Doctor profile · Federal record

Dr. Morgan Althoen, M.D.

Vascular & Interventional Radiology Physician (CMS: Interventional Radiology) · Duluth, MN

  • NPI 1851304158
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
915 E 1St St
Duluth, MN 558052107
(218) 249-5439
fax (218) 249-3076

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 28, 2025
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
2085R0204X — NUCC code
State license (1)
Minnesota #41790
Medicaid
MN #495723700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851304158. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
595
Distinct HCPCS
10
Medicare allowed
$26,164
HCPCS Description Services Patients Avg allowed
93922 Ultrasound study of arm and leg arteries 98 89 $11
93880 Ultrasound of both sides of head and neck blood flow 79 75 $36
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 63 61 $20
71275 Ct scan of blood vessels of chest with contrast 42 42 $82
76706 Ultrasound scan of abdominal aorta 42 42 $25
76775 Limited ultrasound scan behind abdominal cavity 39 38 $26
93970 Ultrasound study of arm or leg veins with compression and maneuvers 32 31 $31
76937 Ultrasonic guidance for blood vessel access 31 29 $13
77012 Review by radiologist of ct guidance for needle placement 29 28 $68
93926 Ultrasound of one leg arteries or artery grafts 29 26 $22

In context: peer comparison

Among 2 peers in this city , average services per provider: 38. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$510
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Penumbra, Inc. 2 $486.42
Inari Medical, Inc. 1 $23.87

By nature of payment

Travel and Lodging
$332
Food and Beverage
$178

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Morgan Althoen's medical specialty?
Dr. Morgan Althoen practices Vascular & Interventional Radiology Physician in Duluth, MN.
Where does Dr. Morgan Althoen practice?
Dr. Morgan Althoen practices at 915 E 1St St, Duluth, MN 558052107. Office phone: 2182495439.
What is Dr. Morgan Althoen's NPI?
Dr. Morgan Althoen's National Provider Identifier (NPI) is 1851304158, issued by NPPES.
Does Dr. Morgan Althoen accept Medicare assignment?
Yes. Dr. Morgan Althoen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Morgan Althoen commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound study of arm and leg arteries (HCPCS 93922); Ultrasound of both sides of head and neck blood flow (HCPCS 93880); Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS 93971). Source: CMS Medicare Physician & Other Practitioners file.