Chad Michael Ennis, M.D.
Otolaryngology Physician · Madison, WI
Chad Michael Ennis, M.D. is an otolaryngology physician with a practice address in Madison, Wisconsin, and NPI 1184010977, issued on Apr 8, 2015. Check the license (Wisconsin 66028-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Chad Michael Ennis
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 66028-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1 S Park St FL 6, Madison, WI 53715
- Phone
- (608) 287-2500
- Enumerated
- Apr 8, 2015
- Record last updated
- Feb 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200901000394); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 231 in Wisconsin → Look up another NPI →
Verify Chad Michael Ennis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 66028-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average otolaryngology physician in 2024
152 Medicare Part D claims for 80 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Azelastine Hcl39 claims
- Fluticasone Propionate28 claims
- Ofloxacin12 claims
- Prednisone11 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 2 group practices
- Swedishamerican HospitalRockford, IL
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chad Michael Ennis among 231 otolaryngology physician records in Wisconsin
Chad Michael Ennis, M.D. is one of 231 otolaryngology physician records with a practice address in Wisconsin. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 77% of them.
- NPI issued2015 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2015 · median 2004 among the 147 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Wisconsin
There are 231 otolaryngology physician records in Wisconsin.
All 231 in Wisconsin → Every provider in Madison → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- William Finch, MDMadison, WI 537151295790988
- Judith Green, MDMadison, WI 537151275598963
- Jason Isenberg, M.D.Madison, WI 537151043262439
- Matthew Lister, M.D.Madison, WI 537151821200239
- James Schemmel, MDMadison, WI 537151689617706
- Nathan Schreiber, M.D.Madison, WI 537151558515924
- Robert Stanley, MDMadison, WI 537151295778280
- Paul Staskowski, MDMadison, WI 537151548224264
Common questions
What is Chad Michael Ennis, M.D.'s NPI number?
Chad Michael Ennis, M.D.'s National Provider Identifier (NPI) is 1184010977, issued on Apr 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Chad Michael Ennis, M.D. located?
The NPPES record lists a practice address at 1 S Park St FL 6, Madison, WI, 53715. Phone: (608) 287-2500. Providers update this record themselves, so call before visiting.
How can I verify Chad Michael Ennis, M.D.'s license?
NPPES lists Wisconsin license number 66028-20, 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 Chad Michael Ennis, M.D. prescribe under Medicare Part D?
In 2024, Chad Michael Ennis, M.D. had 152 Medicare Part D claims for 80 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.