Marissa Leigh Zehren, APNP
Family Nurse Practitioner · Green Bay, WI
Marissa Leigh Zehren, APNP is a family nurse practitioner with a practice address in Green Bay, Wisconsin, and NPI 1811349970, issued on Jul 12, 2016. Check the license (Wisconsin 6997-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Leigh Zehren
- Credential
- APNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 6997-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 301 Bay Park SQ, Green Bay, WI 54304
- Phone
- (920) 592-9475
- Enumerated
- Jul 12, 2016
- Record last updated
- Jul 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (920) 592-9479
- Medicare enrollment
- Enrolled (PECOS I20160803000663); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at 301 Bay Park SQ
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rachael Cabral Guevara, FNPFamily Nurse Practitioner1861641516
- Debra Christensen, APNPFamily Nurse Practitioner1730361825
- James Fornes , Od, O.D.Optometrist1265484042
- Elaine Smith, PAPhysician Assistant1285684662
Verify Marissa Leigh Zehren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6997-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family nurse practitioner in 2024
22 Medicare Part D claims, 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.
Bills Medicare through one group practice
- Bellin Memorial Hospital IncGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa Leigh Zehren among 2,814 family nurse practitioner records in Wisconsin
Marissa Leigh Zehren, APNP 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 2016, is newer than 38% of them.
- NPI issued2016 · 38% of these records are older, 57% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2016 · median 2019 among the 1,740 with a school on file
- Record last updated2016 · 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).
215 family nurse practitioner records list a practice address in Green Bay
They are 215 of the 4,619 NPPES records with a practice address in Green Bay, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Green Bay → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Denise Bianco, FNPGreen Bay, WI 543041225225733
- Kayla BranamGreen Bay, WI 543041114389087
- Rachael Cabral Guevara, FNPGreen Bay, WI 543041861641516
- Rita Christensen, APNPGreen Bay, WI 543041841308681
- Debra Christensen, APNPGreen Bay, WI 543041730361825
- Candice CrabbGreen Bay, WI 543041003266313
- Stephanie Ellman, ARNPGreen Bay, WI 543041770834459
- Kari Jossart, N.P.Green Bay, WI 543041790829943
Common questions
What is Marissa Leigh Zehren, APNP's NPI number?
Marissa Leigh Zehren, APNP's National Provider Identifier (NPI) is 1811349970, issued on Jul 12, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Leigh Zehren, APNP located?
The NPPES record lists a practice address at 301 Bay Park SQ, Green Bay, WI, 54304. Phone: (920) 592-9475. Providers update this record themselves, so call before visiting.
How can I verify Marissa Leigh Zehren, APNP's license?
NPPES lists Wisconsin license number 6997-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Leigh Zehren, APNP prescribe under Medicare Part D?
In 2024, Marissa Leigh Zehren, APNP had 22 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. 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.