Marcio A. Shiokawa, MD
Hospitalist Physician · Fond Du Lac, WI
Marcio A. Shiokawa, MD is a hospitalist physician with a practice address in Fond Du Lac, Wisconsin, and NPI 1629388475, issued on Oct 14, 2010. Check the license (Wisconsin 64649, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marcio A. Shiokawa
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 64649 WI
MT 194536 PA
Self-reported in NPPES; status is on the state search - Practice location
- 430 E Division St, Fond Du Lac, WI 54935
- Phone
- (920) 926-8340
- Enumerated
- Oct 14, 2010
- Record last updated
- Nov 17, 2022
- Fax
- (920) 926-8370
- Medicare enrollment
- Enrolled (PECOS I20160127002393); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 in Wisconsin → Look up another NPI →
Also registered at 430 E Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jan Andrews, RNMedical-Surgical Registered Nurse1972594679
- Cheryl Apel, RNRegistered Nurse1750181681
- Mary Arrigoni, CRNACertified Registered Nurse Anesthetist1033106125
- Andrea Aul, MDPediatrics Physician1447888110
Verify Marcio A. Shiokawa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 64649Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average hospitalist physician in 2024
1,243 Medicare Part D claims for 242 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Lisinopril62 claims
- Carvedilol55 claims
- Atorvastatin Calcium48 claims
- Pantoprazole Sodium47 claims
- Furosemide45 claims
- Prednisone39 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.
Industry payments in 2024: $19.04
1 payment: food and beverage; the largest payer was Abbvie Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Agnesian Healthcare IncFond Du Lac, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcio A. Shiokawa among 894 hospitalist physician records in Wisconsin
Marcio A. Shiokawa, MD is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 34% of them.
- NPI issued2010 · 34% of these records are older, 62% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2000 · median 2011 among the 768 with a school on file
- Record last updated2022 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Wisconsin
There are 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Fond Du Lac → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Desirae Budi, DOFond Du Lac, WI 549351982042719
- Rolando Espiritu, MDFon Du Lac, WI 549351366592271
- Hiwot Gobezie, MDFond Du Lac, WI 549351326677196
- Sunil Kumar, M.D.Fond Du Lac, WI 549351588942338
- Noman Mahmood, MDFond Du Lac, WI 549351851616122
- Kasra Milani, MDFond Du Lac, WI 549351124089750
- Riyazuddin Mogalai, MDFond Du Lac, WI 549351790931103
- Amena Nazeer, MDFond Du Lac, WI 549351740374081
Common questions
What is Marcio A. Shiokawa, MD's NPI number?
Marcio A. Shiokawa, MD's National Provider Identifier (NPI) is 1629388475, issued on Oct 14, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Marcio A. Shiokawa, MD located?
The NPPES record lists a practice address at 430 E Division St, Fond Du Lac, WI, 54935. Phone: (920) 926-8340. Providers update this record themselves, so call before visiting.
How can I verify Marcio A. Shiokawa, MD's license?
NPPES lists Wisconsin license number 64649, 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 Marcio A. Shiokawa, MD prescribe under Medicare Part D?
In 2024, Marcio A. Shiokawa, MD had 1,243 Medicare Part D claims for 242 beneficiaries; the average among hospitalist physician prescribers was 521. 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.