Dr Leyda Pennyna Callejas, MD - Medicare Endocrinology in Brooklyn, NY

Dr Leyda Pennyna Callejas, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Brooklyn, New York. She graduated from medical school in 2008 and has 16 years of diverse experience with area of expertise as Endocrinology. She is a member of the group practice Kings Physician Services Pc and her current practice location is 506 6th St, Department Of Internal Medicine, Brooklyn, New York. You can reach out to her office (for appointments etc.) via phone at (718) 780-5246.

Dr Leyda Pennyna Callejas is licensed to practice in New York (license number 278322-1) 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 1750687059.

Contact Information

Dr Leyda Pennyna Callejas, MD
506 6th St, Department Of Internal Medicine,
Brooklyn, NY 11215-3609
(718) 780-5246
(718) 780-3259



Physician's Profile

Full NameDr Leyda Pennyna Callejas
GenderFemale
SpecialityEndocrinology
Experience16 Years
Location506 6th 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:
  • Dr Leyda Pennyna Callejas graduated from medical school in 2008
  NPI Data:
  • NPI Number: 1750687059
  • Provider Enumeration Date: 02/03/2011
  • Last Update Date: 12/02/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 4789997644
  • Enrollment ID: I20150721001815

Medical Identifiers

Medical identifiers for Dr Leyda Pennyna Callejas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1750687059NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 278322-1 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
New York-presbyterian HospitalNew york, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Kings Physician Services Pc0547579427481

News Archive

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Functional diffusion map measures effectiveness of treatment for prostate cancer

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Max Planck Institute researchers find protein profiles of DNA repair

During each cell division, more than 3.3 billion base pairs of genomic DNA have to be duplicated and segregated accurately to daughter cells. But what happens when the DNA template is damaged in such a way that the replication machinery gets stuck? To answer this question, scientists in the team of Matthias Mann at the Max Planck Institute of Biochemistry in Martinsried near Munich, with colleagues in Copenhagen and at Harvard, have analyzed how the protein composition of the DNA replication machinery changes upon encountering damaged DNA.

Read more Medical News

› Verified 1 days ago

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 Leyda Pennyna Callejas allows following entities to bill medicare on her behalf.
Entity NameKings Physician Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083045090
PECOS PAC ID: 0547579427
Enrollment ID: O20151015000175

News Archive

Lab-established diagnosis necessary for treatment of patients with persistent diarrhea

Persistent diarrhea, which is diarrhea that lasts at least 14 days, is an illness typically caused by parasites or bacteria and requires accurate diagnosis in order to determine what treatment to give, according to Herbert L. DuPont, M.D., director of the Center for Infectious Diseases at The University of Texas Health Science Center at Houston School of Public Health.

Functional diffusion map measures effectiveness of treatment for prostate cancer

Researchers at the University of Michigan Comprehensive Cancer Center have identified a new imaging technique that can measure the effectiveness of treatment for prostate cancer that has spread to the bones.

BRINAVESS IV granted marketing approval in EU for conversion of recent onset AF to sinus rhythm

MSD and Cardiome Pharma Corp. today announced that the intravenous (IV) formulation of BRINAVESS™ (vernakalant) has been granted marketing approval in the European Union (EU), Iceland and Norway for the conversion of recent onset atrial fibrillation (AF) to sinus rhythm in adults.

Max Planck Institute researchers find protein profiles of DNA repair

During each cell division, more than 3.3 billion base pairs of genomic DNA have to be duplicated and segregated accurately to daughter cells. But what happens when the DNA template is damaged in such a way that the replication machinery gets stuck? To answer this question, scientists in the team of Matthias Mann at the Max Planck Institute of Biochemistry in Martinsried near Munich, with colleagues in Copenhagen and at Harvard, have analyzed how the protein composition of the DNA replication machinery changes upon encountering damaged DNA.

Read more Medical News

› Verified 1 days ago

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 Leyda Pennyna Callejas 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 Leyda Pennyna Callejas, MD
506 6th St Dept Of,
Brooklyn, NY 11215-3609

Ph: (718) 780-5246
Dr Leyda Pennyna Callejas, MD
506 6th St, Department Of Internal Medicine,
Brooklyn, NY 11215-3609

Ph: (718) 780-5246

News Archive

Lab-established diagnosis necessary for treatment of patients with persistent diarrhea

Persistent diarrhea, which is diarrhea that lasts at least 14 days, is an illness typically caused by parasites or bacteria and requires accurate diagnosis in order to determine what treatment to give, according to Herbert L. DuPont, M.D., director of the Center for Infectious Diseases at The University of Texas Health Science Center at Houston School of Public Health.

Functional diffusion map measures effectiveness of treatment for prostate cancer

Researchers at the University of Michigan Comprehensive Cancer Center have identified a new imaging technique that can measure the effectiveness of treatment for prostate cancer that has spread to the bones.

BRINAVESS IV granted marketing approval in EU for conversion of recent onset AF to sinus rhythm

MSD and Cardiome Pharma Corp. today announced that the intravenous (IV) formulation of BRINAVESS™ (vernakalant) has been granted marketing approval in the European Union (EU), Iceland and Norway for the conversion of recent onset atrial fibrillation (AF) to sinus rhythm in adults.

Max Planck Institute researchers find protein profiles of DNA repair

During each cell division, more than 3.3 billion base pairs of genomic DNA have to be duplicated and segregated accurately to daughter cells. But what happens when the DNA template is damaged in such a way that the replication machinery gets stuck? To answer this question, scientists in the team of Matthias Mann at the Max Planck Institute of Biochemistry in Martinsried near Munich, with colleagues in Copenhagen and at Harvard, have analyzed how the protein composition of the DNA replication machinery changes upon encountering damaged DNA.

Read more News

› Verified 1 days ago


Internal Medicine Doctors in Brooklyn, NY

Dr. Alexander Usorov, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 447 Atlantic Ave, Brooklyn, NY 11217
Phone: 718-858-6300    
Dr. Marcellus Andre Walker, MD
Endocrinology, Diabetes & Metabolism
Medicare: May Accept Medicare Assignments
Practice Location: 2094 Pitkin Ave, Brooklyn, NY 11207
Phone: 718-240-0516    Fax: 718-240-0564
Lotus Ahmed, D.O
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 518 Mcdonald Ave, Brooklyn, NY 11218
Phone: 917-848-5432    Fax: 347-252-6754
Mrs. Sophia Schwartzman, MD
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 2700 Ocean Avenue, Brooklyn, NY 11229
Phone: 518-587-1141    
Dr. Haitham M Ahmed, MD, MPH
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 101 Pennsylvania Avenue, Brooklyn, NY 11207
Phone: 718-240-2000    Fax: 718-240-2260
Yanjin Yang,
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 506 6th St, Brooklyn, NY 11215
Phone: 718-780-3000    
Ashwad Afzal, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Medicare Enrolled
Practice Location: 506 6th St, Brooklyn, NY 11215
Phone: 718-780-5246    

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