Doctor profile · Federal record

Dr. Michael O Brien, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Bridgeport, CT

  • NPI 1437168838
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
267 Grant St, Bridgeport Anesthesia Associates, PC
Bridgeport, CT 066102805
(203) 384-3072
Mailing address
7365 Main St, Suite 310
Stratford, CT 066141300

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
November 10, 2009
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Connecticut #72853

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437168838. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
56
Distinct HCPCS
3
Medicare allowed
$3,593
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 25 23 $70
00811 Anesthesia for other procedure on large bowel using an endoscope 20 20 $63
00812 Anesthesia for exam of colon using an endoscope 11 11 $55

In context: peer comparison

Among 30 peers in Bridgeport Certified Registered Nurse Anesthetist, average services per provider: 26. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., INC. 1 $20.27

By nature of payment

Food and Beverage
$20

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael O Brien's medical specialty?
Dr. Michael O Brien practices Certified Registered Nurse Anesthetist in Bridgeport, CT.
Where does Dr. Michael O Brien practice?
Dr. Michael O Brien practices at 267 Grant St, Bridgeport, CT 066102805. Office phone: 2033843072.
What is Dr. Michael O Brien's NPI?
Dr. Michael O Brien's National Provider Identifier (NPI) is 1437168838, issued by NPPES.
Does Dr. Michael O Brien accept Medicare assignment?
Yes. Dr. Michael O Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael O Brien commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.