James C Liu, MD - Medicare Internal Medicine in Somerville, MA

James C Liu, MD is a medicare enrolled "Internal Medicine" physician in Somerville, Massachusetts. He graduated from medical school in 1993 and has 31 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Massachusetts Institute Of Technology and his current practice location is 40 Holland St, Internal Medicine, Somerville, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 629-6350.

James C Liu is licensed to practice in Massachusetts (license number 202578) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1114983533.

Contact Information

James C Liu, MD
40 Holland St, Internal Medicine,
Somerville, MA 02144-2705
(617) 629-6350
(617) 629-6067

Map and Direction




Physician's Profile

Full NameJames C Liu
GenderMale
SpecialityInternal Medicine
Experience31 Years
Location40 Holland St, Somerville, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • James C Liu graduated from medical school in 1993
  NPI Data:
  • NPI Number: 1114983533
  • Provider Enumeration Date: 04/25/2006
  • Last Update Date: 06/27/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 9739284209
  • Enrollment ID: I20070412000373

Medical Identifiers

Medical identifiers for James C Liu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114983533NPI-NPPES
3207188MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 202578 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Partners Healthcare At Home - Home CareWaltham, MAHome health agency
Mount Auburn HospitalCambridge, MAHospital
Lahey Hospital & Medical Center, BurlingtonBurlington, MAHospital
Massachusetts General HospitalBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Massachusetts Institute Of Technology559765866650

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. James C Liu allows following entities to bill medicare on his behalf.
Entity NameMassachusetts Institute Of Technology
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346308723
PECOS PAC ID: 5597658666
Enrollment ID: O20040203000789

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. James C Liu 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
James C Liu, MD
147 Milk St, Provider Enrollment - 9th Floor,
Boston, MA 02109-4806

Ph: (617) 559-8374
James C Liu, MD
40 Holland St, Internal Medicine,
Somerville, MA 02144-2705

Ph: (617) 629-6350

Reviews and Comments


Internal Medicine Doctors in Somerville, MA

Arturo Villarreal-verdecia, MD
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Medicare: Medicare Enrolled
Practice Location: 236 Highland Ave, Somerville, MA 02143
Phone: 617-591-4920    
Tatiana Slavsky, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 40 Holland St, Internal Medicine, Somerville, MA 02144
Phone: 617-629-6350    Fax: 617-629-6067
Ingo H Stubbe, MD
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Practice Location: 230 Highland Ave, Somerville, MA 02143
Phone: 617-591-4920    
Dr. Rebecca Elysia Pappo Rogers, M.D.
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Practice Location: 300 Broadway, Cambridge Health Alliance, Somerville, MA 02145
Phone: 617-284-7000    
Hillary G Worthen, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 65 Beacon St, Somerville, MA 02143
Phone: 617-665-2347    
Ruth P Hertzman-miller, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 236 Highland Ave, Cha - Somerville Hospital Primary Care, Somerville, MA 02143
Phone: 617-591-6300    

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.