Michael James Walker, MD - Medicare Thoracic Surgery in Bryn Mawr, PA

Michael James Walker, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Bryn Mawr, Pennsylvania. He went to Jefferson Medical College Of Thomas Jefferson University and graduated in 1988 and has 36 years of diverse experience with area of expertise as Thoracic Surgery. He is a member of the group practice Main Line Healthcare and his current practice location is 830 Old Lancaster Rd, Suite 210, Bryn Mawr, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (610) 527-1600.

Michael James Walker is licensed to practice in Pennsylvania (license number MD0426261L) 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 1871538611.

Contact Information

Michael James Walker, MD
830 Old Lancaster Rd, Suite 210,
Bryn Mawr, PA 19010
(610) 527-1600
(610) 527-0824

Map and Direction




Physician's Profile

Full NameMichael James Walker
GenderMale
SpecialityThoracic Surgery
Experience36 Years
Location830 Old Lancaster Rd, Bryn Mawr, 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:
  • Michael James Walker attended and graduated from Jefferson Medical College Of Thomas Jefferson University in 1988
  NPI Data:
  • NPI Number: 1871538611
  • Provider Enumeration Date: 06/17/2006
  • Last Update Date: 06/15/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 0749193688
  • Enrollment ID: I20090311000505

Medical Identifiers

Medical identifiers for Michael James Walker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1871538611NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) MD0426261L (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Paoli HospitalPaoli, PAHospital
Bryn Mawr HospitalBryn mawr, PAHospital
Riddle Memorial HospitalMedia, PAHospital
Main Line Hospital LankenauWynnewood, PAHospital
Heart Of Lancaster Regional Medical CenterLititz, PAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Main Line Healthcare1951215201907

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. Michael James Walker allows following entities to bill medicare on his behalf.
Entity NameMain Line Healthcare
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922077643
PECOS PAC ID: 1951215201
Enrollment ID: O20040308000373

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. Michael James Walker 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
Michael James Walker, MD
830 Old Lancaster Rd, Suite 210,
Bryn Mawr, PA 19010-3118

Ph: (610) 527-1600
Michael James Walker, MD
830 Old Lancaster Rd, Suite 210,
Bryn Mawr, PA 19010

Ph: (610) 527-1600

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Bryn Mawr, PA


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.