Doctor profile · Federal record

Dr. Joyce Iwema, M.D.

Surgery Physician · Seymour, IN

  • NPI 1790121747
  • MIPS 88.6 / 100 · 2023
  • 13 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Schneck Surgical Associates, 411 West Tipton Street
Seymour, IN 47274
(812) 519-2388
fax (812) 519-3182

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
August 12, 2019
Specialty taxonomy
208600000X — NUCC code
State license (1)
Michigan #4301102667

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790121747. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
99
Distinct HCPCS
4
Medicare allowed
$8,471
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 40 33 $63
99214 Established patient office or other outpatient visit, 30-39 minutes 24 20 $88
45380 Biopsy of large bowel using a flexible endoscope 19 19 $137
99203 New patient office or other outpatient visit, 30-44 minutes 16 16 $78

In context: peer comparison

Among 3 peers in Seymour Surgery Physician, average services per provider: 30. This provider delivers 3.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$46
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 1 $26.98
Medtronic, INC. 1 $18.95

By nature of payment

Food and Beverage
$46

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
16
Total drug cost
$41
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 17 16 $41

Frequently asked questions

Auto-generated from federal data
What is Dr. Joyce Iwema's medical specialty?
Dr. Joyce Iwema practices Surgery Physician in Seymour, IN.
Where does Dr. Joyce Iwema practice?
Dr. Joyce Iwema practices at Schneck Surgical Associates, Seymour, IN 47274. Office phone: 8125192388.
What is Dr. Joyce Iwema's NPI?
Dr. Joyce Iwema's National Provider Identifier (NPI) is 1790121747, issued by NPPES.
What procedures does Dr. Joyce Iwema commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.