Ansar Hassan, MD - Medicare Cardiac Surgery in Portland, ME

Ansar Hassan, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Portland, Maine. He graduated from medical school in 1998 and has 26 years of diverse experience with area of expertise as Cardiac Surgery. He is a member of the group practice Mainehealth and his current practice location is 818 Congress St, Portland, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 773-8161.

Ansar Hassan is licensed to practice in Maine (license number MD24930) 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 1689859332.

Contact Information

Ansar Hassan, MD
818 Congress St,
Portland, ME 04102-3112
(207) 773-8161
(207) 773-1489

Map and Direction




Physician's Profile

Full NameAnsar Hassan
GenderMale
SpecialityCardiac Surgery
Experience26 Years
Location818 Congress St, Portland, Maine
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:
  • Ansar Hassan graduated from medical school in 1998
  NPI Data:
  • NPI Number: 1689859332
  • Provider Enumeration Date: 12/31/2007
  • Last Update Date: 07/01/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 4284718131
  • Enrollment ID: I20210927001160

Medical Identifiers

Medical identifiers for Ansar Hassan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689859332NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) MD24930 (Maine)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Maine Medical CenterPortland, MEHospital
Penobscot Bay Medical CenterRockport, MEHospital
Waldo County General HospitalBelfast, MEHospital
Southern Maine Health CareBiddeford, MEHospital
Maine General Medical CenterAugusta, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mainehealth75178605882109

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. Ansar Hassan allows following entities to bill medicare on his behalf.
Entity NameMaine Medical Partners
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285738310
PECOS PAC ID: 9335043967
Enrollment ID: O20040525000396
Entity NameMainehealth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790265502
PECOS PAC ID: 7517860588
Enrollment ID: O20040701000166

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. Ansar Hassan 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
Ansar Hassan, MD
1 Usher Court,
Rothesay, NEW BRUNSWICK E2E6A-4

Ph: () -
Ansar Hassan, MD
818 Congress St,
Portland, ME 04102-3112

Ph: (207) 773-8161

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Portland, ME

Seth D Blank, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 144 State St, Third Floor, Portland, ME 04101
Phone: 207-879-3120    Fax: 207-879-3127
Dr. Ziyad Mohammed S Binsalamah, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 818 Congress St, Portland, ME 04102
Phone: 207-773-8161    
Robert S Kramer, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 818 Congress St, Portland, ME 04102
Phone: 207-773-8161    Fax: 207-773-1489
Cristian Rosu, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 22 Bramhall St, Portland, ME 04102
Phone: 207-662-0111    
Madison Grace Dobecki, PA-C
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 22 Bramhall St, Portland, ME 04102
Phone: 207-662-0111    
Ms. Jennifer Alice Kole, PA-C
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 22 Bramhall St, Portland, ME 04102
Phone: 207-662-0111    

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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