NPPES file of Aug 9, 2026

Diane M. Oppeneer, APNP

Nurse Practitioner · Manitowoc, WI

Diane M. Oppeneer, APNP is a nurse practitioner with a practice address in Manitowoc, Wisconsin, and NPI 1831174143, issued on Dec 8, 2005. Check the license (Wisconsin 2302-033, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831174143
Name
Diane M. Oppeneer
Credential
APNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
2302-033 WI
Self-reported in NPPES; status is on the state search
Practice location
1650 S 41St St, Manitowoc, WI 54220
Phone
(920) 476-6200
Enumerated
Dec 8, 2005
Record last updated
Oct 9, 2025
Medicaid ID
411763000 WI
Medicare enrollment
Enrolled (PECOS I20060626000309); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1650 S 41St St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Suraiya Afroz, D.O.Rheumatology Physician1750776266
  2. Jeffrey Allen, MDFamily Medicine Physician1962410514
  3. Nicole Artamenko, FNP-CFamily Nurse Practitioner1083312409
  4. Thomas Asuma, ATC, LATAthletic Trainer1881650083
  5. David Augustine, M.D.Family Medicine Physician1619083185
  6. Barbara Backus, N.P.Family Nurse Practitioner1013023597

Verify Diane M. Oppeneer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 2302-033
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.8 times the Medicare Part D claims of the average nurse practitioner in 2024

4,204 Medicare Part D claims for 212 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 99 claims were for opioids.

  1. Diane Oppeneer4,204
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium165 claims
  2. Gabapentin153 claims
  3. Omeprazole128 claims
  4. Lisinopril122 claims
  5. Pantoprazole Sodium93 claims
  6. Albuterol Sulfate Hfa91 claims

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.

Bills Medicare through 2 group practices

  1. Froedtert Manitowoc Medical Group, LLCSheboygan, WI
  2. Lakeshore Community Health Care, IncSheboygan, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diane M. Oppeneer among 3,995 nurse practitioner records in Wisconsin

Diane M. Oppeneer, APNP is one of 3,995 nurse practitioner 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. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2003 · median 2017 among the 2,701 with a school on file
  • Record last updated2025 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 nurse practitioner records list a practice address in Manitowoc

They are 34 of the 765 NPPES records with a practice address in Manitowoc, and 3,995 nurse practitioner records in Wisconsin.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Sarah Bouc, NP-CManitowoc, WI 542201619302239
  2. Ellen Eddleman, APNPManitowoc, WI 542201407029036
  3. Sharon Glandt, NPManitowoc, WI 542201649387572
  4. Jamie Heiman, DCManitowoc, WI 542201083786859
  5. Annette Kaminsky, APNPManitowoc, WI 542201831184142
  6. Heidi Loewe, N.P.Manitowoc, WI 542201518016310
  7. Veronica McFarlane, APNPManitowoc, WI 542201063809499
  8. Lorijean Mettetal, FNP-CManitowoc, WI 542201336491430

Common questions

What is Diane M. Oppeneer, APNP's NPI number?

Diane M. Oppeneer, APNP's National Provider Identifier (NPI) is 1831174143, issued on Dec 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Diane M. Oppeneer, APNP located?

The NPPES record lists a practice address at 1650 S 41St St, Manitowoc, WI, 54220. Phone: (920) 476-6200. Providers update this record themselves, so call before visiting.

How can I verify Diane M. Oppeneer, APNP's license?

NPPES lists Wisconsin license number 2302-033, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Diane M. Oppeneer, APNP prescribe under Medicare Part D?

In 2024, Diane M. Oppeneer, APNP had 4,204 Medicare Part D claims for 212 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.