Doctor profile · Federal record

Dr. Walter McGregor, MD

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

  • NPI 1891770137
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
320 E North Ave
Pittsburgh, PA 152124756
(412) 359-8820
fax (412) 359-8222

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
October 8, 2020
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
Pennsylvania #MD071614L
Medicaid
PA #102251746

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891770137. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
28
Distinct HCPCS
2
Medicare allowed
$27,185
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $159
33430 Replacement of mitral valve on heart-lung machine 11 11 $2,225

In context: peer comparison

Among 19 peers in Pittsburgh Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 29. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22,364
Transactions
46
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 26 $11,647.41
Edwards Lifesciences Corporation 15 $10,238.10
Atricure, INC. 3 $340.51
Davol INC. 1 $115.07
Ethicon US, LLC 1 $23.07

By nature of payment

Consulting Fee
$13,100
Travel and Lodging
$6,898
Food and Beverage
$1,367
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$1,000

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Walter McGregor's medical specialty?
Dr. Walter McGregor practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Pittsburgh, PA.
Where does Dr. Walter McGregor practice?
Dr. Walter McGregor practices at 320 E North Ave, Pittsburgh, PA 152124756. Office phone: 4123598820.
What is Dr. Walter McGregor's NPI?
Dr. Walter McGregor's National Provider Identifier (NPI) is 1891770137, issued by NPPES.
Does Dr. Walter McGregor accept Medicare assignment?
Yes. Dr. Walter McGregor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter McGregor commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Replacement of mitral valve on heart-lung machine (HCPCS 33430). Source: CMS Medicare Physician & Other Practitioners file.