Ryan Porter, MD
NPI 1578725651 · Hematology & Oncology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Porter, MD is a Hematology & Oncology Physician provider in Madison, WI (NPI 1578725651).
Provider details
- NPI number
- 1578725651
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 62133-20 (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
4,247 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 | 736 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 628 | $119 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 528 | $8 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 343 | $120 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 340 | $14 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 285 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Abiraterone Acetate | 413 | 59 |
| Prednisone | 376 | 89 |
| Potassium Chloride | 101 | 33 |
| Ondansetron Hcl | 77 | 51 |
| Apixabanbrand: Eliquis | 75 | 19 |
| Prochlorperazine Maleate | 65 | 48 |
| Anastrozole | 64 | 20 |
| Bicalutamide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-30
- Last updated
- 2022-02-07
- Certified
- 2022-01-28
Frequently asked questions
- What is Ryan Porter's NPI number?
- Ryan Porter's National Provider Identifier (NPI) is 1578725651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Porter's specialty?
- Ryan Porter is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Porter located?
- Ryan Porter's practice location on file with NPPES is 1211 Fish Hatchery Rd, Madison, WI 53715-1909.
- What is Ryan Porter's phone number?
- The practice phone number listed in the NPPES registry for Ryan Porter is (608) 252-8000.
- Does Ryan Porter accept Medicare?
- Ryan Porter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Porter's NPI active?
- Yes — Ryan Porter's NPI (1578725651) is active in the NPPES registry as of the last update on 2022-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.