Dr William H Ellis, PHD - Medicare Psychologist in Hyannis, MA

Dr William H Ellis, PHD is a medicare enrolled "Psychologist" provider in Hyannis, Massachusetts. He graduated from medical school in 1980 and has 44 years of diverse experience with area of expertise as Clinical Psychologist. His current practice location is 218 W Main St, Hyannis, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 771-4640.

Dr William H Ellis is licensed to practice in Massachusetts (license number 2809) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1942278031.

Contact Information

Dr William H Ellis, PHD
218 W Main St,
Hyannis, MA 02601-3778
(508) 771-4640
(508) 790-4880

Map and Direction




Healthcare Provider's Profile

Full NameDr William H Ellis
GenderMale
SpecialityClinical Psychologist
Experience44 Years
Location218 W Main St, Hyannis, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr William H Ellis graduated from medical school in 1980
  NPI Data:
  • NPI Number: 1942278031
  • Provider Enumeration Date: 03/14/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8224220280
  • Enrollment ID: I20101008000314

Medical Identifiers

Medical identifiers for Dr William H Ellis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942278031NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103TC0700XPsychologist - Clinical 2809 (Massachusetts)Primary
103TA0400XPsychologist - Addiction (substance Use Disorder) 2809 (Massachusetts)Primary
103TA0700XPsychologist - Adult Development & Aging 2809 (Massachusetts)Primary
103TC2200XPsychologist - Clinical Child & Adolescent 2809 (Massachusetts)Primary
103TF0000XPsychologist - Family 2809 (Massachusetts)Primary
103TH0100XPsychologist - Health Service 2809 (Massachusetts)Primary
103T00000XPsychologist 2809 (Massachusetts)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr William H Ellis is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr William H Ellis, PHD
218 W Main St,
Hyannis, MA 02601-3778

Ph: (508) 771-4640
Dr William H Ellis, PHD
218 W Main St,
Hyannis, MA 02601-3778

Ph: (508) 771-4640

Reviews and Comments


Psychologist in Hyannis, MA

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Stefanie Meril Adams, PH.D.
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Phone: 508-790-3375    Fax: 508-790-3304
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