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DR. WILLIAM SISCO PSY.D.
NPI 1457801276
Psychologist - Clinical in Traverse City, MI

Active since October 04, 2016
830 COTTAGEVIEW DR STE 103, TRAVERSE CITY, MI 49684(231) 631-7517 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 11, 2025, Nov 28, 2021 (2 updates tracked since 2021).

About Dr. William Sisco Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM SISCO PSY.D. (NPI 1457801276) is an individual clinical provider in Traverse City, Michigan, licensed in Virginia (0810005386) and active in the NPI registry since October 2016. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1457801276
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. WILLIAM SISCOCredential: PSY.D.
Location Address830 COTTAGEVIEW DR STE 103Traverse City, MI 49684-2373
Mailing Address830 Cottageview Dr Ste 103Traverse City, MI 49684-2373 · (231) 631-7517
Phone(231) 631-7517
Sole ProprietorYes
Enumeration DateOctober 4, 2016
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
NPPES CertifiedNovember 28, 2021
✔ NPI 1457801276 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in VA · 0810005386
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
830 COTTAGEVIEW DR STE 103, Traverse City, MI 49684
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Secondary Practice Locations 2

Location 16105D Arlington BlvdFalls Church, VA 22044-2950 · Phone (703) 819-6177
Location 23793 Sandia PlTraverse City, MI 49684-4456 · Phone (231) 631-7517

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Sisco's NPI number?

The NPI number for William Sisco is 1457801276. It was assigned to this individual provider in the NPPES registry on October 4, 2016.

Where is William Sisco located?

William Sisco practices at 830 Cottageview Dr Ste 103, Traverse City, MI 49684. The listed phone number is (231) 631-7517.

What is William Sisco's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

What insurance does William Sisco accept?

Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list William Sisco as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Sisco was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.