Marcio Shiokawa, MD
NPI 1629388475 · Hospitalist Physician · Fond Du Lac, WI
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcio Shiokawa, MD is a Hospitalist Physician provider in Fond Du Lac, WI (NPI 1629388475).
Provider details
- NPI number
- 1629388475
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT 194536 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
579 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 242 | $109 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 97 | $105 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 88 | $72 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 79 | $160 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 23 | $46 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 62 | 15 |
| Carvedilol | 55 | 27 |
| Atorvastatin Calcium | 48 | 26 |
| Pantoprazole Sodium | 47 | 34 |
| Furosemide | 45 | 16 |
| Prednisone | 39 | 33 |
| Hydralazine Hcl | 37 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-10-14
- Last updated
- 2022-11-17
- Certified
- 2020-12-01
Frequently asked questions
- What is Marcio Shiokawa's NPI number?
- Marcio Shiokawa's National Provider Identifier (NPI) is 1629388475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcio Shiokawa's specialty?
- Marcio Shiokawa is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Marcio Shiokawa located?
- Marcio Shiokawa's practice location on file with NPPES is 430 E Division St, Fond Du Lac, WI 54935-4560.
- What is Marcio Shiokawa's phone number?
- The practice phone number listed in the NPPES registry for Marcio Shiokawa is (920) 926-8340.
- Does Marcio Shiokawa accept Medicare?
- Marcio Shiokawa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcio Shiokawa's NPI active?
- Yes — Marcio Shiokawa's NPI (1629388475) is active in the NPPES registry as of the last update on 2022-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.