Nancy Rainiero, MD
NPI 1174564363 · Internal Medicine Physician · Janesville, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Rainiero, MD is a Internal Medicine Physician provider in Janesville, WI (NPI 1174564363).
Provider details
- NPI number
- 1174564363
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 29467-020 (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
988 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 | 329 | $120 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 236 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 179 | $85 |
| Administration of Influenza Virus VaccineG0008 | 44 | $30 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 42 | $13 |
| Administration of Pneumococcal VaccineG0009 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 159 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 717 | 173 |
| Atorvastatin Calcium | 713 | 189 |
| Omeprazole | 623 | 171 |
| Metoprolol Succinate | 494 | 123 |
| Furosemide | 493 | 117 |
| Losartan Potassium | 455 | 133 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-09
- Last updated
- 2020-11-06
- Certified
- 2020-11-06
Frequently asked questions
- What is Nancy Rainiero's NPI number?
- Nancy Rainiero's National Provider Identifier (NPI) is 1174564363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Rainiero's specialty?
- Nancy Rainiero is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Rainiero located?
- Nancy Rainiero's practice location on file with NPPES is 3200 E Racine St, Janesville, WI 53546-2343.
- What is Nancy Rainiero's phone number?
- The practice phone number listed in the NPPES registry for Nancy Rainiero is (608) 371-8000.
- Does Nancy Rainiero accept Medicare?
- Nancy Rainiero is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Rainiero's NPI active?
- Yes — Nancy Rainiero's NPI (1174564363) is active in the NPPES registry as of the last update on 2020-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.