Doctor profile · Federal record

Dr. Phillip Dennen, MD

Anesthesiology Physician · Hartford, CT

  • NPI 1003867649
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
114 Woodland St
Hartford, CT 061051208
(860) 714-6654
fax (860) 714-8110

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
September 12, 2008
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Connecticut #028882
Medicaid
CT #001266825

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003867649. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
32
Distinct HCPCS
2
Medicare allowed
$5,123
HCPCS Description Services Patients Avg allowed
01480 Anesthesia for other procedure on lower leg, ankle, and foot bones 21 20 $146
00520 Anesthesia for other closed procedure on chest 11 11 $186

In context: peer comparison

Among 31 peers in this city , average services per provider: 31. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Heron Therapeutics, Inc. 1 $20.89
Merck Sharp & Dohme LLC 1 $14.36
Ambu Inc. 1 $5.09

By nature of payment

Food and Beverage
$40

Frequently asked questions

Auto-generated from federal data
What is Dr. Phillip Dennen's medical specialty?
Dr. Phillip Dennen practices Anesthesiology Physician in Hartford, CT.
Where does Dr. Phillip Dennen practice?
Dr. Phillip Dennen practices at 114 Woodland St, Hartford, CT 061051208. Office phone: 8607146654.
What is Dr. Phillip Dennen's NPI?
Dr. Phillip Dennen's National Provider Identifier (NPI) is 1003867649, issued by NPPES.
What procedures does Dr. Phillip Dennen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on lower leg, ankle, and foot bones (HCPCS 01480); Anesthesia for other closed procedure on chest (HCPCS 00520). Source: CMS Medicare Physician & Other Practitioners file.