Doctor profile · Federal record

Dr. Patrick Brennan, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Worcester, MA

  • NPI 1407366859
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3271
fax (508) 856-5911
Additional location
101 Page St
New Bedford, MA 027403464
(508) 973-5425
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
October 2017 — 9 yrs on file
Profile last updated
November 12, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Massachusetts #RN2299509

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407366859. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
112
Distinct HCPCS
6
Medicare allowed
$14,292
HCPCS Description Services Patients Avg allowed
00530 Anesthesia for insertion of permanent heart pacemaker 22 22 $128
00410 Anesthesia for procedure to correct abnormal heart rhythm 21 21 $56
01926 Anesthesia for x-ray on artery of brain, heart, or chest 21 21 $149
01922 Anesthesia for x-ray or radiation therapy 19 19 $112
00537 Anesthesia for procedure to assess heart electrical activity 18 18 $233
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 11 11 $77

In context: peer comparison

Among 46 peers in Worcester Certified Registered Nurse Anesthetist, average services per provider: 24. This provider delivers 4.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Brennan's medical specialty?
Dr. Patrick Brennan practices Certified Registered Nurse Anesthetist in Worcester, MA.
Where does Dr. Patrick Brennan practice?
Dr. Patrick Brennan practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343271.
What is Dr. Patrick Brennan's NPI?
Dr. Patrick Brennan's National Provider Identifier (NPI) is 1407366859, issued by NPPES.
Does Dr. Patrick Brennan accept Medicare assignment?
Yes. Dr. Patrick Brennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Brennan commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for insertion of permanent heart pacemaker (HCPCS 00530); Anesthesia for procedure to correct abnormal heart rhythm (HCPCS 00410); Anesthesia for x-ray on artery of brain, heart, or chest (HCPCS 01926). Source: CMS Medicare Physician & Other Practitioners file.