Dr Annie S Liau, MD - Medicare Obstetrics/gynecology in Cambridge, MA

Dr Annie S Liau, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Cambridge, Massachusetts. She graduated from medical school in 1978 and has 46 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Massachusetts Institute Of Technology and her current practice location is 77 Massachusetts Ave, Mit E23 319, Cambridge, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 253-1315.

Dr Annie S Liau is licensed to practice in Massachusetts (license number 46460) 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 1366423717.

Contact Information

Dr Annie S Liau, MD
77 Massachusetts Ave, Mit E23 319,
Cambridge, MA 02139
(617) 253-1315
(617) 258-0454

Map and Direction




Physician's Profile

Full NameDr Annie S Liau
GenderFemale
SpecialityObstetrics/gynecology
Experience46 Years
Location77 Massachusetts Ave, Cambridge, 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 Annie S Liau graduated from medical school in 1978
  NPI Data:
  • NPI Number: 1366423717
  • Provider Enumeration Date: 11/10/2005
  • Last Update Date: 02/09/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 4981698800
  • Enrollment ID: I20040413001354

Medical Identifiers

Medical identifiers for Dr Annie S Liau such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1366423717NPI-NPPES
6189946MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 46460 (Massachusetts)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Massachusetts Institute Of Technology559765866651

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 Annie S Liau allows following entities to bill medicare on her behalf.
Entity NameMassachusetts Institute Of Technology
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346308723
PECOS PAC ID: 5597658666
Enrollment ID: O20040203000789
Entity NameMt Auburn Professional Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992750996
PECOS PAC ID: 6103725031
Enrollment ID: O20040527001374

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 Annie S Liau 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 Annie S Liau, MD
25 Carleton St, E23-315,
Cambridge, MA 02142-1323

Ph: (617) 253-1315
Dr Annie S Liau, MD
77 Massachusetts Ave, Mit E23 319,
Cambridge, MA 02139

Ph: (617) 253-1315

Reviews and Comments


Obstetrics & Gynecology Doctors in Cambridge, MA

Kathleen Forest Harney, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1493 Cambridge St, Cambridge, MA 02139
Phone: 617-665-1600    
Dr. Arielle Caplin, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1493 Cambridge St, Cambridge, MA 02139
Phone: 617-665-1000    
Latoya Shari Jackson, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1493 Cambridge St, Cambridge, MA 02139
Phone: 617-498-1660    
Dr. Eman Elkadry, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 725 Concord Ave, Ste 3300, Cambridge, MA 02138
Phone: 617-354-5452    Fax: 617-497-7503
Alexander Bruscke, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 725 Concord Ave Ste 3500, Cambridge, MA 02138
Phone: 617-354-5452    
Arthur G Spector, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1493 Cambridge St, Cambridge, MA 02139
Phone: 617-665-2800    
Dr. Jessica Leigh Verosko, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1493 Cambridge St, Cha - Ob/gyn - Cambridge Campus, Cambridge, MA 02139
Phone: 617-498-1660    

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.