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William Blackerby, PH.D.
NPI 1447393889 · Psychologist · Clarksville, TN
William Blackerby, PH.D. is a Psychologist provider in Clarksville, TN (NPI 1447393889).
Provider details
- NPI number
- 1447393889
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0000001231 (TN)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
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
141 Chesapeake Ln
Clarksville, TN 37040-5241
Phone: (615) 445-9088
Street-level locationGet directions
Mailing address
3393 Lake Brook Blvd
Knoxville, TN 37909-3708
Registry dates
- Enumerated
- 2007-02-15
- Last updated
- 2025-10-23
- Certified
- 2025-10-23
Frequently asked questions
- What is William Blackerby's NPI number?
- William Blackerby's National Provider Identifier (NPI) is 1447393889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Blackerby's specialty?
- William Blackerby is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is William Blackerby located?
- William Blackerby's practice location on file with NPPES is 141 Chesapeake Ln, Clarksville, TN 37040-5241.
- What is William Blackerby's phone number?
- The practice phone number listed in the NPPES registry for William Blackerby is (615) 445-9088.
- Is William Blackerby's NPI active?
- Yes — William Blackerby's NPI (1447393889) is active in the NPPES registry as of the last update on 2025-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.