Erik Leroy Zeger, MD - Medicare Medical Oncology in Wynnewood, PA

Erik Leroy Zeger, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Wynnewood, Pennsylvania. He went to Hahnemann University College Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Medical Oncology. He is a member of the group practice Alliance Cancer Specialists and his current practice location is 100 Lancaster Ave, Main Line Oncology Hematology Associates, Wynnewood, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (610) 645-2494.

Erik Leroy Zeger is licensed to practice in Pennsylvania (license number MD425881) 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 1639188659.

Contact Information

Erik Leroy Zeger, MD
100 Lancaster Ave, Main Line Oncology Hematology Associates,
Wynnewood, PA 19096
(610) 645-2494
(610) 645-4456

Map and Direction




Physician's Profile

Full NameErik Leroy Zeger
GenderMale
SpecialityMedical Oncology
Experience25 Years
Location100 Lancaster Ave, Wynnewood, 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:
  • Erik Leroy Zeger attended and graduated from Hahnemann University College Of Medicine in 1999
  NPI Data:
  • NPI Number: 1639188659
  • Provider Enumeration Date: 08/07/2006
  • Last Update Date: 09/03/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 2860432895
  • Enrollment ID: I20050509000791

Medical Identifiers

Medical identifiers for Erik Leroy Zeger such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639188659NPI-NPPES
001735320OtherBLUE CROSS PPO
2402577000OtherBLUE CROSS HMO
6097358OtherCIGNA
7803371OtherAETNA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology MD425881 (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Main Line Health Home Care & Hospice - Home HealthRadnor, PAHome health agency
Main Line Health Homecare & Hospice - HospiceRadnor, PAHospice
Main Line Hospital LankenauWynnewood, PAHospital
Riddle Memorial HospitalMedia, PAHospital
Bryn Mawr HospitalBryn mawr, PAHospital
Paoli HospitalPaoli, PAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Alliance Cancer Specialists721419409159

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. Erik Leroy Zeger allows following entities to bill medicare on his behalf.
Entity NameAlliance Cancer Specialists
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487923686
PECOS PAC ID: 7214194091
Enrollment ID: O20120207000029

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. Erik Leroy Zeger 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
Erik Leroy Zeger, MD
100 Lancaster Ave, Main Line Oncology Hematology Associates,
Wynnewood, PA 19096

Ph: (610) 645-2494
Erik Leroy Zeger, MD
100 Lancaster Ave, Main Line Oncology Hematology Associates,
Wynnewood, PA 19096

Ph: (610) 645-2494

Reviews and Comments


Internal Medicine Doctors in Wynnewood, PA

Dr. Akhnuwkh Jones, M.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 100 E Lancaster Ave, Wynnewood, PA 19096
Phone: 610-645-2000    
Amanda B Christini, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 100 E Lancaster Ave, 4 Pavilion, Suite 4303, Wynnewood, PA 19096
Phone: 484-476-6421    Fax: 484-476-3149
Daniel Wang, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 100 E Lancaster Ave, 4 Pavilion Ste 4303, Wynnewood, PA 19096
Phone: 484-476-6421    Fax: 484-476-3149
Margaret Mack,
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 100 E Lancaster Ave, Wynnewood, PA 19096
Phone: 610-642-3796    
Xiaoling Yu, MD
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 100 E Lancaster Ave, Wynnewood, PA 19096
Phone: 484-476-6421    
Dr. Eric Marc Russell, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 100 E Lancaster Ave, Wynnewood, PA 19096
Phone: 610-645-2000    
Dr. Jeremy Winthrop Gelber, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 330 Aubrey Rd, Wynnewood, PA 19096
Phone: 610-642-3999    

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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.

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