John Warren, L.M.H.C.
NPI 1639507254 · Mental Health Counselor · Jacksonville, FL
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Warren, L.M.H.C. is a Mental Health Counselor provider in Jacksonville, FL (NPI 1639507254).
Provider details
- NPI number
- 1639507254
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- L.M.H.C.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 550 Balmoral Cir N Ste 201Jacksonville, FL 32218-5577Phone: (904) 294-5329Fax: (904) 485-8460
- 1857 Wells Rd Ste 6Orange Park, FL 32073-6763Phone: (904) 294-5329Fax: (904) 485-8460
Registry dates
- Enumerated
- 2013-10-16
- Last updated
- 2025-05-29
- Certified
- 2025-05-29
Frequently asked questions
- What is John Warren's NPI number?
- John Warren's National Provider Identifier (NPI) is 1639507254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Warren's specialty?
- John Warren is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Warren located?
- John Warren's practice location on file with NPPES is 8833 Perimeter Park Blvd Ste 201, Jacksonville, FL 32216-1111.
- What is John Warren's phone number?
- The practice phone number listed in the NPPES registry for John Warren is (904) 305-5864.
- Does John Warren accept Medicare?
- John Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Warren's NPI active?
- Yes — John Warren's NPI (1639507254) is active in the NPPES registry as of the last update on 2025-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.