Doctor profile · Federal record

Dr. Michael Ma, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Palo Alto, CA

  • NPI 1134445158
  • 16 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Palo Alto, CA 943042203
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
April 27, 2024
Specialty taxonomy
208G00000X — NUCC code
State license (1)
California #A118114

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134445158. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$142
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Steris Corporation 1 $141.55

By nature of payment

Food and Beverage
$142

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Ma's medical specialty?
Dr. Michael Ma practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Palo Alto, CA.
Where does Dr. Michael Ma practice?
Dr. Michael Ma practices at 300 Pasteur Dr, Palo Alto, CA 943042203. Office phone: 6507234000.
What is Dr. Michael Ma's NPI?
Dr. Michael Ma's National Provider Identifier (NPI) is 1134445158, issued by NPPES.