Patrick O'Malley, D.O.
Family Medicine Physician · Oconomowoc, WI
Patrick O'Malley, D.O. is a family medicine physician with a practice address in Oconomowoc, Wisconsin, and NPI 1891839759, issued on Feb 16, 2007. Check the license (Wisconsin 43409, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Patrick O'Malley
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 43409 WI
Self-reported in NPPES; status is on the state search - Practice location
- 888 Thackeray Trl, Oconomowoc, WI 53066
- Phone
- (262) 560-9700
- Enumerated
- Feb 16, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 888 Thackeray Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Patrick O'Malley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 43409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Patrick O'Malley among 3,765 family medicine physician records in Wisconsin
Patrick O'Malley, D.O. is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% 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 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 41% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 family medicine physician records list a practice address in Oconomowoc
They are 12 of the 506 NPPES records with a practice address in Oconomowoc, and 3,765 family medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,765 in Wisconsin → Every provider in Oconomowoc → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Stephanie Baginski, M.D.Summit, WI 530661992816748
- Paramjit Bamrah, MDSummit, WI 530661700935921
- Michael Cummens, M.D.Oconomowoc, WI 530661417014531
- James Gatto, MDSummit, WI 530661932214020
- John Gucciardi, M.D.Oconomowoc, WI 530661760417430
- Dale Johnson, MDOconomowoc, WI 530661447211404
- Kyle Kircher, M.D.Oconomowoc, WI 530661639155872
- Christina Meyer, MDSummit, WI 530661750332508
Common questions
What is Patrick O'Malley, D.O.'s NPI number?
Patrick O'Malley, D.O.'s National Provider Identifier (NPI) is 1891839759, issued on Feb 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Patrick O'Malley, D.O. located?
The NPPES record lists a practice address at 888 Thackeray Trl, Oconomowoc, WI, 53066. Phone: (262) 560-9700. Providers update this record themselves, so call before visiting.
How can I verify Patrick O'Malley, D.O.'s license?
NPPES lists Wisconsin license number 43409, 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.