Joi M. Davis, DO
Obstetrics & Gynecology Physician · Waukesha, WI
Joi M. Davis, DO is an obstetrics & gynecology physician with a practice address in Waukesha, Wisconsin, and NPI 1932172988, issued on Feb 9, 2006. Check the license (Wisconsin 31989, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Joi M. Davis
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 31989 WI
31989021 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Delafield St, Waukesha, WI 53188
- Phone
- (262) 544-4411
- Enumerated
- Feb 9, 2006
- Record last updated
- May 15, 2023
- Fax
- (262) 650-3856
- Medicaid ID
- 30058600 WI
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at 1111 Delafield St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Beth Angsten, M.D.Obstetrics & Gynecology Physician1174596217
- Amy Attwell, MDPediatric Adolescent Medicine Physician1972578383
- April Barron, MS, RD, CSR, CDRegistered Dietitian1144347758
- Stephen Bartos, MDSurgery Physician1083601645
- Gerald Berman, M.D.Internal Medicine Physician1215909734
- Joseph BestOral and Maxillofacial Surgery (Dentist)1881702439
Verify Joi M. Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 31989Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
41 Medicare Part D claims for 22 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
Joi M. Davis among 796 obstetrics & gynecology physician records in Wisconsin
Joi M. Davis, DO 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 fileNo · 60% of these records are
- 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).
29 obstetrics & gynecology physician records list a practice address in Waukesha
They are 29 of the 2,814 NPPES records with a practice address in Waukesha, and 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Waukesha → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Dana Akiya, MDWaukesha, WI 531881407915796
- Beth Angsten, M.D.Waukesha, WI 531881174596217
- Lorree Dyoco, MDWaukesha, WI 531881497728448
- Laura Epperson, MDWaukesha, WI 531881225028715
- Darin Gregory, MDWaukesha, WI 531881023189198
- Jessica Herzberg, MDWaukesha, WI 531881750570180
- Sarah Janz, M.D.Waukesha, WI 531881336367168
- Roger Lalich, DOWaukesha, WI 531881326038811
Common questions
What is Joi M. Davis, DO's NPI number?
Joi M. Davis, DO's National Provider Identifier (NPI) is 1932172988, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joi M. Davis, DO located?
The NPPES record lists a practice address at 1111 Delafield St, Waukesha, WI, 53188. Phone: (262) 544-4411. Providers update this record themselves, so call before visiting.
How can I verify Joi M. Davis, DO's license?
NPPES lists Wisconsin license number 31989, 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 Joi M. Davis, DO prescribe under Medicare Part D?
In 2024, Joi M. Davis, DO had 41 Medicare Part D claims for 22 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.