Steven W. Hryszczuk, D.O.
Anesthesiology Physician · Madison, WI
Steven W. Hryszczuk, D.O. is an anesthesiology physician with a practice address in Madison, Wisconsin, and NPI 1255368890, issued on Jun 27, 2006. Check the license (Wisconsin 4000-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Steven W. Hryszczuk
- Credential
- D.O.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 4000-21 WI
036-104445 IL
Self-reported in NPPES; status is on the state search - Practice location
- 700 S Park St, Madison, WI 53715
- Phone
- (608) 251-6100
- Enumerated
- Jun 27, 2006
- Record last updated
- Nov 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 1255368890 WI
- Medicare enrollment
- Enrolled (PECOS I20101115000250); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1997
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 700 S Park St
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Verify Steven W. Hryszczuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 4000-21Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Dean Health Systems IncJanesville, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven W. Hryszczuk among 1,313 anesthesiology physician records in Wisconsin
Steven W. Hryszczuk, D.O. is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 49% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2006 among the 872 with a school on file
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
280 anesthesiology physician records list a practice address in Madison
They are 280 of the 15,014 NPPES records with a practice address in Madison, and 1,313 anesthesiology physician records in Wisconsin.
All 1,313 in Wisconsin → Every provider in Madison → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Christine Biedermann, MDMadison, WI 537151487652517
- Jill Cardwell, MDMadison, WI 537151518966068
- Barbara Caropreso, MDMadison, WI 537151013917509
- James Garnett, MDMadison, WI 537151851391585
- Girish Kumar, MDMadison, WI 537151730189390
- Steven Lagman, M.D.Madison, WI 537151720085764
- Daniel Masliah, MDMadison, WI 537151144229204
- Eugene Miller, MDMadison, WI 537151811997554
Common questions
What is Steven W. Hryszczuk, D.O.'s NPI number?
Steven W. Hryszczuk, D.O.'s National Provider Identifier (NPI) is 1255368890, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven W. Hryszczuk, D.O. located?
The NPPES record lists a practice address at 700 S Park St, Madison, WI, 53715. Phone: (608) 251-6100. Providers update this record themselves, so call before visiting.
How can I verify Steven W. Hryszczuk, D.O.'s license?
NPPES lists Wisconsin license number 4000-21, 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. 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.