IndividualActive
William Clarkson
NPI 1659680502 · Mental Health Counselor · Tonawanda, NY
William Clarkson is a Mental Health Counselor provider in Tonawanda, NY (NPI 1659680502).
Provider details
- NPI number
- 1659680502
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
1370 Niagara Falls Blvd
Tonawanda, NY 14150-8441
Phone: (716) 833-3708
Fax: (716) 833-3711
Street-level locationGet directions
Mailing address
3020 Bailey Ave
Buffalo, NY 14215-2814
Registry dates
- Enumerated
- 2010-09-27
- Last updated
- 2010-09-27
Frequently asked questions
- What is William Clarkson's NPI number?
- William Clarkson's National Provider Identifier (NPI) is 1659680502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Clarkson's specialty?
- William Clarkson is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is William Clarkson located?
- William Clarkson's practice location on file with NPPES is 1370 Niagara Falls Blvd, Tonawanda, NY 14150-8441.
- What is William Clarkson's phone number?
- The practice phone number listed in the NPPES registry for William Clarkson is (716) 833-3708.
- Is William Clarkson's NPI active?
- Yes — William Clarkson's NPI (1659680502) is active in the NPPES registry as of the last update on 2010-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.