Doctor profile · Federal record

Dr. Gregory Matzke, MD

Surgery Physician (CMS: General Surgery) · Madison, WI

  • NPI 1326096546
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
700 S Park St, Dean St. Mary's Outpatient Center
Madison, WI 537151830
(608) 260-2900
fax (608) 260-2976

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 10, 2020
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Wisconsin #47552-020
Medicaid
WI #1326096546

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326096546. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
366
Distinct HCPCS
10
Medicare allowed
$65,474
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 66 60 $121
99204 New patient office or other outpatient visit, 45-59 minutes 49 49 $158
36415 Insertion of needle into vein for collection of blood sample 42 38 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 37 36 $86
99205 New patient office or other outpatient visit, 60-74 minutes 35 35 $209
99215 Established patient office or other outpatient visit, 40-54 minutes 29 25 $171
99203 New patient office or other outpatient visit, 30-44 minutes 26 26 $106
46600 Diagnostic exam of anus using an endoscope 16 16 $115
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 16 12 $75
49594 Initial repair of entrapped hernia of abdomen, 3-10 cm in length 15 15 $668

In context: peer comparison

Among 27 peers in Madison Surgery Physician, average services per provider: 51. This provider delivers 7.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$829
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 4 $490.18
Integra LifeSciences Corporation 1 $150.00
Medical Device Business Services, INC. 1 $72.90
Baxter Healthcare 1 $61.29
Clr Medical, INC. 1 $55.00

By nature of payment

Food and Beverage
$768
Travel and Lodging
$61

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
49
Patients
0
Total drug cost
$11,166
Drug Type Claims Patients Total cost
Creon (Lipase/Protease/Amylase) Brand 25 0 $10,890
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 0 $104
Hydrocortisone Generic 11 0 $171

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Matzke's medical specialty?
Dr. Gregory Matzke practices Surgery Physician in Madison, WI.
Where does Dr. Gregory Matzke practice?
Dr. Gregory Matzke practices at 700 S Park St, Madison, WI 537151830. Office phone: 6082602900.
What is Dr. Gregory Matzke's NPI?
Dr. Gregory Matzke's National Provider Identifier (NPI) is 1326096546, issued by NPPES.
Does Dr. Gregory Matzke accept Medicare assignment?
Yes. Dr. Gregory Matzke accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Matzke commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.