James Alstott, M.D.
NPI 1477896355 · Nephrology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Alstott, M.D. is a Nephrology Physician provider in Madison, WI (NPI 1477896355).
Provider details
- NPI number
- 1477896355
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 67488 (WI)
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 tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
860 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 172 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 139 | $15 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 121 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 101 | $91 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 70 | $134 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 82 | 20 |
| Furosemide | 70 | 21 |
| Empagliflozinbrand: Jardiance | 67 | 13 |
| Lisinopril | 62 | 20 |
| Losartan Potassium | 55 | 11 |
| Calcitriol | 45 | 15 |
| Nifedipinebrand: Nifedipine Er | 40 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-29
- Last updated
- 2022-08-11
- Certified
- 2022-08-11
Frequently asked questions
- What is James Alstott's NPI number?
- James Alstott's National Provider Identifier (NPI) is 1477896355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Alstott's specialty?
- James Alstott is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is James Alstott located?
- James Alstott's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-4024.
- What is James Alstott's phone number?
- The practice phone number listed in the NPPES registry for James Alstott is (082) 625-4206.
- Does James Alstott accept Medicare?
- James Alstott is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Alstott's NPI active?
- Yes — James Alstott's NPI (1477896355) is active in the NPPES registry as of the last update on 2022-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.