Dr Mariana S Markell, MD - Medicare Nephrology in Brooklyn, NY

Dr Mariana S Markell, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Brooklyn, New York. She went to New York Medical College and graduated in 1981 and has 43 years of diverse experience with area of expertise as Nephrology. She is a member of the group practice University Hospital Of Brooklyn Suny Downstate Health Sciences Univers and her current practice location is 450 Clarkson Ave, Suite A, Brooklyn, New York. You can reach out to her office (for appointments etc.) via phone at (718) 270-1585.

Dr Mariana S Markell is licensed to practice in New York (license number 151748-1) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1043204779.

Contact Information

Dr Mariana S Markell, MD
450 Clarkson Ave, Suite A,
Brooklyn, NY 11203-2056
(718) 270-1585
(718) 270-3327

Map and Direction




Physician's Profile

Full NameDr Mariana S Markell
GenderFemale
SpecialityNephrology
Experience43 Years
Location450 Clarkson Ave, Brooklyn, New York
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mariana S Markell attended and graduated from New York Medical College in 1981
  NPI Data:
  • NPI Number: 1043204779
  • Provider Enumeration Date: 09/08/2005
  • Last Update Date: 02/18/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 3870781073
  • Enrollment ID: I20110103000219

Medical Identifiers

Medical identifiers for Dr Mariana S Markell such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043204779NPI-NPPES
01081194MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology 151748-1 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Suny/downstate University Hospital Of BrooklynBrooklyn, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Hospital Of Brooklyn Suny Downstate Health Sciences Univers711331812295

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 Mariana S Markell allows following entities to bill medicare on her behalf.
Entity NameUniversity Physicians Of Brooklyn, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366506271
PECOS PAC ID: 0749192284
Enrollment ID: O20040401000120
Entity NameUniversity Hospital Of Brooklyn Suny Downstate Health Sciences Univers
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396318986
PECOS PAC ID: 7113318122
Enrollment ID: O20220207001135

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 Mariana S Markell 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 Mariana S Markell, MD
450 Clarkson Ave, Box 1262,
Brooklyn, NY 11203-2056

Ph: (718) 270-8867
Dr Mariana S Markell, MD
450 Clarkson Ave, Suite A,
Brooklyn, NY 11203-2056

Ph: (718) 270-1585

Reviews and Comments


Internal Medicine Doctors in Brooklyn, NY

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Yanjin Yang,
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Ashwad Afzal, M.D.
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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.