Doctor profile · Federal record

Dr. Lawrence Hennessy, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Middletown, CT

  • NPI 1053331439
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
80 S Main St
Middletown, CT 064573648
(860) 347-0720
fax (860) 347-0301

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Connecticut #029968

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053331439. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
41
Distinct HCPCS
3
Medicare allowed
$3,165
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 15 15 $87
00811 Anesthesia for other procedure on large bowel using an endoscope 15 15 $78
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 11 11 $62

In context: peer comparison

Among 7 peers in Middletown Anesthesiology Physician, average services per provider: 20. This provider delivers 2.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $17.22

By nature of payment

Food and Beverage
$17

Frequently asked questions

Auto-generated from federal data
What is Dr. Lawrence Hennessy's medical specialty?
Dr. Lawrence Hennessy practices Anesthesiology Physician in Middletown, CT.
Where does Dr. Lawrence Hennessy practice?
Dr. Lawrence Hennessy practices at 80 S Main St, Middletown, CT 064573648. Office phone: 8603470720.
What is Dr. Lawrence Hennessy's NPI?
Dr. Lawrence Hennessy's National Provider Identifier (NPI) is 1053331439, issued by NPPES.
Does Dr. Lawrence Hennessy accept Medicare assignment?
Yes. Dr. Lawrence Hennessy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lawrence Hennessy commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447). Source: CMS Medicare Physician & Other Practitioners file.