William Koestline, M.A.
NPI 1982768735 · Professional Counselor · Columbia, SC
William Koestline, M.A. is a Professional Counselor provider in Columbia, SC (NPI 1982768735).
Provider details
- NPI number
- 1982768735
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- M.A.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 149 (SC)
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
- 2006-12-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Koestline's NPI number?
- William Koestline's National Provider Identifier (NPI) is 1982768735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Koestline's specialty?
- William Koestline is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is William Koestline located?
- William Koestline's practice location on file with NPPES is 6952 Saint Andrews Rd, Columbia, SC 29212-1143.
- What is William Koestline's phone number?
- The practice phone number listed in the NPPES registry for William Koestline is (803) 732-2273.
- Is William Koestline's NPI active?
- Yes — William Koestline's NPI (1982768735) 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.