David M. Horak, MD
Diagnostic Radiology Physician · Neenah, WI
David M. Horak, MD is a diagnostic radiology physician with a practice address in Neenah, Wisconsin, and NPI 1730165515, issued on Dec 22, 2005. Check the license (Wisconsin 41586, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David M. Horak
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 41586 WI
Self-reported in NPPES; status is on the state search - Practice location
- 325 N Commercial St, Neenah, WI 54956
- Phone
- (920) 722-1583
- Enumerated
- Dec 22, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (920) 722-7454
- Medicaid ID
- 34167300 WI
- Medicare enrollment
- Enrolled (PECOS I20040517000643); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1998
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,005 in Wisconsin → Look up another NPI →
Also registered at 325 N Commercial St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Corbin Asbury, MDDiagnostic Radiology Physician1316923386
- John Aufderheide, MDDiagnostic Radiology Physician1760460075
- Frank Barber, MDDiagnostic Radiology Physician1235115098
- Lawrence Bauer, MDDiagnostic Radiology Physician1235115205
- Daniel Camacho, MDDiagnostic Radiology Physician1861478844
- Allen Chantelois, MDDiagnostic Radiology Physician1477539450
Verify David M. Horak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 41586Check 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 2 group practices
- Orthopedic And Sports Medicine Specialists OF Green Bay SCNeenah, WI
- Radiology Associates OF The Fox Valley SCShawano, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David M. Horak among 1,005 diagnostic radiology physician records in Wisconsin
David M. Horak, MD is one of 1,005 diagnostic radiology physician records with a practice address in Wisconsin. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1998 · median 2006 among the 664 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 diagnostic radiology physician records list a practice address in Neenah
They are 31 of the 919 NPPES records with a practice address in Neenah, and 1,005 diagnostic radiology physician records in Wisconsin.
All 1,005 in Wisconsin → Every provider in Neenah → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Corbin Asbury, MDNeenah, WI 549561316923386
- Lawrence Bauer, MDNeenah, WI 549561235115205
- Daniel Camacho, MDNeenah, WI 549561861478844
- Allen Chantelois, MDNeenah, WI 549561477539450
- Joseph Introcaso, M.D., D.M.D.Neenah, WI 549561295735348
- Keith Knepel, MDNeenah, WI 549561770569774
- Paul Larson, MDNeenah, WI 549561013993013
- Rudolph Lin, MDNeenah, WI 549561083690085
Common questions
What is David M. Horak, MD's NPI number?
David M. Horak, MD's National Provider Identifier (NPI) is 1730165515, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David M. Horak, MD located?
The NPPES record lists a practice address at 325 N Commercial St, Neenah, WI, 54956. Phone: (920) 722-1583. Providers update this record themselves, so call before visiting.
How can I verify David M. Horak, MD's license?
NPPES lists Wisconsin license number 41586, 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.