Elizabeth Guevara, MD - Medicare Internal Medicine in Brooklyn, NY

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Elizabeth Guevara, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Brooklyn, New York. Her current practice location is 240 Willoughby St, 5th Fls, Brooklyn, New York. You can reach out to her office (for appointments etc.) via phone at (718) 250-6960.

Elizabeth Guevara is licensed to practice in New York (license number 167703) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1902858756.

Contact Information

Elizabeth Guevara, MD
240 Willoughby St, 5th Fls,
Brooklyn, NY 11201
(718) 250-6960
(718) 250-6493

Map and Direction




Physician's Profile

Full NameElizabeth Guevara
GenderFemale
SpecialityInternal Medicine - Hematology & Oncology
Location240 Willoughby St, Brooklyn, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1902858756
  • Provider Enumeration Date: 05/17/2006
  • Last Update Date: 09/23/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 3173514346
  • Enrollment ID: I20040518001453

Medical Identifiers

Medical identifiers for Elizabeth Guevara such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902858756NPI-NPPES
01844944MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 167703 (New York)Secondary
207RH0003XInternal Medicine - Hematology & Oncology 167703 (New York)Primary
207RH0000XInternal Medicine - Hematology 167703 (New York)Secondary
207RX0202XInternal Medicine - Medical Oncology 167703 (New York)Secondary

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. Elizabeth Guevara allows following entities to bill medicare on her behalf.
Entity NameIcahn School Of Medicine At Mount Sinai
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609120674
PECOS PAC ID: 8224282926
Enrollment ID: O20130205000439

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. Elizabeth Guevara 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
Elizabeth Guevara, MD
18116 Henley Rd,
Jamaica, NY 11432-2307

Ph: (718) 250-6960		Elizabeth Guevara, MD
240 Willoughby St, 5th Fls,
Brooklyn, NY 11201

Ph: (718) 250-6960

Reviews and Comments


Internal Medicine Doctors in Brooklyn, NY

Dr. Alexander Usorov, MD
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Practice Location: 447 Atlantic Ave, Brooklyn, NY 11217
Phone: 718-858-6300    
Dr. Marcellus Andre Walker, MD
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Practice Location: 2094 Pitkin Ave, Brooklyn, NY 11207
Phone: 718-240-0516    Fax: 718-240-0564
Lotus Ahmed, D.O
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Practice Location: 518 Mcdonald Ave, Brooklyn, NY 11218
Phone: 917-848-5432    Fax: 347-252-6754
Mrs. Sophia Schwartzman, MD
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Practice Location: 2700 Ocean Avenue, Brooklyn, NY 11229
Phone: 518-587-1141    
Dr. Haitham M Ahmed, MD, MPH
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Practice Location: 101 Pennsylvania Avenue, Brooklyn, NY 11207
Phone: 718-240-2000    Fax: 718-240-2260
Yanjin Yang,
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Practice Location: 506 6th St, Brooklyn, NY 11215
Phone: 718-780-3000    
Ashwad Afzal, M.D.
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Medicare: Medicare Enrolled
Practice Location: 506 6th St, Brooklyn, NY 11215
Phone: 718-780-5246    

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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