Doctor profile · Federal record

Dr. Michael Stellmaker, M.D.

Surgery Physician (CMS: General Surgery) · Surgery Physician · Duluth, MN

  • NPI 1417227661
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
920 E 1St St, Suite 302
Duluth, MN 558052201
(218) 249-6050
fax (218) 249-6055

Credentials & registration

NPPES · NUCC
NPI registered
January 2012 — 14 yrs on file
Profile last updated
January 31, 2017
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
Minnesota #59582 · Pennsylvania #MT-198016-T

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417227661. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
45
Distinct HCPCS
3
Medicare allowed
$4,091
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 22 17 $77
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $126
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $80

In context: peer comparison

Among 10 peers in Duluth Surgery Physician, average services per provider: 20. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,164
Transactions
7
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 6 $1,079.24
Prytime Medical Devices, INC. 1 $84.81

By nature of payment

Food and Beverage
$598
Travel and Lodging
$557
Gift
$9

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
56
Patients
53
Total drug cost
$427
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 34 31 $87
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 11 11 $331
Tramadol Hcl Generic 11 11 $9

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Stellmaker's medical specialty?
Dr. Michael Stellmaker practices Surgery Physician in Duluth, MN.
Where does Dr. Michael Stellmaker practice?
Dr. Michael Stellmaker practices at 920 E 1St St, Duluth, MN 558052201. Office phone: 2182496050.
What is Dr. Michael Stellmaker's NPI?
Dr. Michael Stellmaker's National Provider Identifier (NPI) is 1417227661, issued by NPPES.
Does Dr. Michael Stellmaker accept Medicare assignment?
Yes. Dr. Michael Stellmaker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Stellmaker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.