William C Liaw, MD - Medicare Internal Medicine in Wellesley, MA

William C Liaw, MD is a medicare enrolled "Internal Medicine" physician in Wellesley, Massachusetts. He went to University Of Virginia School Of Medicine and graduated in 1994 and has 30 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Newton Wellesley Primary Care P C and his current practice location is 40 Walnut St Ste 102, Wellesley, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (781) 943-3000.

William C Liaw is licensed to practice in Massachusetts (license number 154021) 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 1912954611.

Contact Information

William C Liaw, MD
40 Walnut St Ste 102,
Wellesley, MA 02481-2175
(781) 943-3000
(781) 943-3001



Physician's Profile

Full NameWilliam C Liaw
GenderMale
SpecialityInternal Medicine
Experience30 Years
Location40 Walnut St Ste 102, Wellesley, 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:
  • William C Liaw attended and graduated from University Of Virginia School Of Medicine in 1994
  NPI Data:
  • NPI Number: 1912954611
  • Provider Enumeration Date: 05/28/2006
  • Last Update Date: 06/26/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 7012101215
  • Enrollment ID: I20101102000255

Medical Identifiers

Medical identifiers for William C Liaw such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912954611NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 154021 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Partners Healthcare At Home - Home CareWaltham, MAHome health agency
Newton-wellesley HospitalNewton, MAHospital
Brigham And Women's HospitalBoston, MAHospital
Massachusetts General HospitalBoston, MAHospital
Faulkner Hospital-brigham And Women'sBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Newton Wellesley Primary Care P C29614712558

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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. William C Liaw allows following entities to bill medicare on his behalf.
Entity NameNewton Wellesley Primary Care P C
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003911579
PECOS PAC ID: 2961471255
Enrollment ID: O20041004000115

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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. William C Liaw 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
William C Liaw, MD
40 Walnut Street, Suite 102,
Wellesley, MA 02481-2102

Ph: (781) 943-3000
William C Liaw, MD
40 Walnut St Ste 102,
Wellesley, MA 02481-2175

Ph: (781) 943-3000

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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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