John Gronberg, LMHC
NPI 1245518794 · Mental Health Counselor · Hollywood, FL
John Gronberg, LMHC is a Mental Health Counselor provider in Hollywood, FL (NPI 1245518794).
Provider details
- NPI number
- 1245518794
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Male
- Sole proprietor
- No
- License
- MH2968 (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
14 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
- 2011-08-02
- Last updated
- 2019-09-19
Frequently asked questions
- What is John Gronberg's NPI number?
- John Gronberg's National Provider Identifier (NPI) is 1245518794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gronberg's specialty?
- John Gronberg is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Gronberg located?
- John Gronberg's practice location on file with NPPES is 3400 N. 29th Avenue, Hollywood, FL 33020.
- What is John Gronberg's phone number?
- The practice phone number listed in the NPPES registry for John Gronberg is (954) 965-6408.
- Is John Gronberg's NPI active?
- Yes — John Gronberg's NPI (1245518794) is active in the NPPES registry as of the last update on 2019-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.