Evangelos Messaris, MD, PHD - Medicare General Surgery in Boston, MA

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Evangelos Messaris, MD, PHD is a medicare enrolled "Colon & Rectal Surgery" physician in Boston, Massachusetts. He graduated from medical school in 1999 and has 27 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Atrius Health Inc, Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc and his current practice location is 330 Brookline Ave # 6, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 667-4159.

Evangelos Messaris is licensed to practice in Massachusetts (license number 276936) 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 1689892481.

Contact Information

Evangelos Messaris, MD, PHD
330 Brookline Ave # 6,
Boston, MA 02215
(617) 667-4159
Not Available

Map and Direction




Physician's Profile

Full NameEvangelos Messaris
GenderMale
SpecialityGeneral Surgery
Experience27 Years
Location330 Brookline Ave # 6, Boston, 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:
  • Evangelos Messaris graduated from medical school in 1999
  NPI Data:
  • NPI Number: 1689892481
  • Provider Enumeration Date: 04/24/2007
  • Last Update Date: 09/05/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 8820268139
  • Enrollment ID: I20180924002763

Medical Identifiers

Medical identifiers for Evangelos Messaris such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689892481NPI-NPPES
102617610MedicaidPA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208C00000XColon & Rectal Surgery MD440587 (Pennsylvania)Secondary
208C00000XColon & Rectal Surgery MT197896 (Pennsylvania)Secondary
208C00000XColon & Rectal Surgery 276936 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Beth Israel Deaconess Medical CenterBoston, MAHospital
Beth Israel Deaconess Hospital - NeedhamNeedham, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Atrius Health Inc47895886411214
Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc44865671041693

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. Evangelos Messaris allows following entities to bill medicare on his behalf.
Entity NameAtrius Health Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871639914
PECOS PAC ID: 4789588641
Enrollment ID: O20031121000582
Entity NameHarvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720037385
PECOS PAC ID: 4486567104
Enrollment ID: O20031203000426
Entity NameHarvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194765438
PECOS PAC ID: 4486567104
Enrollment ID: O20031204000918
Entity NameBeth Israel Deaconess Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548202641
PECOS PAC ID: 8123936119
Enrollment ID: O20041001000827

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. Evangelos Messaris 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
Evangelos Messaris, MD, PHD
330 Brookline Ave # 6,
Boston, MA 02215-5400

Ph: (617) 667-4159		Evangelos Messaris, MD, PHD
330 Brookline Ave # 6,
Boston, MA 02215

Ph: (617) 667-4159

Reviews and Comments



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.