Doctor profile · Federal record

Dr. Siyuan Cao

Internal Medicine Physician (CMS: Pulmonary Disease) · Student in an Organized Health Care Education/Training Program · New York, NY

  • NPI 1871958223
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
550 1St Ave
New York, NY 10016
(212) 263-5506

Credentials & registration

NPPES · NUCC
NPI registered
December 2015 — 11 yrs on file
Profile last updated
June 30, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
New York #308878 · Massachusetts #S94155505

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871958223. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$898
Transactions
18
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Actelion Pharmaceuticals US, Inc. 4 $242.54
Merck Sharp & Dohme LLC 4 $195.28
Inari Medical, Inc. 1 $190.12
Bayer Healthcare Pharmaceuticals Inc. 5 $160.64
United Therapeutics Corporation 2 $53.03
AngioDynamics, Inc. 1 $41.00
Medtronic, Inc. 1 $15.49

By nature of payment

Food and Beverage
$898

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Siyuan Cao's medical specialty?
Dr. Siyuan Cao practices Internal Medicine Physician in New York, NY.
Where does Dr. Siyuan Cao practice?
Dr. Siyuan Cao practices at 550 1St Ave, New York, NY 10016. Office phone: 2122635506.
What is Dr. Siyuan Cao's NPI?
Dr. Siyuan Cao's National Provider Identifier (NPI) is 1871958223, issued by NPPES.
Does Dr. Siyuan Cao accept Medicare assignment?
Yes. Dr. Siyuan Cao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.