Dr Mary Kathleen O'keeffe, MD - Medicare Hematology/oncology in Mineola, NY

Dr Mary Kathleen O'keeffe, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Mineola, New York. She graduated from medical school in 2006 and has 18 years of diverse experience with area of expertise as Hematology/oncology. She is a member of the group practice New York University and her current practice location is 200 Old Country Rd, Suite 450, Mineola, New York. You can reach out to her office (for appointments etc.) via phone at (516) 663-9500.

Dr Mary Kathleen O'keeffe is licensed to practice in New York (license number 266834) 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 1881945541.

Contact Information

Dr Mary Kathleen O'keeffe, MD
200 Old Country Rd, Suite 450,
Mineola, NY 11501-4235
(516) 663-9500
(516) 663-4613



Physician's Profile

Full NameDr Mary Kathleen O'keeffe
GenderFemale
SpecialityHematology/oncology
Experience18 Years
Location200 Old Country Rd, Mineola, 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 Mary Kathleen O'keeffe graduated from medical school in 2006
  NPI Data:
  • NPI Number: 1881945541
  • Provider Enumeration Date: 09/20/2012
  • Last Update Date: 03/10/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 4385894112
  • Enrollment ID: I20121101000074

Medical Identifiers

Medical identifiers for Dr Mary Kathleen O'keeffe such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1881945541NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 266834 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
New York University Langone Medical CenterNew york, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
New York University13552324224431

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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 Mary Kathleen O'keeffe allows following entities to bill medicare on her behalf.
Entity NameNew York University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285826438
PECOS PAC ID: 1355232422
Enrollment ID: O20090822000026

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Entity NameWinthrop Community Medical Affiliates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457873077
PECOS PAC ID: 5698092385
Enrollment ID: O20150317001669

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Harvard Medical School and BIDMC professor delivered Solomon A. Berson Distinguished Lectureship

Christos Mantzoros, MD, DSc, Professor of Medicine at Harvard Medical School and Beth Israel Deaconess Medical Center, delivered the Solomon A. Berson Distinguished Lectureship at the annual meeting of the Federation of American Societies for Experimental Biology held earlier this month in Washington, DC.

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Read more Medical News

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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 Mary Kathleen O'keeffe 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 Mary Kathleen O'keeffe, MD
200 0ld Country Road, 450,
Mineola, NY 11501

Ph: () -
Dr Mary Kathleen O'keeffe, MD
200 Old Country Rd, Suite 450,
Mineola, NY 11501-4235

Ph: (516) 663-9500

News Archive

Hopkins discovery provides molecular marker to assess risk for patients with papillary thyroid cancer

Scientists at Johns Hopkins have found that a mutation in the gene that triggers production of a tumor growth protein is linked to poorer outcomes for patients with papillary thyroid cancer (PTC).

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Internal Medicine Doctors in Mineola, NY

Dr. Marlene Martins Lobato, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 173 Mineola Blvd, Suite 403, Mineola, NY 11501
Phone: 516-741-8891    Fax: 516-741-8829
Michael Garrison, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 200 Old Country Rd, Suite 450, Mineola, NY 11501
Phone: 516-663-9500    Fax: 516-663-4613
Dr. Anupama Ananda, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 190 Willis Ave, Suite 210, Mineola, NY 11501
Phone: 516-739-7290    Fax: 516-793-7291
Mr. Jeffrey Liu, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 297 Mineola Blvd, Mineola, NY 11501
Phone: 516-294-1377    Fax: 516-294-5574
Dr. Jonathan Shulman, D.O.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 259 1st St, Mineola, NY 11501
Phone: 516-663-2381    
John I Hogan, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 222 Station Plz N Ste 432, Mineola, NY 11501
Phone: 516-663-2507    
Dr. Anthony Massimillo, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 300 Old Country Rd Ste 31, Mineola, NY 11501
Phone: 516-294-9380    Fax: 516-294-5351

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