IndividualActive
Charles O'Neil
NPI 1245362904 · Mental Health Counselor · Maryville, TN
Charles O'Neil is a Mental Health Counselor provider in Maryville, TN (NPI 1245362904).
Provider details
- NPI number
- 1245362904
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
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
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
210 Simmons St
Maryville, TN 37801-4750
Phone: (865) 374-7100
Street-level locationGet directions
Mailing address
6800 Baum Dr
Knoxville, TN 37919-7315
Registry dates
- Enumerated
- 2007-03-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles O'Neil's NPI number?
- Charles O'Neil's National Provider Identifier (NPI) is 1245362904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles O'Neil's specialty?
- Charles O'Neil is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Charles O'Neil located?
- Charles O'Neil's practice location on file with NPPES is 210 Simmons St, Maryville, TN 37801-4750.
- What is Charles O'Neil's phone number?
- The practice phone number listed in the NPPES registry for Charles O'Neil is (865) 374-7100.
- Is Charles O'Neil's NPI active?
- Yes — Charles O'Neil's NPI (1245362904) 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.