Doctor profile · Federal record

Dr. Ann Larson, CRNA

Certified Registered Nurse Anesthetist · Danvers, MA

  • NPI 1114917523
  • 21 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 Lindall St
Danvers, MA 019232121
(979) 646-7088
fax (978) 777-1462

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
May 2, 2008
Specialty taxonomy
367500000X — NUCC code
State license (1)
Massachusetts #133458

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114917523. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
92
Distinct HCPCS
4
Medicare allowed
$6,396
HCPCS Description Services Patients Avg allowed
00812 Anesthesia for exam of colon using an endoscope 34 34 $58
00811 Anesthesia for other procedure on large bowel using an endoscope 31 31 $69
00813 Anesthesia for procedure on small and large bowel using an endoscope 15 15 $96
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 12 12 $71

In context: peer comparison

Among 6 peers in Danvers Certified Registered Nurse Anesthetist, average services per provider: 26. This provider delivers 3.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Larson's medical specialty?
Dr. Ann Larson practices Certified Registered Nurse Anesthetist in Danvers, MA.
Where does Dr. Ann Larson practice?
Dr. Ann Larson practices at 75 Lindall St, Danvers, MA 019232121. Office phone: 9796467088.
What is Dr. Ann Larson's NPI?
Dr. Ann Larson's National Provider Identifier (NPI) is 1114917523, issued by NPPES.
What procedures does Dr. Ann Larson commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for exam of colon using an endoscope (HCPCS 00812); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.