Doctor profile · Federal record

Dr. Constantinos Constantinou, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Vernon Rockville, CT

  • NPI 1871551978
  • Accepts Medicare
  • 34 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
94 Union St
Vernon Rockville, CT 060663131
(860) 870-1300
fax (860) 870-1306
Additional location
100 South St Ste 108
Southbridge, MA 015504051

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (2)
Connecticut #043819 · Massachusetts #240098
Medicaid
CT #001438193

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871551978. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
291
Distinct HCPCS
9
Medicare allowed
$61,102
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 93 88 $133
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 50 28 $81
99203 New patient office or other outpatient visit, 30-44 minutes 32 32 $117
76937 Ultrasonic guidance for blood vessel access 29 28 $14
99213 Established patient office or other outpatient visit, 20-29 minutes 28 23 $94
32555 Aspiration of fluid from chest cavity using imaging guidance 18 15 $110
33208 Insertion of pacemaker and upper and lower heart chamber electrode 16 16 $533
32124 Release of lung lining through chest 13 13 $619
32220 Removal of lining of lung for lung expansion 12 11 $1,614

In context: peer comparison

Among 1 peers in Vernon Rockville Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 32. This provider delivers 9.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ImmunoGen, INC. 1 $22.96

By nature of payment

Food and Beverage
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
13
Total drug cost
$185
Drug Type Claims Patients Total cost
Gabapentin Generic 21 13 $71
Metoclopramide Hcl Generic 15 0 $64
Oxycodone Hcl Generic 15 0 $50

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Constantinos Constantinou's medical specialty?
Dr. Constantinos Constantinou practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Vernon Rockville, CT.
Where does Dr. Constantinos Constantinou practice?
Dr. Constantinos Constantinou practices at 94 Union St, Vernon Rockville, CT 060663131. Office phone: 8608701300.
What is Dr. Constantinos Constantinou's NPI?
Dr. Constantinos Constantinou's National Provider Identifier (NPI) is 1871551978, issued by NPPES.
Does Dr. Constantinos Constantinou accept Medicare assignment?
Yes. Dr. Constantinos Constantinou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Constantinos Constantinou commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.