Doctor profile · Federal record

Dr. Larry Thiesen, MD

Anesthesiology Physician (CMS: Anesthesiology) · Fall River, MA

  • NPI 1073513438
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
363 Highland Ave
Fall River, MA 027203703
(508) 973-7558
fax (508) 973-7147
Mailing address
200 Mill RD, Suite 180
Fairhaven, MA 027195252

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
April 27, 2020
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Massachusetts #209411
Medicaid
MA #0199290

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073513438. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
127
Distinct HCPCS
6
Medicare allowed
$32,708
HCPCS Description Services Patients Avg allowed
00560 Anesthesia for procedure on heart and large blood vessels 33 33 $502
93312 Ultrasound of heart with probe in esophagus, with report 21 21 $108
36620 Insertion of artery tube for blood sampling or infusion through skin 20 20 $45
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 20 20 $3
93503 Insertion of tube in pulmonary artery for monitoring 20 20 $89
00567 Anesthesia for heart artery bypass grafting on heart-lung machine 13 13 $857

In context: peer comparison

Among 6 peers in this city , average services per provider: 20. This provider delivers 6.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Larry Thiesen's medical specialty?
Dr. Larry Thiesen practices Anesthesiology Physician in Fall River, MA.
Where does Dr. Larry Thiesen practice?
Dr. Larry Thiesen practices at 363 Highland Ave, Fall River, MA 027203703. Office phone: 5089737558.
What is Dr. Larry Thiesen's NPI?
Dr. Larry Thiesen's National Provider Identifier (NPI) is 1073513438, issued by NPPES.
Does Dr. Larry Thiesen accept Medicare assignment?
Yes. Dr. Larry Thiesen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larry Thiesen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure on heart and large blood vessels (HCPCS 00560); Ultrasound of heart with probe in esophagus, with report (HCPCS 93312); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620). Source: CMS Medicare Physician & Other Practitioners file.