Ellen Slawsby, PHD - Medicare Psychologist in Chestnut Hill, MA

Ellen Slawsby, PHD is a medicare enrolled "Psychologist" provider in Chestnut Hill, Massachusetts. She graduated from medical school in 1995 and has 29 years of diverse experience with area of expertise as Clinical Psychologist. She is a member of the group practice Massachusetts General Physicians Organization Inc and her current practice location is 824 Boylston Street, Chestnut Hill, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 991-0102.

Ellen Slawsby is licensed to practice in Massachusetts (license number 7159) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1477666329.

Contact Information

Ellen Slawsby, PHD
824 Boylston Street,
Chestnut Hill, MA 02467
(617) 991-0102
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameEllen Slawsby
GenderFemale
SpecialityClinical Psychologist
Experience29 Years
Location824 Boylston Street, Chestnut Hill, Massachusetts
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ellen Slawsby graduated from medical school in 1995
  NPI Data:
  • NPI Number: 1477666329
  • Provider Enumeration Date: 08/16/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 2264438092
  • Enrollment ID: I20061018000238

Medical Identifiers

Medical identifiers for Ellen Slawsby such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477666329NPI-NPPES
0501891MedicaidMA
W06019OtherMABSBC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103T00000XPsychologist 7159 (Massachusetts)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ellen Slawsby allows following entities to bill medicare on her behalf.
Entity NameMassachusetts General Physicians Organization Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801874573
PECOS PAC ID: 2466365820
Enrollment ID: O20031111000434
Entity NameThe General Hospital Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023049236
PECOS PAC ID: 6507803806
Enrollment ID: O20080313000351
Entity NameEllen A. Slawsby Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619196086
PECOS PAC ID: 7810143401
Enrollment ID: O20120815000086

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. Ellen Slawsby 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
Ellen Slawsby, PHD
Po Box 9142, Mass General Physician Organization Inc,
Charlestown, MA 02129-9142

Ph: (617) 724-0287
Ellen Slawsby, PHD
824 Boylston Street,
Chestnut Hill, MA 02467

Ph: (617) 991-0102

Reviews and Comments


Psychologist in Chestnut Hill, MA

Dr. Elizabeth Elaine Sparks, PH.D.
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Dr. Maggie Hogan, PHD
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Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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