Gregory L. Schulz, MD
Emergency Medicine Physician · Waupun, WI
Gregory L. Schulz, MD is an emergency medicine physician with a practice address in Waupun, Wisconsin, and NPI 1801852785, issued on Apr 21, 2006. Check the license (Wisconsin 28848, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gregory L. Schulz
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 28848 WI
Self-reported in NPPES; status is on the state search - Practice location
- 620 W Brown St, Waupun, WI 53963
- Phone
- (920) 324-5581
- Enumerated
- Apr 21, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 620 W Brown St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shamiah Dekker, CRNACertified Registered Nurse Anesthetist1881139426
Verify Gregory L. Schulz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 28848Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory L. Schulz among 1,464 emergency medicine physician records in Wisconsin
Gregory L. Schulz, MD is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 emergency medicine physician records list a practice address in Waupun
They are 3 of the 131 NPPES records with a practice address in Waupun, and 1,464 emergency medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,464 in Wisconsin → Every provider in Waupun → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Aaron Hoffnung, M.D.Waupun, WI 539631265425748
- Kathryn Sullivan Dillie, MD, PHDWaupun, WI 539631548426141
- Roxanne Richards, M.D.Wisconsin Dells, WI 539651760788640
- Rey Farne, MDMauston, WI 539481083695753
- James Reed, MDMauston, WI 539481689640740
- Barrett Shoults, MDMauston, WI 539481144563610
- Tamara Daniels, M.D.Friendship, WI 539341164488169
- Joseph Lachica, M.D.Friendship, WI 539341720027238
Common questions
What is Gregory L. Schulz, MD's NPI number?
Gregory L. Schulz, MD's National Provider Identifier (NPI) is 1801852785, issued on Apr 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory L. Schulz, MD located?
The NPPES record lists a practice address at 620 W Brown St, Waupun, WI, 53963. Phone: (920) 324-5581. Providers update this record themselves, so call before visiting.
How can I verify Gregory L. Schulz, MD's license?
NPPES lists Wisconsin license number 28848, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.