Dr Allison Lloyd Mcdonough, MD - Medicare Internal Medicine in Waltham, MA

Dr Allison Lloyd Mcdonough, MD is a medicare enrolled "Internal Medicine" physician in Waltham, Massachusetts. She went to Harvard Medical School and graduated in 1997 and has 27 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Massachusetts General Physicians Organization Inc and her current practice location is 52 2nd Ave, Suite 2000, Waltham, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (781) 487-4040.

Dr Allison Lloyd Mcdonough is licensed to practice in Massachusetts (license number 159697) 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 1124091103.

Contact Information

Dr Allison Lloyd Mcdonough, MD
52 2nd Ave, Suite 2000,
Waltham, MA 02451-1127
(781) 487-4040
(781) 487-2870

Map and Direction




Physician's Profile

Full NameDr Allison Lloyd Mcdonough
GenderFemale
SpecialityInternal Medicine
Experience27 Years
Location52 2nd Ave, Waltham, 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:
  • Dr Allison Lloyd Mcdonough attended and graduated from Harvard Medical School in 1997
  NPI Data:
  • NPI Number: 1124091103
  • Provider Enumeration Date: 02/09/2006
  • Last Update Date: 07/07/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 9032196134
  • Enrollment ID: I20040707000318

Medical Identifiers

Medical identifiers for Dr Allison Lloyd Mcdonough such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124091103NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 159697 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Partners Healthcare At Home - Home CareWaltham, MAHome health agency
Massachusetts General HospitalBoston, MAHospital
Newton-wellesley HospitalNewton, MAHospital
Brigham And Women's HospitalBoston, MAHospital
North Shore Medical Center -Salem, MAHospital
Emerson Hospital -W concord, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Massachusetts General Physicians Organization Inc24663658203085

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. Dr Allison Lloyd Mcdonough 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

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 Allison Lloyd Mcdonough 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 Allison Lloyd Mcdonough, MD
Po Box 9142, Mass General Physician Organization,
Charlestown, MA 02129-9142

Ph: (617) 724-0287
Dr Allison Lloyd Mcdonough, MD
52 2nd Ave, Suite 2000,
Waltham, MA 02451-1127

Ph: (781) 487-4040

Reviews and Comments


Internal Medicine Doctors in Waltham, MA

Nancy Gracin, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 40 2nd Ave, Suite 520, Waltham, MA 02451
Phone: 781-487-6000    Fax: 781-497-2978
Wissam J Khoory, M.D.
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 20 Hope Ave, Suite G03, Waltham, MA 02453
Phone: 781-893-4490    
Dr. Julie Pfeffer, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 355 Waverley Oaks Rd Ste 200, Waltham, MA 02452
Phone: 781-647-6920    
Marilyn Novich, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: Private Health Care Systems, 1100 Winter Street, Waltham, MA 02451
Phone: 781-895-7500    
Mary Paula Lutz, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 200 West Street, Parexel International, Waltham, MA 02154
Phone: 781-434-4562    
Melody L Craft, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 200 West St, Waltham, MA 02451
Phone: 781-434-5145    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.