LARS E HELGESON (MD) – Anesthesiology Physician, NPI 1528049210
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
863 ANESTHESIOLOGY in CT
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Provider Addresses for LARS E HELGESON (MD)
9805, Northwest Ash Street, West Haven, Portland, Metro, Washington County, Oregon, 97229, United States
NEW HAVEN, CT 065360805
Phone:
Type: Mailing
Yale New Haven Hospital, 20, York Street, Downtown, New Haven, New Haven County, Connecticut, 06510, United States
YNHH TOMPKINS BUILDING - 3RD FLOOR
NEW HAVEN, CT 065103220
Phone: (203) 785-2802
Fax: (203) 785-6664
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $74.
Total Amount is formed as General ($74) + Research ($0) + Ownership ($0) = $74.
Last reported payment date: 2024-06-25 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($52).
Total Amount
$74
General + Research + Ownership
Payments
4
Total payment records
General Amount
$74
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $52 |
| Teleflex LLC | $21 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-06-27
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100817001075 | I | Anesthesiology | CT | TBD |
| I20240627003149 | I | Anesthesiology | MT | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 45 | 43 | $0 |
| 00142 | Anesthesia for lens surgery | 34 | 29 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 19 | 19 | $0 |
| 00400 | Anesthesia for other procedure on skin of arms, legs, and front body | 18 | 18 | $0 |
| 00910 | Anesthesia for other procedure on urinary system through urethra | 15 | 15 | $0 |
Insurance plans in this area (ZIP 06536)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | CT | 31500 | Emergent insertion of breathing tube into windpipe cartilage using an endoscope | 25 | 25 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| A N E S T H E S I O L O G Y | CT | |
| A N E S T H E S I O L O G Y | TN | |
| Certified Registered Nurse Anesthetist (Crna) | NY | |
| A N E S T H E S I O L O G Y | FL | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| A N E S T H E S I O L O G Y | ME |
Reviews
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