Sami Atassi, MD - Medicare Hematology/oncology in Michigan City, IN

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Sami Atassi, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Michigan City, Indiana. He graduated from medical school in 1985 and has 39 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Cook County, Beacon Medical Group Inc and his current practice location is 8955 W 400 N, Michigan City, Indiana. You can reach out to his office (for appointments etc.) via phone at (219) 861-5800.

Sami Atassi is licensed to practice in Indiana (license number 01060203A) 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 1801830534.

Contact Information

Sami Atassi, MD
8955 W 400 N,
Michigan City, IN 46360-9330
(219) 861-5800
(219) 861-5543

Map and Direction




Physician's Profile

Full NameSami Atassi
GenderMale
SpecialityHematology/oncology
Experience39 Years
Location8955 W 400 N, Michigan City, Indiana
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:
  • Sami Atassi graduated from medical school in 1985
  NPI Data:
  • NPI Number: 1801830534
  • Provider Enumeration Date: 06/15/2006
  • Last Update Date: 04/11/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 0042276669
  • Enrollment ID: I20041207000100

Medical Identifiers

Medical identifiers for Sami Atassi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1801830534NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0000XInternal Medicine - Hematology 47734 (Iowa)Secondary
207RH0003XInternal Medicine - Hematology & Oncology 036.091724 (Illinois)Secondary
207RH0003XInternal Medicine - Hematology & Oncology 01060203A (Indiana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Memorial Hospital Of South BendSouth bend, INHospital
John H Stroger Jr HospitalChicago, ILHospital
Elkhart General HospitalElkhart, INHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cook County2860398088619
Beacon Medical Group Inc1254243306452

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. Sami Atassi allows following entities to bill medicare on his behalf.
Entity NameRockford Health Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043242886
PECOS PAC ID: 2567374036
Enrollment ID: O20031103000584
Entity NameMidwest Neoped Associates Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396792180
PECOS PAC ID: 9234033945
Enrollment ID: O20031124000719
Entity NameSpringfield Clinic Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215974415
PECOS PAC ID: 0547166076
Enrollment ID: O20031208000403
Entity NameCook County
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588612832
PECOS PAC ID: 2860398088
Enrollment ID: O20031209000747
Entity NameSarah Bush Lincoln Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669564662
PECOS PAC ID: 5092614867
Enrollment ID: O20031231000478
Entity NameSpringfield Clinic Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780638478
PECOS PAC ID: 0547166076
Enrollment ID: O20040331000826
Entity NameSami Atassi Md Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821113234
PECOS PAC ID: 4880650498
Enrollment ID: O20041206000776
Entity NameHshs Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962644807
PECOS PAC ID: 5092857821
Enrollment ID: O20100116000275

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. Sami Atassi 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
Sami Atassi, MD
Po Box 781076 Ste 400,
Detroit, MI 48278-0001

Ph: (317) 528-4800		Sami Atassi, MD
8955 W 400 N,
Michigan City, IN 46360-9330

Ph: (219) 861-5800

Reviews and Comments


Internal Medicine Doctors in Michigan City, IN

Dr. Kamel Sadat,
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 3500 Franciscan Way Ste 400, Michigan City, IN 46360
Phone: 219-878-8200    Fax: 219-879-8331
Dr. Vidya Kora, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 3723 Franklin St, Michigan City, IN 46360
Phone: 219-874-3313    Fax: 219-878-2330
John S Kelly, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 710 Franklin St, Suite 200, Michigan City, IN 46360
Phone: 219-872-6200    Fax: 219-879-2915
Naseer H Nasser, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 3500 Franciscan Way Ste 400, Michigan City, IN 46360
Phone: 219-878-8200    Fax: 219-879-8331
Kirby Douglas Slifer, DO
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 301 W Homer St, Michigan City, IN 46360
Phone: 219-879-8511    
Dr. Brian Paul Dickover, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 3500 Franciscan Way Ste 400, Michigan City, IN 46360
Phone: 219-861-8785    Fax: 219-861-8789
Bikash Agarwal, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 8733 W 400 N, Michigan City, IN 46360
Phone: 219-879-0333    Fax: 219-879-0325

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.