Mary Kavanagh Barker, MD - Medicare Internal Medicine in Wellesley, MA

Mary Kavanagh Barker, MD is a medicare enrolled "Internal Medicine" physician in Wellesley, Massachusetts. She went to Virginia Commonwealth University, School Of Medicine and graduated in 1992 and has 32 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Atrius Health Inc and her current practice location is 230 Worcester St, Internal Medicine, Wellesley, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (781) 431-5220.

Mary Kavanagh Barker is licensed to practice in Massachusetts (license number 79150) 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 1215908132.

Contact Information

Mary Kavanagh Barker, MD
230 Worcester St, Internal Medicine,
Wellesley, MA 02481-5420
(781) 431-5220
(781) 431-5371



Physician's Profile

Full NameMary Kavanagh Barker
GenderFemale
SpecialityInternal Medicine
Experience32 Years
Location230 Worcester St, Wellesley, 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:
  • Mary Kavanagh Barker attended and graduated from Virginia Commonwealth University, School Of Medicine in 1992
  NPI Data:
  • NPI Number: 1215908132
  • Provider Enumeration Date: 01/30/2006
  • Last Update Date: 10/22/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 4486662764
  • Enrollment ID: I20060328000628

Medical Identifiers

Medical identifiers for Mary Kavanagh Barker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215908132NPI-NPPES
J31749OtherMABLUE CROSS
079150OtherMATUFTS
3185648MedicaidMA
PV595OtherMAHARVARD PILGRIM

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 79150 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Partners Healthcare At Home - Home CareWaltham, MAHome health agency
Preferred Transitions Home Health Care IncMilford, MAHome health agency
Vna Care NetworkWorcester, MAHome health agency
Newton-wellesley HospitalNewton, MAHospital
Brigham And Women's HospitalBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Atrius Health Inc47895886411116

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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. Mary Kavanagh Barker 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

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Entity NameAtrius Health Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871639914
PECOS PAC ID: 4789588641
Enrollment ID: O20031121000582

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Entity NameThe General Hospital Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023049236
PECOS PAC ID: 6507803806
Enrollment ID: O20080313000351

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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. Mary Kavanagh Barker 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
Mary Kavanagh Barker, MD
230 Worcester St,
Wellesley, MA 02481-5420

Ph: (781) 431-5220
Mary Kavanagh Barker, MD
230 Worcester St, Internal Medicine,
Wellesley, MA 02481-5420

Ph: (781) 431-5220

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Internal Medicine Doctors in Wellesley, MA

Deborah Hadley, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 195 Worcester St, Suite 102, Wellesley, MA 02481
Phone: 617-219-1510    Fax: 617-219-1512
Dr. Burt Whitney Hall, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 65 Walnut St, Suite 590, Wellesley, MA 02481
Phone: 781-237-3395    Fax: 781-237-3397
Ida P Gorenburg, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 230 Worcester St, Internal Medicine, Wellesley, MA 02481
Phone: 781-431-5220    Fax: 781-431-5526
James S Sidel, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 4 Falmouth Rd, Wellesley, MA 02481
Phone: 781-237-3057    
David John Wenzel, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: Marino Center For Progressive Health, 372 Washington Street, Wellesley, MA 02481
Phone: 781-235-5200    Fax: 781-235-1103
Dr. Jessica Suzanne Mosher, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20 William St Ste G15, Wellesley, MA 02481
Phone: 781-591-4234    Fax: 781-369-9737
Charles C Pao, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 40 Walnut Street, Suite 102, Wellesley, MA 02481
Phone: 781-943-3000    Fax: 781-943-3037

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