James W. Opoien, MD PHD
Family Medicine Physician · Marinette, WI
James W. Opoien, MD PHD is a family medicine physician with a practice address in Marinette, Wisconsin, and NPI 1265429674, issued on Sep 30, 2005. Check the license (Wisconsin 36357020, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James W. Opoien
- Credential
- MD PHD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 36357020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2820 Roosevelt Road, Marinette, WI 54143
- Phone
- (715) 735-5225
- Enumerated
- Sep 30, 2005
- Record last updated
- Nov 1, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (715) 735-5388
- Medicaid ID
- 32110200 WI
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 2820 Roosevelt Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jeffrey Urban, MDPediatrics Physician1568478519
Verify James W. Opoien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 36357020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James W. Opoien among 3,765 family medicine physician records in Wisconsin
James W. Opoien, MD PHD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2016 · 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 Marinette
They are 12 of the 452 NPPES records with a practice address in Marinette, 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 Marinette → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Debora Bensi, MDMarinette, WI 541431558542332
- Ulysses Boco, MDMarinette, WI 541431396239372
- Mridani Choudhury, M.D.Marinette, WI 541431275847519
- Christopher Kordiyak, M.D.Marinette, WI 541431174685598
- Tyler Manley, DOMarinette, WI 541431740708361
- Gary Metcalf, MDMarinette, WI 541431831216985
- John Nielsen, M.D.Marinette, WI 541431003811415
- Lara Powers, MDMarinette, WI 541431730176140
Common questions
What is James W. Opoien, MD PHD's NPI number?
James W. Opoien, MD PHD's National Provider Identifier (NPI) is 1265429674, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James W. Opoien, MD PHD located?
The NPPES record lists a practice address at 2820 Roosevelt Road, Marinette, WI, 54143. Phone: (715) 735-5225. Providers update this record themselves, so call before visiting.
How can I verify James W. Opoien, MD PHD's license?
NPPES lists Wisconsin license number 36357020, 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.