John T. Siebers
Family Nurse Practitioner · Appleton, WI
John T. Siebers is a family nurse practitioner with a practice address in Appleton, Wisconsin, and NPI 1376948638, issued on Oct 29, 2014. Check the license (Wisconsin 109608, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John T. Siebers
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 109608 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3329 N Richmond St, Appleton, WI 54911
- Phone
- (920) 380-2715
- Enumerated
- Oct 29, 2014
- Record last updated
- Dec 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at 3329 N Richmond St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashraf AbbasFamily Medicine Physician1558723775
- Karen Adler-Fischer, MDFamily Medicine Physician1184619694
- Maria Editha Bautista-Santos, MDFamily Medicine Physician1386638393
- Monica Bayer, DNP, APRN, FNP-BCFamily Nurse Practitioner1659050003
- William Carlson, MDFamily Medicine Physician1659365567
- Lynn Dahlke, APNPFamily Nurse Practitioner1235324849
Verify John T. Siebers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 109608Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family nurse practitioner in 2024
76 Medicare Part D claims for 24 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
John T. Siebers among 2,814 family nurse practitioner records in Wisconsin
John T. Siebers is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 29% of them.
- NPI issued2014 · 29% of these records are older, 66% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2020 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
148 family nurse practitioner records list a practice address in Appleton
They are 148 of the 3,249 NPPES records with a practice address in Appleton, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Appleton → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lynn Dahlke, APNPAppleton, WI 549111235324849
- Jessica GorencAppleton, WI 549111942604897
- Amy Hopfensperger, APNPAppleton, WI 549111932413945
- Jennifer Jackan, APNPAppleton, WI 549111225281264
- Mary Jo Kohler, APNPAppleton, WI 549111992740971
- Marion Moreno, APNPAppleton, WI 549111467882100
- Debra Passehl, APNPAppleton, WI 549111790712867
- Patricia Schroeder, NP-CAppleton, WI 549111629354634
Common questions
What is John T. Siebers's NPI number?
John T. Siebers's National Provider Identifier (NPI) is 1376948638, issued on Oct 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John T. Siebers located?
The NPPES record lists a practice address at 3329 N Richmond St, Appleton, WI, 54911. Phone: (920) 380-2715. Providers update this record themselves, so call before visiting.
How can I verify John T. Siebers's license?
NPPES lists Wisconsin license number 109608, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does John T. Siebers prescribe under Medicare Part D?
In 2024, John T. Siebers had 76 Medicare Part D claims for 24 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is John T. Siebers's MIPS final score?
The 2023 MIPS final score is 77.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.