William Sisco, PSY.D.
NPI 1457801276 · Clinical Psychologist · Traverse City, MI
William Sisco, PSY.D. is a Clinical Psychologist provider in Traverse City, MI (NPI 1457801276).
Provider details
- NPI number
- 1457801276
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0810005386 (VA)
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
9 yrs in NPPES registry
- Profile completeness38% of score
100% 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)
- 3793 Sandia PlTraverse City, MI 49684-4456Phone: (231) 631-7517
- 6105d Arlington BlvdFalls Church, VA 22044-2950Phone: (703) 819-6177
Registry dates
- Enumerated
- 2016-10-04
- Last updated
- 2025-09-11
- Certified
- 2021-11-28
Frequently asked questions
- What is William Sisco's NPI number?
- William Sisco's National Provider Identifier (NPI) is 1457801276, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sisco's specialty?
- William Sisco is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Sisco located?
- William Sisco's practice location on file with NPPES is 830 Cottageview Dr Ste 103, Traverse City, MI 49684-2373.
- What is William Sisco's phone number?
- The practice phone number listed in the NPPES registry for William Sisco is (231) 631-7517.
- Is William Sisco's NPI active?
- Yes — William Sisco's NPI (1457801276) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.