Nathan Wallenfang, NP
Psychiatric/Mental Health Nurse Practitioner · Marinette, WI
Nathan Wallenfang, NP is a psychiatric/mental health nurse practitioner with a practice address in Marinette, Wisconsin, and NPI 1386090512, issued on May 6, 2016. Check the license (Wisconsin 6862, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathan Wallenfang
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 6862 WI
209-020256 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4061 Old Peshtigo RD, Marinette, WI 54143
- Phone
- (715) 732-8100
- Enumerated
- May 6, 2016
- Record last updated
- Jan 16, 2026
- Fax
- (715) 732-8007
- Medicaid IDs
- 100059198 WI
100159456 WI - Medicare enrollment
- Enrolled (PECOS I20211029000296); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 710 in Wisconsin → Look up another NPI →
Also registered at 4061 Old Peshtigo RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carrie Anderson, RNDiabetes Educator Registered Nurse1346834744
- Susan Arcaro, DOAnesthesiology Physician1295743862
- Karin Beal, LCSWClinical Social Worker1669008488
- Debora Bensi, MDFamily Medicine Physician1558542332
- Ulysses Boco, MDFamily Medicine Physician1396239372
- Christy Brown, APNPNurse Practitioner1740299387
Verify Nathan Wallenfang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024
3,124 Medicare Part D claims for 238 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Bupropion Xl157 claims
- Hydroxyzine Hcl149 claims
- Buspirone Hcl142 claims
- Lamotrigine136 claims
- Trazodone Hcl133 claims
- Quetiapine Fumarate127 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
- Advocate Health And Hospitals CorporationChicago, IL
- Aurora Medical Group, Inc.Two Rivers, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Wallenfang among 710 psychiatric/mental health nurse practitioner records in Wisconsin
Nathan Wallenfang, NP is one of 710 psychiatric/mental health nurse practitioner records with a practice address in Wisconsin. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 31% of them.
- NPI issued2016 · 31% of these records are older, 66% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2015 · median 2020 among the 458 with a school on file
- Record last updated2026 · 20% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Wisconsin
There are 710 psychiatric/mental health nurse practitioner records in Wisconsin.
All 710 in Wisconsin → Every provider in Marinette → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Heather Fochesato, APNPMarinette, WI 541431821482795
- Jennifer Krause, APNPMarinette, WI 541431750834057
- Meghan Russell, DNP, FNP-BCMarinette, WI 541431538698618
- Tammy Weyenberg, APNPLittle Chute, WI 541401871748418
- Tanya Malek, APNPOconto, WI 541531063801975
- Hadassa Abramov, NPKaukauna, WI 541301639092422
- Margaret Brochocki, APNP PMHNP-BCDe Pere, WI 541151033722392
- Kayla Kennedy, NPDe Pere, WI 541151922723261
Common questions
What is Nathan Wallenfang, NP's NPI number?
Nathan Wallenfang, NP's National Provider Identifier (NPI) is 1386090512, issued on May 6, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Wallenfang, NP located?
The NPPES record lists a practice address at 4061 Old Peshtigo RD, Marinette, WI, 54143. Phone: (715) 732-8100. Providers update this record themselves, so call before visiting.
How can I verify Nathan Wallenfang, NP's license?
NPPES lists Wisconsin license number 6862, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Nathan Wallenfang, NP prescribe under Medicare Part D?
In 2024, Nathan Wallenfang, NP had 3,124 Medicare Part D claims for 238 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.