Robert Hegeman, MD
NPI 1588630644 · Medical Oncology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Hegeman, MD is a Medical Oncology Physician provider in Madison, WI (NPI 1588630644).
Provider details
- NPI number
- 1588630644
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 37443 (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
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
2,664 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 | 556 | $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 | 347 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 274 | $120 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 234 | $168 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 210 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 113 | 30 |
| Acyclovir | 89 | 21 |
| Ondansetron Hcl | 66 | 37 |
| Tamoxifen Citrate | 61 | 14 |
| Dexamethasone | 58 | 31 |
| Prednisone | 54 | 19 |
| Prochlorperazine Maleate | 40 | 22 |
| Oxycodone Hcl | 34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-27
- Last updated
- 2021-01-22
- Certified
- 2021-01-22
Frequently asked questions
- What is Robert Hegeman's NPI number?
- Robert Hegeman's National Provider Identifier (NPI) is 1588630644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Hegeman's specialty?
- Robert Hegeman is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Hegeman located?
- Robert Hegeman's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792.
- What is Robert Hegeman's phone number?
- The practice phone number listed in the NPPES registry for Robert Hegeman is (608) 265-1700.
- Does Robert Hegeman accept Medicare?
- Robert Hegeman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Hegeman's NPI active?
- Yes — Robert Hegeman's NPI (1588630644) is active in the NPPES registry as of the last update on 2021-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.