William Ellis, PHD
Clinical Psychologist · Hyannis, MA
William Ellis, PHD is a clinical psychologist with a practice address in Hyannis, Massachusetts, and NPI 1942278031, issued on Mar 14, 2006. Check the license (Massachusetts 2809, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Ellis
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 2809 MA
Self-reported in NPPES; status is on the state search - Practice location
- 218 W Main St, Hyannis, MA 02601
- Phone
- (508) 771-4640
- Enumerated
- Mar 14, 2006
- Entity
- Type 1 · individual
Also registered at 218 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 2809Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Clinical Psychologist providers in Massachusetts
There are 2,926 clinical psychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other clinical psychologist records in Massachusetts
- Deborah Abber, PH.D.Westford, MA1568885846
- Mitchell Abblett, PH.D.Needham, MA1124175302
- Caroline Abbott, PHDBrockton, MA1699478446
- Roger Abdell, ED.DNewton Centre, MA1225110281
- Kenneth Abdul-Karim, PH.D.Mashpee, MA1689850661
- Tahirah Abdullah-Swain, PHDBoston, MA1306417456
- Susan Abelson, PH.D.Cambridge, MA1447306154
- Kristen Aberle, PSYDBoston, MA1619308772
- Gridth Ablon, PHDChesnut Hill, MA1538380480
- Lawrence Abrams, PH.D.Canton, MA1013985993
Common questions
What is William Ellis, PHD's NPI number?
William Ellis, PHD's National Provider Identifier (NPI) is 1942278031, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Ellis, PHD located?
The NPPES record lists a practice address at 218 W Main St, Hyannis, MA, 02601. Phone: (508) 771-4640. Providers update this record themselves, so call before visiting.
How can I verify William Ellis, PHD's license?
NPPES lists Massachusetts license number 2809, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.