Doctor profile · Federal record

Dr. Christopher O'Connor

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Falls Church, VA

  • NPI 1659455541
  • Accepts Medicare
  • 43 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3300 Gallows RD
Falls Church, VA 220423307
(703) 776-4001
fax (703) 776-7113
Additional location
2100 Erwin RD
Durham, NC 277100001
(919) 620-4467

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 23, 2021
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State licenses (2)
Virginia #0101257629 · North Carolina #30945

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659455541. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19,431
Transactions
21
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 19 $19,325.14
AstraZeneca Pharmaceuticals LP 1 $54.09
Amgen Inc. 1 $51.28

By nature of payment

Travel and Lodging
$11,842
Consulting Fee
$7,150
Food and Beverage
$439

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher O'Connor's medical specialty?
Dr. Christopher O'Connor practices Cardiovascular Disease Physician in Falls Church, VA.
Where does Dr. Christopher O'Connor practice?
Dr. Christopher O'Connor practices at 3300 Gallows RD, Falls Church, VA 220423307. Office phone: 7037764001.
What is Dr. Christopher O'Connor's NPI?
Dr. Christopher O'Connor's National Provider Identifier (NPI) is 1659455541, issued by NPPES.
Does Dr. Christopher O'Connor accept Medicare assignment?
Yes. Dr. Christopher O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.