Gregory Andrew Burek, M.D.
Psychiatry Physician · Greenfield, WI
Gregory Andrew Burek, M.D. is a psychiatry physician with a practice address in Greenfield, Wisconsin, and NPI 1730507773, issued on Apr 5, 2014. Check the license (Wisconsin 64476-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Andrew Burek
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 64476-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4455 S 108TH St, Greenfield, WI 53228
- Phone
- (414) 427-5310
- Enumerated
- Apr 5, 2014
- Record last updated
- Sep 15, 2023
- Fax
- (414) 427-5311
- Medicaid ID
- 1730507773 WI
- Medicare enrollment
- Enrolled (PECOS I20151111000803); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 4455 S 108TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nathan Burkle, D.O.Family Medicine Physician1861806382
- Christopher Clark, LCSWClinical Social Worker1609944693
- Taylor Daugherty, MS, CCC-SLPSpeech-Language Pathologist1295550812
- Taylor FenskeFamily Nurse Practitioner1508691569
- Jonathan Hoerl, MSN, APNP, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1871284406
- Mark Hufen, MAPC, LCPCMental Health Counselor1245335157
Verify Gregory Andrew Burek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 64476-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average psychiatry physician in 2024
109 Medicare Part D claims for 32 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Clonidine Hcl28 claims
- Mirtazapine11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- The Medical College OF Wisconsin IncGreenfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Psychiatry Physician providers in Wisconsin
There are 929 psychiatry physician records in Wisconsin.
Other psychiatry physician records in Wisconsin
- Semhal Abbay, MDGreen Bay, WI1780713172
- Amir Abdelli, MDMilwaukee, WI1265782668
- Beth Abramson, M.D.Milwaukee, WI1922045996
- Jaeger Ackerman, MDMadison, WI1578192589
- Sean Ackerman, M.D.Columbus, WI1548559305
- Nagwa Agaiby, M.D.Milwaukee, WI1336240407
- Himanshu Agrawal, M.D.Elm Grove, WI1477747954
- Virginia Aguilar-Sincaban, MDMadison, WI1730172081
- Eileen Ahearn, M.D.Madison, WI1144320524
- Mahmoud Ahmed, MDLadysmith, WI1659473312
Common questions
What is Gregory Andrew Burek, M.D.'s NPI number?
Gregory Andrew Burek, M.D.'s National Provider Identifier (NPI) is 1730507773, issued on Apr 5, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Andrew Burek, M.D. located?
The NPPES record lists a practice address at 4455 S 108TH St, Greenfield, WI, 53228. Phone: (414) 427-5310. Providers update this record themselves, so call before visiting.
How can I verify Gregory Andrew Burek, M.D.'s license?
NPPES lists Wisconsin license number 64476-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Andrew Burek, M.D. prescribe under Medicare Part D?
In 2024, Gregory Andrew Burek, M.D. had 109 Medicare Part D claims for 32 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.