Doctor profile · Federal record

Dr. Michael Walker, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Bryn Mawr, PA

  • NPI 1871538611
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
830 Old Lancaster RD, Suite 210
Bryn Mawr, PA 19010
(610) 527-1600
fax (610) 527-0824

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
June 15, 2018
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
Pennsylvania #MD0426261L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871538611. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
477
Distinct HCPCS
9
Medicare allowed
$67,655
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 239 191 $94
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 56 27 $51
99205 New patient office or other outpatient visit, 60-74 minutes 31 31 $229
99204 New patient office or other outpatient visit, 45-59 minutes 30 30 $173
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 30 28 $86
99203 New patient office or other outpatient visit, 30-44 minutes 27 27 $117
99214 Established patient office or other outpatient visit, 30-39 minutes 24 24 $133
32674 Removal of lymph nodes of chest cavity using an endoscope 22 22 $221
32666 Initial removal of wedge of lung tissue using an endoscope 18 18 $906

In context: peer comparison

Among 1 peers in this city , average services per provider: 53. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,465
Transactions
30
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 7 $643.09
Medtronic, Inc. 4 $234.22
ATRICURE, INC. 1 $151.05
Novartis Pharmaceuticals Corporation 4 $97.32
Alexion Pharmaceuticals, Inc. 3 $82.98
Merck Sharp & Dohme LLC 2 $49.30
Mirati Therapeutics, Inc. 2 $43.17
Incyte Corporation 1 $29.79
Bayer Healthcare Pharmaceuticals Inc. 1 $25.41
Janssen Biotech, Inc. 1 $24.31
Daiichi Sankyo Inc. 1 $24.26
Genentech USA, Inc. 1 $20.95
SOBI, INC 1 $20.92
Eisai Inc. 1 $18.09

By nature of payment

Food and Beverage
$940
Consulting Fee
$525

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Walker's medical specialty?
Dr. Michael Walker practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Bryn Mawr, PA.
Where does Dr. Michael Walker practice?
Dr. Michael Walker practices at 830 Old Lancaster RD, Bryn Mawr, PA 19010. Office phone: 6105271600.
What is Dr. Michael Walker's NPI?
Dr. Michael Walker's National Provider Identifier (NPI) is 1871538611, issued by NPPES.
Does Dr. Michael Walker accept Medicare assignment?
Yes. Dr. Michael Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Walker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.