Douglas Owen Clark, MD
Obstetrics & Gynecology Physician · Brookfield, WI
Douglas Owen Clark, MD is an obstetrics & gynecology physician with a practice address in Brookfield, Wisconsin, and NPI 1821308974, issued on Oct 7, 2010. Check the license (Wisconsin 16533, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Douglas Owen Clark
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 16533 WI
Self-reported in NPPES; status is on the state search - Practice location
- 21010 Black Walnut LN, Brookfield, WI 53045
- Phone
- (262) 780-0594
- Enumerated
- Oct 7, 2010
- Record last updated
- May 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Verify Douglas Owen Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 16533Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Douglas Owen Clark among 796 obstetrics & gynecology physician records in Wisconsin
Douglas Owen Clark, 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 not. Its NPI, issued in 2010, is newer than 67% of them.
- NPI issued2010 · 67% of these records are older, 30% newer
- In a Medicare fileNo · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2016 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 796 in Wisconsin → Every provider in Brookfield → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Patricia Barwig, MDBrookfield, WI 530451235194499
- Melanie Delaney, M.D.Brookfield, WI 530451891061883
- Roseann Gumina, M.D.Brookfield, WI 530451295728681
- Joseph Herzog, M.D.Brookfield, WI 530451508859901
- Anthony Hoang, MDBrookfield, WI 530451376597419
- Hillary Kufahl Janicki, M.D.Brookfield, WI 530451871793612
- Candice Lovell, M.D.Brookfield, WI 530451780759670
- Steven McCann, MDBrookfield, WI 530451932165636
Common questions
What is Douglas Owen Clark, MD's NPI number?
Douglas Owen Clark, MD's National Provider Identifier (NPI) is 1821308974, issued on Oct 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Owen Clark, MD located?
The NPPES record lists a practice address at 21010 Black Walnut LN, Brookfield, WI, 53045. Phone: (262) 780-0594. Providers update this record themselves, so call before visiting.
How can I verify Douglas Owen Clark, MD's license?
NPPES lists Wisconsin license number 16533, 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. 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.