Doctor profile · Federal record

Dr. Denis Bouboulis, MD

Allergy & Immunology Physician · Darien, CT

  • NPI 1619035417
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
106 Noroton Ave
Darien, CT 068205237
(203) 655-9904
fax (203) 656-1416

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
January 8, 2014
Specialty taxonomy
207K00000X — NUCC code
State license (1)
Connecticut #029667

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619035417. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
47
Distinct HCPCS
1
Medicare allowed
$4,433
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 47 20 $94

In context: peer comparison

Among 1 peers in this city , average services per provider: 47. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,020
Transactions
45
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
CSL Behring 10 $201.22
ABBVIE INC. 6 $137.80
Takeda Pharmaceuticals U.S.A., Inc. 6 $137.72
GlaxoSmithKline, LLC. 5 $91.72
Grifols USA, LLC 3 $74.44
PFIZER INC. 2 $48.96
BioCryst US Sales Co., LLC 2 $47.81
Genentech USA, Inc. 2 $47.51
Octapharma USA, Inc. 2 $45.02
Novartis Pharmaceuticals Corporation 2 $44.03
Blueprint Medicines Corporation 1 $31.19
Regeneron Healthcare Solutions, Inc. 1 $28.85
AstraZeneca Pharmaceuticals LP 1 $22.03
Kedrion Biopharma, Inc. 1 $21.89
Optinose US, Inc. 1 $19.84

By nature of payment

Food and Beverage
$1,020

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
393
Patients
44
Total drug cost
$260,673
Drug Type Claims Patients Total cost
Azithromycin Generic 100 21 $6,723
Doxycycline Hyclate Generic 95 23 $3,534
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 45 0 $2,141
Gammagard Liquid (Immun Glob G(Igg)/Gly/Iga Ov50) Brand 37 0 $216,350
Rifampin Generic 28 0 $642
Clarithromycin Generic 25 0 $577
Atovaquone Generic 22 0 $20,866
Dextrose In Water (Dextrose 5 % In Water) Brand 19 0 $576
Montelukast Sodium Generic 11 0 $327
Multaq (Dronedarone Hcl) Brand 11 0 $8,938

Frequently asked questions

Auto-generated from federal data
What is Dr. Denis Bouboulis's medical specialty?
Dr. Denis Bouboulis practices Allergy & Immunology Physician in Darien, CT.
Where does Dr. Denis Bouboulis practice?
Dr. Denis Bouboulis practices at 106 Noroton Ave, Darien, CT 068205237. Office phone: 2036559904.
What is Dr. Denis Bouboulis's NPI?
Dr. Denis Bouboulis's National Provider Identifier (NPI) is 1619035417, issued by NPPES.
What procedures does Dr. Denis Bouboulis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.