Doctor profile · Federal record

Dr. Louis Chai, M.D.

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

  • NPI 1164870689
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
333 Cottman Ave
Philadelphia, PA 191112434
(215) 728-6900
fax (215) 728-2773
Mailing address
3500 N Broad St
Philadelphia, PA 191404106

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
May 29, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
Pennsylvania #MD465049

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164870689. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$211
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Atricure, INC. 2 $211.47

By nature of payment

Food and Beverage
$211

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
18
Patients
18
Total drug cost
$89
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 18 18 $89

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Louis Chai's medical specialty?
Dr. Louis Chai practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Philadelphia, PA.
Where does Dr. Louis Chai practice?
Dr. Louis Chai practices at 333 Cottman Ave, Philadelphia, PA 191112434. Office phone: 2157286900.
What is Dr. Louis Chai's NPI?
Dr. Louis Chai's National Provider Identifier (NPI) is 1164870689, issued by NPPES.
Does Dr. Louis Chai accept Medicare assignment?
Yes. Dr. Louis Chai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.