Dr Leo Zacharias, MD - Medicare Internal Medicine in Darby, PA

Dr Leo Zacharias, MD is a medicare enrolled "Internal Medicine" physician in Darby, Pennsylvania. He graduated from medical school in 1989 and has 35 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Mercy Management Of Southeastern Pennsylvania, Mercy Catholic Medical Center Of Southeastern Pa, Trinity Health Mid-atlantic Medical Group and his current practice location is 1501 Lansdowne Ave Fl Mob1, Darby, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (610) 534-6310.

Dr Leo Zacharias is licensed to practice in Pennsylvania (license number MD050467) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1346221777.

Contact Information

Dr Leo Zacharias, MD
1501 Lansdowne Ave Fl Mob1,
Darby, PA 19023-1333
(610) 534-6310
Not Available

Map and Direction




Physician's Profile

Full NameDr Leo Zacharias
GenderMale
SpecialityInternal Medicine
Experience35 Years
Location1501 Lansdowne Ave Fl Mob1, Darby, Pennsylvania
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Leo Zacharias graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1346221777
  • Provider Enumeration Date: 11/11/2005
  • Last Update Date: 05/19/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6709875024
  • Enrollment ID: I20040511000562

Medical Identifiers

Medical identifiers for Dr Leo Zacharias such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346221777NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD050467 (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Home HealthSpringfield, PAHome health agency
Mercy Catholic Medical Center- Mercy FitzgeraldDarby, PAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Management Of Southeastern Pennsylvania145626597489
Mercy Catholic Medical Center Of Southeastern Pa36784765614
Trinity Health Mid-atlantic Medical Group7416861885333

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 Leo Zacharias allows following entities to bill medicare on his behalf.
Entity NameMercy Management Of Southeastern Pennsylvania
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427573492
PECOS PAC ID: 1456265974
Enrollment ID: O20040309000333
Entity NameTrinity Health Mid-atlantic Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093771271
PECOS PAC ID: 7416861885
Enrollment ID: O20040326000613
Entity NameMercy Catholic Medical Center Of Southeastern Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437130705
PECOS PAC ID: 3678476561
Enrollment ID: O20040408000889

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 Leo Zacharias 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 Leo Zacharias, MD
41 University Dr Ste 106,
Newtown, PA 18940-1873

Ph: () -
Dr Leo Zacharias, MD
1501 Lansdowne Ave Fl Mob1,
Darby, PA 19023-1333

Ph: (610) 534-6310

Reviews and Comments


Internal Medicine Doctors in Darby, PA

Dr. William B Mcnamee Jr., M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1503 Lansdowne Ave, Suite 3010, Darby, PA 19023
Phone: 610-237-5817    Fax: 610-237-5802
Dr. Andrew W Mcginnis, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1501 Lansdowne Ave, Suite 104, Darby, PA 19023
Phone: 610-534-6150    
Dr. Michael Kevin Mcgarry Jr., M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1500 Lansdowne Ave, Darby, PA 19023
Phone: 610-237-4000    
Dhruvan Nimish Patel, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1500 Lansdowne Ave, Darby, PA 19023
Phone: 610-237-4000    
Dr. Kevin Ernest Leahy, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1500 Lansdowne Ave, Darby, PA 19023
Phone: 610-237-4000    
Sohiel Deshpande, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1500 Lansdowne Ave, Darby, PA 19023
Phone: 610-237-4000    
Celsus Iegbeojai Ebba, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 869 Main St, Darby, PA 19023
Phone: 610-461-2440    Fax: 610-461-2475

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.