Doctor profile · Federal record

Dr. Michael Mackowski, M.D.

Surgery Physician (CMS: General Surgery) · Green Bay, WI

  • NPI 1811212764
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2845 Greenbrier RD
Green Bay, WI 543116519
(920) 288-8250
Mailing address
164 N Broadway
Green Bay, WI 543032728

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
May 10, 2017
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Wisconsin #65029
Medicaid
WI #1811212764

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811212764. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
190
Distinct HCPCS
7
Medicare allowed
$17,343
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 63 28 $76
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 28 11 $47
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 27 26 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 25 20 $81
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $159
99214 Established patient office or other outpatient visit, 30-39 minutes 16 15 $115
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $106

In context: peer comparison

Among 13 peers in Green Bay Surgery Physician, average services per provider: 33. This provider delivers 5.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$129
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Baxter Healthcare 1 $128.84

By nature of payment

Food and Beverage
$129

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
101
Patients
94
Total drug cost
$371
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 38 38 $206
Tramadol Hcl Generic 33 32 $52
Metronidazole Generic 16 13 $26
Neomycin Sulfate Generic 14 11 $86

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Mackowski's medical specialty?
Dr. Michael Mackowski practices Surgery Physician in Green Bay, WI.
Where does Dr. Michael Mackowski practice?
Dr. Michael Mackowski practices at 2845 Greenbrier RD, Green Bay, WI 543116519. Office phone: 9202888250.
What is Dr. Michael Mackowski's NPI?
Dr. Michael Mackowski's National Provider Identifier (NPI) is 1811212764, issued by NPPES.
Does Dr. Michael Mackowski accept Medicare assignment?
Yes. Dr. Michael Mackowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Mackowski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.