Mark J Brenner, MD - Medicare Radiation Oncology in Worcester, MA

Mark J Brenner, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Worcester, Massachusetts. He went to Tufts University School Of Medicine and graduated in 1981 and has 43 years of diverse experience with area of expertise as Radiation Oncology. He is a member of the group practice Saint Vincent Physician Services Inc and his current practice location is 20 Washington Sq, Worcester, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 363-6218.

Mark J Brenner is licensed to practice in Massachusetts (license number 54099) 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 1902873409.

Contact Information

Mark J Brenner, MD
20 Washington Sq,
Worcester, MA 01604-4013
(508) 363-6218
Not Available

Map and Direction




Physician's Profile

Full NameMark J Brenner
GenderMale
SpecialityRadiation Oncology
Experience43 Years
Location20 Washington Sq, Worcester, 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:
  • Mark J Brenner attended and graduated from Tufts University School Of Medicine in 1981
  NPI Data:
  • NPI Number: 1902873409
  • Provider Enumeration Date: 03/02/2006
  • Last Update Date: 05/11/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 7618877507
  • Enrollment ID: I20100609000419

Medical Identifiers

Medical identifiers for Mark J Brenner such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902873409NPI-NPPES
110085074AMedicaidMA
920004528OtherMDRR MEDICARE
168741700MedicaidMD
920007556OtherMDRAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology D0041640 (Maryland)Secondary
2085R0202XRadiology - Diagnostic Radiology 54099 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Vincent HospitalWorcester, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Saint Vincent Physician Services Inc892105627670

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. Mark J Brenner allows following entities to bill medicare on his behalf.
Entity NameSaint Vincent Physician Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013997329
PECOS PAC ID: 8921056276
Enrollment ID: O20050104000566

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. Mark J Brenner 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
Mark J Brenner, MD
20 Washington Sq,
Worcester, MA 01604-4013

Ph: (508) 363-6218
Mark J Brenner, MD
20 Washington Sq,
Worcester, MA 01604-4013

Ph: (508) 363-6218

Reviews and Comments


Radiology Doctors in Worcester, MA

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Dr. Elias H Salloum, M.D.
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Practice Location: 123 Summer St, Worcester, MA 01608
Phone: 508-363-6177    

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).

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