Delna Mary John, MD - Medicare Emergency Medicine in Brooklyn, NY

Delna Mary John, MD is a medicare enrolled "Emergency Medicine" physician in Brooklyn, New York. She went to Eastern Virginia Medical School and graduated in 2016 and has 8 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Trustees Of Columbia University In The City Of New York and her current practice location is 450 Clarkson Ave, Brooklyn, New York. You can reach out to her office (for appointments etc.) via phone at (917) 544-4787.

Delna Mary John is licensed to practice in New York (license number 304811) 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 1710340567.

Contact Information

Delna Mary John, MD
450 Clarkson Ave,
Brooklyn, NY 11203-2012
(917) 544-4787
Not Available

Map and Direction




Physician's Profile

Full NameDelna Mary John
GenderFemale
SpecialityEmergency Medicine
Experience8 Years
Location450 Clarkson Ave, 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:
  • Delna Mary John attended and graduated from Eastern Virginia Medical School in 2016
  NPI Data:
  • NPI Number: 1710340567
  • Provider Enumeration Date: 03/30/2016
  • Last Update Date: 08/09/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8628496601
  • Enrollment ID: I20200909000558

Medical Identifiers

Medical identifiers for Delna Mary John such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1710340567NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 304811 (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
Trustees Of Columbia University In The City Of New York85279725461895

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. Delna Mary John 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
Entity NameTrustees Of Columbia University In The City Of New York
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508266347
PECOS PAC ID: 8527972546
Enrollment ID: O20151201002613

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. Delna Mary John 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
Delna Mary John, MD
150 E 44th St Apt 50b,
New York, NY 10017-4084

Ph: (917) 544-4787
Delna Mary John, MD
450 Clarkson Ave,
Brooklyn, NY 11203-2012

Ph: (917) 544-4787

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.