Marissa L. Schiedermayer, PA-C
Surgical Physician Assistant · Green Bay, WI
Marissa L. Schiedermayer, PA-C is a surgical physician assistant with a practice address in Green Bay, Wisconsin, and NPI 1689167942, issued on Jun 12, 2018. Check the license (Wisconsin 4397-23, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa L. Schiedermayer
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- 4397-23 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1821 S Webster Ave, Green Bay, WI 54301
- Phone
- (920) 496-4700
- Enumerated
- Jun 12, 2018
- Record last updated
- Mar 16, 2023
- Medicare enrollment
- Enrolled (PECOS I20180802003436); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 287 in Wisconsin → Look up another NPI →
Also registered at 1821 S Webster Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natasha Ahuja, MDVascular Surgery Physician1689107013
- Zhaowei Ai, MDInterventional Cardiology Physician1487645271
- Yousaf Ajam, MDNeurology Physician1841713088
- Bahareh Alavi-Dunn, MDUrology Physician1447783501
- John Andrews, MDPulmonary Disease Physician1780609073
- Serena Ashour, APNPNurse Practitioner1023623832
Verify Marissa L. Schiedermayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 4397-23Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average surgical physician assistant in 2024
244 Medicare Part D claims for 112 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 85 claims were for opioids.
Most prescribed
- Tizanidine Hcl37 claims
- Hydrocodone-Acetaminophen36 claims
- Cyclobenzaprine Hcl21 claims
- Oxycodone Hcl20 claims
- Gabapentin19 claims
- Pregabalin16 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.
The MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa L. Schiedermayer among 287 surgical physician assistant records in Wisconsin
Marissa L. Schiedermayer, PA-C is one of 287 surgical physician assistant records with a practice address in Wisconsin. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 67% of them.
- NPI issued2018 · 67% of these records are older, 25% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2018 · median 2016 among the 213 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in Wisconsin
There are 287 surgical physician assistant records in Wisconsin.
All 287 in Wisconsin → Every provider in Green Bay → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Kelly Halbach, PA-CGreen Bay, WI 543011740718105
- Angela Brashears, PA-CGreen Bay, WI 543041831424118
- Kristin Schultz, PA-CGreen Bay, WI 543071215932439
- Brooke PresnyGreen Bay, WI 543111417899089
- Michael Depew, PAManitowoc, WI 542201619032919
- Heather Heiberger, PA-CManitowoc, WI 542201447935077
- Jeffrey Ambord, PA-CWausau, WI 544011942292396
- Bradley Bodner, PA-CWausau, WI 544011093767808
Common questions
What is Marissa L. Schiedermayer, PA-C's NPI number?
Marissa L. Schiedermayer, PA-C's National Provider Identifier (NPI) is 1689167942, issued on Jun 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Marissa L. Schiedermayer, PA-C located?
The NPPES record lists a practice address at 1821 S Webster Ave, Green Bay, WI, 54301. Phone: (920) 496-4700. Providers update this record themselves, so call before visiting.
How can I verify Marissa L. Schiedermayer, PA-C's license?
NPPES lists Wisconsin license number 4397-23, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa L. Schiedermayer, PA-C prescribe under Medicare Part D?
In 2024, Marissa L. Schiedermayer, PA-C had 244 Medicare Part D claims for 112 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
What is Marissa L. Schiedermayer, PA-C's MIPS final score?
The 2023 MIPS final score is 94.6 of 100. 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.