Claire Kiefer, RN, FNP - Medicare Nurse Practitioner in Brooklyn, NY

Claire Kiefer, RN, FNP is a medicare enrolled "Nurse Practitioner - Family" in Brooklyn, New York. She went to University Of Missouri, Columbia School Of Medicine and graduated in 2016 and has 8 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Nyu Langone Hospitals and her current practice location is 514 49th St, Brooklyn, New York. You can reach out to her office (for appointments etc.) via phone at (718) 437-5280.

Claire Kiefer is licensed to practice in New York (license number F340252-1) 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 1407239635.

Contact Information

Claire Kiefer, RN, FNP
514 49th St,
Brooklyn, NY 11220-2010
(718) 437-5280
(718) 436-7810

Map and Direction




Provider's Profile

Full NameClaire Kiefer
GenderFemale
SpecialityNurse Practitioner
Experience8 Years
Location514 49th St, 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:
  • Claire Kiefer attended and graduated from University Of Missouri, Columbia School Of Medicine in 2016
  NPI Data:
  • NPI Number: 1407239635
  • Provider Enumeration Date: 07/07/2015
  • Last Update Date: 08/10/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3577842558
  • Enrollment ID: I20161115001195

Medical Identifiers

Medical identifiers for Claire Kiefer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407239635NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family F340252-1 (New York)Primary
163W00000XRegistered Nurse 671971 (New York)Secondary

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
Nyu Langone Hospitals4981515699206

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. Claire Kiefer allows following entities to bill medicare on her behalf.
Entity NameNyu Langone Hospitals
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790975944
PECOS PAC ID: 4981515699
Enrollment ID: O20050721000058

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. Claire Kiefer 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
Claire Kiefer, RN, FNP
514 49th St,
Brooklyn, NY 11220-2010

Ph: (718) 877-7957
Claire Kiefer, RN, FNP
514 49th St,
Brooklyn, NY 11220-2010

Ph: (718) 437-5280

Reviews and Comments


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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.