James Bigham, MD
NPI 1558595363 · Family Medicine Physician · Madison, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Bigham, MD is a Family Medicine Physician provider in Madison, WI (NPI 1558595363).
Provider details
- NPI number
- 1558595363
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 55116 (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
17 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
1,759 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) |
|---|---|---|
| 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 | 403 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 395 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 385 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 147 | $83 |
| Blood Test, Clotting Time85610 | 137 | $4 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 695 | 174 |
| Amlodipine Besylate | 465 | 109 |
| Levothyroxine Sodium | 297 | 69 |
| Lisinopril | 293 | 75 |
| Rosuvastatin Calcium | 287 | 81 |
| Apixabanbrand: Eliquis | 265 | 46 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-07
- Last updated
- 2021-01-06
- Certified
- 2021-01-06
Frequently asked questions
- What is James Bigham's NPI number?
- James Bigham's National Provider Identifier (NPI) is 1558595363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Bigham's specialty?
- James Bigham is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Bigham located?
- James Bigham's practice location on file with NPPES is 7102 Mineral Point Rd, Madison, WI 53717-1706.
- What is James Bigham's phone number?
- The practice phone number listed in the NPPES registry for James Bigham is (608) 828-7603.
- Does James Bigham accept Medicare?
- James Bigham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Bigham's NPI active?
- Yes — James Bigham's NPI (1558595363) is active in the NPPES registry as of the last update on 2021-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.