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

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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 28 years of diverse experience with area of expertise as Cardiac Surgery. He is a member of the group practice Mainehealth, Central Maine Medical Center 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
Experience28 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
Mainehealth Home Health And Hospice Saco, MEHome health agency
Mainehealth Maine Medical CenterPortland, MEHospital
Mainehealth Mid Coast HospitalBrunswick, MEHospital
Mainegeneral Medical CenterAugusta, MEHospital
Mainehealth Pen Bay HospitalRockport, MEHospital
Central Maine Medical CenterLewiston, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mainehealth75178605882616
Central Maine Medical Center2567379563344

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 NameCentral Maine Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689653487
PECOS PAC ID: 2567379563
Enrollment ID: O20040324000441
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: Not Available		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

Dr. Walter F Denino, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 818 Congress St, Portland, ME 04102
Phone: 207-773-8161    Fax: 207-773-1489
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: Accepting Medicare Assignments
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    
Dr. Jeremy Richard Morton Sr., M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 75 Vaughan St, Portland, ME 04102
Phone: 207-838-0747    

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.

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