Dr Gigi Girgis, MD - Medicare Neurology in Waltham, MA

Dr Gigi Girgis, MD is a medicare enrolled "Psychiatry & Neurology - Neurology" physician in Waltham, Massachusetts. She graduated from medical school in 1980 and has 44 years of diverse experience with area of expertise as Neurology. Her current practice location is 20 Hope Ave, Suite 203, Waltham, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (781) 647-3550.

Dr Gigi Girgis is licensed to practice in Massachusetts (license number 50799) 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 1053387316.

Contact Information

Dr Gigi Girgis, MD
20 Hope Ave, Suite 203,
Waltham, MA 02453-2721
(781) 647-3550
(781) 899-8845

Map and Direction




Physician's Profile

Full NameDr Gigi Girgis
GenderFemale
SpecialityNeurology
Experience44 Years
Location20 Hope 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 Gigi Girgis graduated from medical school in 1980
  NPI Data:
  • NPI Number: 1053387316
  • Provider Enumeration Date: 02/27/2006
  • Last Update Date: 09/19/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8224084728
  • Enrollment ID: I20050328001069

Medical Identifiers

Medical identifiers for Dr Gigi Girgis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053387316NPI-NPPES
3000494MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology 50799 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Newton-wellesley HospitalNewton, MAHospital
Massachusetts General HospitalBoston, MAHospital
Brigham And Women's HospitalBoston, MAHospital

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 Gigi Girgis allows following entities to bill medicare on her behalf.
Entity NameThe Mclean Hospital Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1114979580
PECOS PAC ID: 9436040961
Enrollment ID: O20040323001228

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 Gigi Girgis 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 Gigi Girgis, MD
20 Hope Ave, Suite 203,
Waltham, MA 02453-2721

Ph: (781) 647-3550
Dr Gigi Girgis, MD
20 Hope Ave, Suite 203,
Waltham, MA 02453-2721

Ph: (781) 647-3550

Reviews and Comments


Psychiatry & Neurology Doctors in Waltham, MA

Dr. Robert R Wolff, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 9 Hope Ave, Waltham, MA 02453
Phone: 617-355-2063    
Robert Long Kelley, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 20 Hope Ave Suite 201, Waltham, MA 20453
Phone: 781-891-4909    
Shreyansh Shah, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: Wac-7-721-j, 15 Parkman Street, Massachusetts Genral Hospital, Waltham, MA 02453
Phone: 281-827-5041    
Pearl Alweny, NP
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 273 Ridge Ln Apt 308, Waltham, MA 02452
Phone: 857-316-8020    
Tanya Yanovsky, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 20 Hope Ave, Suite G05, Waltham, MA 02453
Phone: 781-893-8762    Fax: 781-899-6386
Brian J Freeman, M.D.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 890 Winter St, Ste.320, Waltham, MA 02451
Phone: 781-622-5334    

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.