Gast's phone number?
- The practice phone number listed in the NPPES registry for John Gast is (904) 419-6102.
- Is John Gast's NPI active?
- Yes — John Gast's NPI (1104996651) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.