Martin J Williams, MD - Medicare General Surgery in Dorchester Center, MA

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Martin J Williams, MD is a medicare enrolled "Surgery" physician in Dorchester Center, Massachusetts. He went to Harvard Medical School and graduated in 1982 and has 42 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Steward Medical Group Inc and his current practice location is 2100 Dorchester Ave, Dorchester Center, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 364-4380.

Martin J Williams is licensed to practice in Massachusetts (license number 52959) 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 1851386429.

Contact Information

Martin J Williams, MD
2100 Dorchester Ave,
Dorchester Center, MA 02124-5615
(617) 364-4380
(617) 298-2517

Map and Direction




Physician's Profile

Full NameMartin J Williams
GenderMale
SpecialityGeneral Surgery
Experience42 Years
Location2100 Dorchester Ave, Dorchester Center, 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:
  • Martin J Williams attended and graduated from Harvard Medical School in 1982
  NPI Data:
  • NPI Number: 1851386429
  • Provider Enumeration Date: 09/20/2005
  • Last Update Date: 10/24/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 6406802156
  • Enrollment ID: I20050324001075

Medical Identifiers

Medical identifiers for Martin J Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851386429NPI-NPPES
6188958MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 52959 (Massachusetts)Secondary
208600000XSurgery 52959 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Carney HospitalBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Steward Medical Group Inc28606887281338

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. Martin J Williams allows following entities to bill medicare on his behalf.
Entity NameSteward Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629398219
PECOS PAC ID: 2860688728
Enrollment ID: O20101119000007
Entity NameSteward Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629398219
PECOS PAC ID: 2860688728
Enrollment ID: O20101119000332

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. Martin J Williams 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
Martin J Williams, MD
2100 Dorchester Ave,
Dorchester Center, MA 02124-5615

Ph: (617) 364-4380		Martin J Williams, MD
2100 Dorchester Ave,
Dorchester Center, MA 02124-5615

Ph: (617) 364-4380

Reviews and Comments


Surgery Doctors in Dorchester Center, MA

Dr. Morteza Morey Farizan, M.D.
Surgery
Medicare: Medicare Enrolled
Practice Location: 2110 Dorchester Ave, Seton Medical Building #209, Dorchester Center, MA 02124
Phone: 617-298-0481    Fax: 617-298-3358

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.