William H. Ellis, PHD
Psychologist · Hyannis, MA
Practice location
218 W Main StHyannis, MA 02601-3778
- Phone
- (508) 771-4640
- Fax
- (508) 790-4880
NPI record
- NPI
- 1942278031
- Entity type
- Individual (Type 1)
- Enumeration date
- March 14, 2006
- Last updated
- September 11, 2025
- Sole proprietor
- Yes
Specialties & taxonomy codes
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist Primary | 103T00000X |
2809 | MA |
| Clinical Psychologist | 103TC0700X |
2809 | MA |
| Addiction (Substance Use Disorder) Psychologist | 103TA0400X |
2809 | MA |
| Adult Development & Aging Psychologist | 103TA0700X |
2809 | MA |
| Clinical Child & Adolescent Psychologist | 103TC2200X |
2809 | MA |
| Family Psychologist | 103TF0000X |
2809 | MA |
| Health Service Psychologist | 103TH0100X |
2809 | MA |
About Dr. Ellis
William H. Ellis, PHD is a healthcare provider registered in the NPI registry with the primary taxonomy Psychologist (code 103T00000X). The practice location is 218 W Main St, Hyannis, MA 02601-3778. The NPI number 1942278031 was assigned on March 14, 2006 and the record was last updated on September 11, 2025.
Dr. Ellis lists 7 licenses in the registry: #2809 (MA) for Psychologist; #2809 (MA) for Clinical Psychologist; #2809 (MA) for Addiction (Substance Use Disorder) Psychologist; #2809 (MA) for Adult Development & Aging Psychologist; #2809 (MA) for Clinical Child & Adolescent Psychologist; #2809 (MA) for Family Psychologist; #2809 (MA) for Health Service Psychologist. License numbers are self-reported to NPPES; verify them with the state licensing board.
Frequently asked questions
What is the NPI number of William H. Ellis, PHD?
The NPI number is 1942278031.
What is the phone number of Dr. Ellis?
The phone number listed for the practice location is (508) 771-4640.
Where is Dr. Ellis located?
218 W Main St, Hyannis, MA 02601-3778.
What is the taxonomy code for Dr. Ellis?
The primary taxonomy code is 103T00000X – Psychologist; 6 more listed above.
Is this information correct?
All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.
Other Psychologist providers in Hyannis
- Morgan Haley Wenzel, M.S.100 Independence Dr
- Paul E. Laemmle, PH.D.745 Falmouth Rd
- John Bertera, PHD460 West Main St
- Blaise Fortunata, PSYCHOLOGIST460 W Main St
- Krista Elizabeth Lesinski, PSY.D.27 Park St
- Barbara S. Amidon, PHD460 West Main Street