Doctor profile · Federal record

Dr. Lars Helgeson, MD

Anesthesiology Physician (CMS: Anesthesiology) · New Haven, CT

  • NPI 1528049210
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 York St, Ynhh Tompkins Building - 3Rd Floor
New Haven, CT 065103220
(203) 785-2802
fax (203) 785-6664
Mailing address
Po Box 9805
New Haven, CT 065360805

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 7, 2008
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Connecticut #038162
Medicaid
CT #001381623

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528049210. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
168
Distinct HCPCS
8
Medicare allowed
$14,810
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 45 43 $93
00142 Anesthesia for lens surgery 34 29 $86
00812 Anesthesia for exam of colon using an endoscope 19 19 $75
00400 Anesthesia for other procedure on skin of arms, legs, and front body 18 18 $67
00910 Anesthesia for other procedure on urinary system through urethra 15 15 $82
00811 Anesthesia for other procedure on large bowel using an endoscope 14 14 $93
00300 Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back 12 12 $107
00918 Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope 11 11 $113

In context: peer comparison

Among 69 peers in New Haven Anesthesiology Physician, average services per provider: 37. This provider delivers 4.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$59
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $37.82
Teleflex LLC 1 $21.12

By nature of payment

Food and Beverage
$59

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lars Helgeson's medical specialty?
Dr. Lars Helgeson practices Anesthesiology Physician in New Haven, CT.
Where does Dr. Lars Helgeson practice?
Dr. Lars Helgeson practices at 20 York St, New Haven, CT 065103220. Office phone: 2037852802.
What is Dr. Lars Helgeson's NPI?
Dr. Lars Helgeson's National Provider Identifier (NPI) is 1528049210, issued by NPPES.
Does Dr. Lars Helgeson accept Medicare assignment?
Yes. Dr. Lars Helgeson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lars Helgeson 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 lens surgery (HCPCS 00142); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.