Patrick D. Obrien, MD
Cardiovascular Disease Physician · Appleton, WI
Patrick D. Obrien, MD is a cardiovascular disease physician with a practice address in Appleton, Wisconsin, and NPI 1265427496, issued on Sep 14, 2005. Check the license (Wisconsin 27747, 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 D. Obrien
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 27747 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1506 S Oneida St, Appleton, WI 54915
- Phone
- (920) 730-6700
- Enumerated
- Sep 14, 2005
- Record last updated
- Feb 23, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 31421200 WI
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 449 in Wisconsin → Look up another NPI →
Also registered at 1506 S Oneida St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zenoun Abouzelam, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1699769695
- Stephanie Allaire, PTPhysical Therapist1346282795
- John Almquist, MDHospitalist Physician1104810118
- Heather AndersonPhysical Therapist1801049499
- Michael Arizola, PACPhysician Assistant1639163652
- Bryan Avery, MDPulmonary Disease Physician1548254568
Verify Patrick D. Obrien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 27747Check 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 D. Obrien among 449 cardiovascular disease physician records in Wisconsin
Patrick D. Obrien, MD is one of 449 cardiovascular disease physician records with a practice address in Wisconsin. 77% 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileNo · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2010 · 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 207RC0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Wisconsin
There are 449 cardiovascular disease physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 449 in Wisconsin → Every provider in Appleton → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Agei Enoh, MDAppleton, WI 549151518275718
- Kenneth Geller, MDAppleton, WI 549151356335350
- Fredric Hildebrand, MDAppleton, WI 549151992790471
- Carrie Chapman, M.D.Appleton, WI 549131396703732
- Glenn Huth, MDAppleton, WI 549131386696987
- Patrick Mannebach, MDAppleton, WI 549131801971221
- Simon Roselaar, MDAppleton, WI 549131689626632
- Abdulmohsin Ahmadjee, M.DAppleton, WI 549111225370802
Common questions
What is Patrick D. Obrien, MD's NPI number?
Patrick D. Obrien, MD's National Provider Identifier (NPI) is 1265427496, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Patrick D. Obrien, MD located?
The NPPES record lists a practice address at 1506 S Oneida St, Appleton, WI, 54915. Phone: (920) 730-6700. Providers update this record themselves, so call before visiting.
How can I verify Patrick D. Obrien, MD's license?
NPPES lists Wisconsin license number 27747, 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.