William H. Ellis, PHD
NPI 1942278031ActiveIndividual· Psychologist· Hyannis, MA
Psychologist (PHD) in Hyannis, Massachusetts, licensed in MA, with an NPI issued in March 2006. Medicare paid $49,774 for services to 58 patients in 2024.
Overview
| NPI | 1942278031 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHD |
| Sole proprietor | Yes |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist Primary | 103T00000X | 2809 | MA |
| Psychologist, Clinical | 103TC0700X | 2809 | MA |
| Psychologist, Addiction (Substance Use Disorder) | 103TA0400X | 2809 | MA |
| Psychologist, Adult Development & Aging | 103TA0700X | 2809 | MA |
| Psychologist, Clinical Child & Adolescent | 103TC2200X | 2809 | MA |
| Psychologist, Family | 103TF0000X | 2809 | MA |
| Psychologist, Health Service | 103TH0100X | 2809 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Clinical Psychologist (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 58 |
|---|---|
| Services billed | 646 across 4 procedure codes |
| Paid by Medicare | $49,774 |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Clinical Psychologist |
| Telehealth | Offers telehealth |
Other Psychologist providers in Hyannis
- 1679520902
- 1295784700
- 1902654098
- 1609816636
- 1124176078
- 1639429160
- 1104748805