Michael James Walker, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Bryn Mawr, PA
Michael James Walker, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Bryn Mawr, Pennsylvania, and NPI 1871538611, issued on Jun 17, 2006. Check the license (Pennsylvania MD0426261L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Michael James Walker
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- MD0426261L PA
Self-reported in NPPES; status is on the state search - Practice location
- 830 Old Lancaster RD, Bryn Mawr, PA 19010
- Phone
- (610) 527-1600
- Enumerated
- Jun 17, 2006
- Record last updated
- Jun 15, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (610) 527-0824
- Medicare enrollment
- Enrolled (PECOS I20090311000505); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1988
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 377 in Pennsylvania → Look up another NPI →
Also registered at 830 Old Lancaster RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Berger, LPTHand Occupational Therapist1790729713
- Amit Bhojwani, D.O.Otolaryngology Physician1477986420
- Norman Burstein, AUDAudiologist1003249731
- James Carty, M.D.Ophthalmology Physician1134114572
- Michael Chao, MDOtolaryngology Physician1891816229
- Gregory Closkey, M.D.Nephrology Physician1942223573
Verify Michael James Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD0426261LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,464.86
30 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Main Line HealthcareMedia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael James Walker among 377 thoracic surgery (cardiothoracic vascular surgery) physician records in Pennsylvania
Michael James Walker, MD is one of 377 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Pennsylvania. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1988 · median 1998 among the 223 with a school on file
- Record last updated2018 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Pennsylvania
There are 377 thoracic surgery (cardiothoracic vascular surgery) physician records in Pennsylvania.
All 377 in Pennsylvania → Every provider in Bryn Mawr → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- James Pellechi, MDBryn Mawr, PA 190101760041677
- Charles Geller, MDUpland, PA 190131417932880
- Karl Grunewald, MDChester, PA 190131285672931
- Gerald Lemole, M.D.Huntingdon Valley, PA 190061629013818
- Konstadinos Plestis, M.D.Abington, PA 190011972556389
- Walter Scott, M.D.Abington, PA 190011164562310
- Kourosh Ghalili, MDBensalem, PA 190201053305490
- Deon Vigilance, M.D.Darby, PA 190231982748661
Common questions
What is Michael James Walker, MD's NPI number?
Michael James Walker, MD's National Provider Identifier (NPI) is 1871538611, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael James Walker, MD located?
The NPPES record lists a practice address at 830 Old Lancaster RD, Bryn Mawr, PA, 19010. Phone: (610) 527-1600. Providers update this record themselves, so call before visiting.
How can I verify Michael James Walker, MD's license?
NPPES lists Pennsylvania license number MD0426261L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.