N Casper, MD
NPI 1003883786 · Internal Medicine Physician · Madison, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
N Casper, MD is a Internal Medicine Physician provider in Madison, WI (NPI 1003883786).
Provider details
- NPI number
- 1003883786
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 33370 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,467 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 696 | $91 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 364 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 178 | $63 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 71 | $131 |
| 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 | 56 | $15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 792 | 201 |
| Losartan Potassium | 434 | 111 |
| Amlodipine Besylate | 425 | 108 |
| Omeprazole | 362 | 93 |
| Lisinopril | 326 | 77 |
| Levothyroxine Sodium | 297 | 65 |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-02
- Last updated
- 2013-02-07
Frequently asked questions
- What is N Casper's NPI number?
- N Casper's National Provider Identifier (NPI) is 1003883786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is N Casper's specialty?
- N Casper is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is N Casper located?
- N Casper's practice location on file with NPPES is 3102 Meriter Way, Madison, WI 53719-5833.
- What is N Casper's phone number?
- The practice phone number listed in the NPPES registry for N Casper is (608) 417-8800.
- Does N Casper accept Medicare?
- N Casper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is N Casper's NPI active?
- Yes — N Casper's NPI (1003883786) is active in the NPPES registry as of the last update on 2013-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.