Doctor profile · Federal record

Dr. Gregory Burek, M.D.

Psychiatry Physician (CMS: Psychiatry) · Greenfield, WI

  • NPI 1730507773
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4455 S 108Th St
Greenfield, WI 532282504
(414) 427-5310
fax (414) 427-5311

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
September 15, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Wisconsin #64476-20
Medicaid
WI #1730507773

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730507773. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
46
Distinct HCPCS
1
Medicare allowed
$7,901
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 46 19 $172

In context: peer comparison

Among 1 peers in Greenfield Psychiatry Physician, average services per provider: 46. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
516
Patients
65
Total drug cost
$11,243
Drug Type Claims Patients Total cost
Clonidine Hcl Generic 145 39 $3,052
Sertraline Hcl Generic 46 15 $431
Trazodone Hcl Generic 39 0 $646
Mirtazapine Generic 35 0 $477
Quetiapine Fumarate Generic 35 0 $810
Zolpidem Tartrate Generic 33 0 $254
Clonazepam Generic 31 0 $226
Tizanidine Hcl Generic 28 11 $554
Risperidone Generic 24 0 $424
Escitalopram Oxalate Generic 23 0 $563

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Burek's medical specialty?
Dr. Gregory Burek practices Psychiatry Physician in Greenfield, WI.
Where does Dr. Gregory Burek practice?
Dr. Gregory Burek practices at 4455 S 108Th St, Greenfield, WI 532282504. Office phone: 4144275310.
What is Dr. Gregory Burek's NPI?
Dr. Gregory Burek's National Provider Identifier (NPI) is 1730507773, issued by NPPES.
Does Dr. Gregory Burek accept Medicare assignment?
Yes. Dr. Gregory Burek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Burek commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.