Joann C. Dudley, MD
Obstetrics & Gynecology Physician · Oconomowoc, WI
Joann C. Dudley, MD is an obstetrics & gynecology physician with a practice address in Oconomowoc, Wisconsin, and NPI 1962517128, issued on Aug 20, 2006. Check the license (Wisconsin 29862, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Joann C. Dudley
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 29862 WI
Self-reported in NPPES; status is on the state search - Practice location
- 915 Summit Ave, Oconomowoc, WI 53066
- Phone
- (262) 560-3700
- Enumerated
- Aug 20, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (262) 569-2266
- Medicaid ID
- 1962517128 WV
- Medicare enrollment
- Enrolled (PECOS I20190225000047); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at 915 Summit Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarada Abraham, M.D.Family Medicine Physician1962851972
- Gerard Adler, MDOrthopaedic Surgery Physician1891703443
- Julie Amtmann, PAPhysician Assistant1366694077
- Kelly Barry, OTD, OTR/LOccupational Therapist1528997095
- Kathryn Buyse, RDRegistered Dietitian1932324357
- Christian Camus, ODOptometrist1700895836
Verify Joann C. Dudley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 29862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
316 Medicare Part D claims for 78 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Estradiol103 claims
- Tolterodine Tartrate Er27 claims
- Progesterone24 claims
- Estradiol (Twice Weekly)21 claims
- Gemtesa19 claims
- Abrysvo15 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.
Industry payments in 2024: $19.60
1 payment: food and beverage; the largest payer was Sage Therapeutics, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Asbery And Associates OB Gyn LLCMount Vernon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joann C. Dudley among 796 obstetrics & gynecology physician records in Wisconsin
Joann C. Dudley, MD is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 47% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1985 · median 2007 among the 478 with a school on file
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Wisconsin
There are 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Oconomowoc → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Meridith Derrig, MDSummit, WI 530661780601633
- David Eggert, DOSummit, WI 530661770102212
- Rachel Fournogerakis, DOSummit, WI 530661275809519
- Kathryn Gallagher, M.D.Summit, WI 530661356669105
- Suzanne Schmidt, M.D.Oconomowoc, WI 530661770556839
- Patrick Sims, MDOconomowoc, WI 530661326155524
- Omar Sinno, MDSummit, WI 530661477997955
- Thomas Hofbauer, M.D.Pewaukee, WI 530721851568349
Common questions
What is Joann C. Dudley, MD's NPI number?
Joann C. Dudley, MD's National Provider Identifier (NPI) is 1962517128, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joann C. Dudley, MD located?
The NPPES record lists a practice address at 915 Summit Ave, Oconomowoc, WI, 53066. Phone: (262) 560-3700. Providers update this record themselves, so call before visiting.
How can I verify Joann C. Dudley, MD's license?
NPPES lists Wisconsin license number 29862, 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 Joann C. Dudley, MD prescribe under Medicare Part D?
In 2024, Joann C. Dudley, MD had 316 Medicare Part D claims for 78 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.