Doctor profile · Federal record

Dr. Ryan Knoper, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Surgery Physician · Maplewood, MN

  • NPI 1376836031
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2945 Hazelwood St Ste 100
Maplewood, MN 551091242
(651) 227-6351
Additional location
909 Fulton St Se
Minneapolis, MN 554554800
(612) 672-7422
Mailing address
720 Washington Ave Se Ste 200
Minneapolis, MN 554142924

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
September 5, 2019
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (2)
Minnesota #27874 · Illinois #125059171

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376836031. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
102
Distinct HCPCS
5
Medicare allowed
$58,866
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 34 34 $214
33361 Replacement of aortic valve through the skin and femoral artery 26 26 $707
33533 Coronary artery bypass using artery graft, 1 graft 19 19 $1,568
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $169
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $126

In context: peer comparison

Among 2 peers in this city , average services per provider: 17. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,543
Transactions
14
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ATRICURE, INC. 4 $1,279.87
Zimmer Biomet Holdings, Inc. 7 $173.28
Abbott Laboratories 2 $73.91
Edwards Lifesciences Corporation 1 $15.61

By nature of payment

Travel and Lodging
$1,093
Food and Beverage
$450

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Knoper's medical specialty?
Dr. Ryan Knoper practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Maplewood, MN.
Where does Dr. Ryan Knoper practice?
Dr. Ryan Knoper practices at 2945 Hazelwood St Ste 100, Maplewood, MN 551091242. Office phone: 6512276351.
What is Dr. Ryan Knoper's NPI?
Dr. Ryan Knoper's National Provider Identifier (NPI) is 1376836031, issued by NPPES.
Does Dr. Ryan Knoper accept Medicare assignment?
Yes. Dr. Ryan Knoper accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Knoper commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Replacement of aortic valve through the skin and femoral artery (HCPCS 33361); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533). Source: CMS Medicare Physician & Other Practitioners file.