Elizabeth Sarah Hammer, MD - Medicare Nephrology in Brooklyn, NY

Elizabeth Sarah Hammer, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Brooklyn, New York. She went to Icahn School Of Medicine At Mount Sinai and graduated in 2011 and has 13 years of diverse experience with area of expertise as Nephrology. She is a member of the group practice New York University and her current practice location is 6740 4th Ave Fl 3, Brooklyn, New York. You can reach out to her office (for appointments etc.) via phone at (929) 455-2000.

Elizabeth Sarah Hammer is licensed to practice in New York (license number 268356) 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 1104117340.

Contact Information

Elizabeth Sarah Hammer, MD
6740 4th Ave Fl 3,
Brooklyn, NY 11220-5350
(929) 455-2000
Not Available

Map and Direction




Physician's Profile

Full NameElizabeth Sarah Hammer
GenderFemale
SpecialityNephrology
Experience13 Years
Location6740 4th Ave Fl 3, Brooklyn, 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:
  • Elizabeth Sarah Hammer attended and graduated from Icahn School Of Medicine At Mount Sinai in 2011
  NPI Data:
  • NPI Number: 1104117340
  • Provider Enumeration Date: 04/21/2011
  • Last Update Date: 04/09/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3870888613
  • Enrollment ID: I20160818001509

Medical Identifiers

Medical identifiers for Elizabeth Sarah Hammer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104117340NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology 268356 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Bayridge Sunset Pk Dialysis CtrBrooklyn, NYDialysis facility
New York University Langone Medical CenterNew york, NYHospital

Group Practice Association

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

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 Sarah Hammer 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

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 Sarah Hammer 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 Sarah Hammer, MD
550 1st Ave,
New York, NY 10016-6402

Ph: () -
Elizabeth Sarah Hammer, MD
6740 4th Ave Fl 3,
Brooklyn, NY 11220-5350

Ph: (929) 455-2000

Reviews and Comments


Internal Medicine Doctors in Brooklyn, NY

Dr. Alexander Usorov, MD
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Dr. Marcellus Andre Walker, MD
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Phone: 718-240-0516    Fax: 718-240-0564
Lotus Ahmed, D.O
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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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Medicare: Accepting Medicare Assignments
Practice Location: 101 Pennsylvania Avenue, Brooklyn, NY 11207
Phone: 718-240-2000    Fax: 718-240-2260
Yanjin Yang,
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Medicare: Accepting Medicare Assignments
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).

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.