Marzenna M. Schoeneich, MD
Internal Medicine Physician · Green Bay, WI
Marzenna M. Schoeneich, MD is an internal medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1558460139, issued on Sep 21, 2006. Check the license (Wisconsin 73863, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marzenna M. Schoeneich
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 73863 WI
036093956 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2253 W Mason St, Green Bay, WI 54303
- Phone
- (920) 327-7300
- Enumerated
- Sep 21, 2006
- Record last updated
- Oct 3, 2023
- Fax
- (920) 327-7301
- Medicaid IDs
- 036093956 IL
100105268 WI - Medicare enrollment
- Enrolled (PECOS I20201005002830); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 2253 W Mason St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marzenna M. Schoeneich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 73863Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,299 Medicare Part D claims for 696 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 35 claims were for opioids.
Most prescribed
- Atorvastatin Calcium571 claims
- Levothyroxine Sodium323 claims
- Amlodipine Besylate299 claims
- Losartan Potassium271 claims
- Lisinopril250 claims
- Omeprazole215 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 one group practice
- Aurora Medical Group, Inc.Green Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marzenna M. Schoeneich among 2,078 internal medicine physician records in Wisconsin
Marzenna M. Schoeneich, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1989 · median 2002 among the 1,098 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
69 internal medicine physician records list a practice address in Green Bay
They are 69 of the 4,619 NPPES records with a practice address in Green Bay, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Green Bay → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Quan Ai, MDGreen Bay, WI 543031821089616
- Gregory Bottei, MDGreen Bay, WI 543031245255561
- Diane Christel, MDGreen Bay, WI 543031841216116
- Bruce Fenster, MDGreen Bay, WI 543031386660454
- Vaishali Gala, MDGreen Bay, WI 543031457388738
- Michael Gallagher, M.D.Green Bay, WI 543031174544555
- Richard Greene, MDGreen Bay, WI 543031619082609
- John Rank, MDGreen Bay, WI 543031336165877
Common questions
What is Marzenna M. Schoeneich, MD's NPI number?
Marzenna M. Schoeneich, MD's National Provider Identifier (NPI) is 1558460139, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marzenna M. Schoeneich, MD located?
The NPPES record lists a practice address at 2253 W Mason St, Green Bay, WI, 54303. Phone: (920) 327-7300. Providers update this record themselves, so call before visiting.
How can I verify Marzenna M. Schoeneich, MD's license?
NPPES lists Wisconsin license number 73863, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marzenna M. Schoeneich, MD prescribe under Medicare Part D?
In 2024, Marzenna M. Schoeneich, MD had 7,299 Medicare Part D claims for 696 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.