Charles Stuart, MD
NPI 1548227317 · Nephrology Physician · Monroe, WI
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Stuart, MD is a Nephrology Physician provider in Monroe, WI (NPI 1548227317).
Provider details
- NPI number
- 1548227317
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 47789 (MN)
Specialties & taxonomies
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
20 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
1,863 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 370 | $61 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 332 | $90 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 226 | $108 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 151 | $329 |
| Removal of Tissue From Wound, 20.0 Sq Cm Or Less97597 | 114 | $33 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 288 | 72 |
| Sevelamer Carbonate | 114 | 32 |
| Potassium Chloride | 106 | 29 |
| Furosemide | 96 | 32 |
| Ciprofloxacin Hcl | 68 | 57 |
| Allopurinol | 45 | 15 |
| Sucroferric Oxyhydroxidebrand: Velphoro | 45 | — |
| Calcium Acetate | 41 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38 across 2 records (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
- 2006-04-27
- Last updated
- 2020-12-28
- Certified
- 2020-12-28
Frequently asked questions
- What is Charles Stuart's NPI number?
- Charles Stuart's National Provider Identifier (NPI) is 1548227317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Stuart's specialty?
- Charles Stuart is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Stuart located?
- Charles Stuart's practice location on file with NPPES is 515 22nd Ave, Monroe, WI 53566-1569.
- What is Charles Stuart's phone number?
- The practice phone number listed in the NPPES registry for Charles Stuart is (608) 324-2000.
- Does Charles Stuart accept Medicare?
- Charles Stuart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Stuart's NPI active?
- Yes — Charles Stuart's NPI (1548227317) is active in the NPPES registry as of the last update on 2020-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.