Dr Marisa Siebel, MD - Medicare Medical Oncology in New Hyde Park, NY

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Dr Marisa Siebel, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in New Hyde Park, New York. She graduated from medical school in 2000 and has 24 years of diverse experience with area of expertise as Medical Oncology. She is a member of the group practice North Shore Health System Medical Faculty Group Practice Inc and her current practice location is 450 Lakeville Rd, New Hyde Park, New York. You can reach out to her office (for appointments etc.) via phone at (516) 734-7671.

Dr Marisa Siebel is licensed to practice in New York (license number 240929) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1942303094.

Contact Information

Dr Marisa Siebel, MD
450 Lakeville Rd,
New Hyde Park, NY 11042-1118
(516) 734-7671
Not Available

Map and Direction




Physician's Profile

Full NameDr Marisa Siebel
GenderFemale
SpecialityMedical Oncology
Experience24 Years
Location450 Lakeville Rd, New Hyde Park, New York
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Marisa Siebel graduated from medical school in 2000
  NPI Data:
  • NPI Number: 1942303094
  • Provider Enumeration Date: 09/06/2006
  • Last Update Date: 09/14/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 0840396412
  • Enrollment ID: I20070430000019

Medical Identifiers

Medical identifiers for Dr Marisa Siebel such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942303094NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RX0202XInternal Medicine - Medical Oncology 240929 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hospice Care Of Long Island, Queens, South ShoreWoodbury, NYHospice
Long Island Jewish Medical CenterNew hyde park, NYHospital
North Shore University HospitalManhasset, NYHospital
Ns/lij Hs Huntington HospitalHuntington, NYHospital
Ns/lij Hs Southside HospitalBay shore, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North Shore Health System Medical Faculty Group Practice Inc8022417328116

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. Dr Marisa Siebel allows following entities to bill medicare on her behalf.
Entity NameMskcc Regional Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740251297
PECOS PAC ID: 6608765144
Enrollment ID: O20040312000936
Entity NameMemorial Solid Tumor Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699746172
PECOS PAC ID: 4082503354
Enrollment ID: O20040313000668
Entity NameNorth Shore - Lij Medical Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053688572
PECOS PAC ID: 3375701568
Enrollment ID: O20120220000262
Entity NameNorth Shore Health System Medical Faculty Group Practice Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003409061
PECOS PAC ID: 8022417328
Enrollment ID: O20210518002265

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. Dr Marisa Siebel 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
Dr Marisa Siebel, MD
440 Main Street, Northwell Health Cancer Institute, Imbert Cancer Center,
Bay Shore, NY 11706

Ph: (631) 734-7671		Dr Marisa Siebel, MD
450 Lakeville Rd,
New Hyde Park, NY 11042-1118

Ph: (516) 734-7671

Reviews and Comments


Internal Medicine Doctors in New Hyde Park, NY

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Michael Xin Chen, M.D.
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Phone: 718-470-3377    

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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