Dr Eleni Nicole Nackos, MD - Medicare Hematology/oncology in Scarborough, ME

Dr Eleni Nicole Nackos, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Scarborough, Maine. She graduated from medical school in 2010 and has 14 years of diverse experience with area of expertise as Hematology/oncology. She is a member of the group practice Maine Center For Cancer Medicine And Blood Disorders Pa, Maine Center For Cancer Medicine And Blood Disorders Pa and her current practice location is 100 Campus Dr Unit 108, Scarborough, Maine. You can reach out to her office (for appointments etc.) via phone at (207) 303-3300.

Dr Eleni Nicole Nackos is licensed to practice in Maine (license number MD21087) 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 1023339819.

Contact Information

Dr Eleni Nicole Nackos, MD
100 Campus Dr Unit 108,
Scarborough, ME 04074-7172
(207) 303-3300
(207) 250-2139

Map and Direction




Physician's Profile

Full NameDr Eleni Nicole Nackos
GenderFemale
SpecialityHematology/oncology
Experience14 Years
Location100 Campus Dr Unit 108, Scarborough, Maine
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 Eleni Nicole Nackos graduated from medical school in 2010
  NPI Data:
  • NPI Number: 1023339819
  • Provider Enumeration Date: 06/16/2010
  • Last Update Date: 08/31/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 8527287556
  • Enrollment ID: I20160603001608

Medical Identifiers

Medical identifiers for Dr Eleni Nicole Nackos such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023339819NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology MD21087 (Maine)Primary
207RH0003XInternal Medicine - Hematology & Oncology 20349 (New Hampshire)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Maine Medical CenterPortland, MEHospital
Southern Maine Health CareBiddeford, MEHospital
Northern Light Mercy HospitalPortland, MEHospital
Mid Coast HospitalBrunswick, MEHospital
Memorial Hospital, TheNorth conway, NHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Maine Center For Cancer Medicine And Blood Disorders Pa084019518644
Maine Center For Cancer Medicine And Blood Disorders Pa084019518644

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 Eleni Nicole Nackos allows following entities to bill medicare on her behalf.
Entity NameMaine Center For Cancer Medicine & Blood Disorders Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205896107
PECOS PAC ID: 0840195186
Enrollment ID: O20031201000458
Entity NameEastern Maine Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790789147
PECOS PAC ID: 2062315161
Enrollment ID: O20040128000088

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 Eleni Nicole Nackos 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 Eleni Nicole Nackos, MD
Po Box 911,
Brattleboro, VT 05302-0911

Ph: (207) 303-3200
Dr Eleni Nicole Nackos, MD
100 Campus Dr Unit 108,
Scarborough, ME 04074-7172

Ph: (207) 303-3300

Reviews and Comments


Internal Medicine Doctors in Scarborough, ME

Dr. Mary C. Fahrenbach, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 96 Campus Drive, Suite 1, Scarborough, ME 04074
Phone: 207-885-9905    Fax: 207-396-5600
Mark A Wrona, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 51 Us Route 1 Ste I, Scarborough, ME 04074
Phone: 207-303-3300    Fax: 207-250-2139
Dr. Mylan C. Cohen, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 96 Campus Drive, Suite 1, Scarborough, ME 04074
Phone: 207-885-9905    Fax: 207-396-5600
Mirle A Kellett, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 96 Campus Dr, Suite 1, Scarborough, ME 04074
Phone: 207-396-5611    
Dr. Warren D Alpern, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 96 Campus Dr, Suite 1, Scarborough, ME 04074
Phone: 207-396-5611    
Susan Miesfeldt, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 100 Campus Drive, Suite 110, Scarborough, ME 04074
Phone: 207-396-7678    Fax: 207-396-8766

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.