Nicholas Rizzo, M.D.
NPI 1669447272 · Internal Medicine Physician · South Bend, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Rizzo, M.D. is a Internal Medicine Physician provider in South Bend, IN (NPI 1669447272).
Provider details
- NPI number
- 1669447272
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01092630A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,996 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 795 | $96 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 569 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 472 | $135 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 375 | $79 |
| 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 | 307 | $17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 129 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 525 | 210 |
| Metoprolol Succinate | 436 | 164 |
| Levothyroxine Sodium | 338 | 113 |
| Pantoprazole Sodium | 303 | 130 |
| Amlodipine Besylate | 299 | 120 |
| Rosuvastatin Calcium | 298 | 111 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$66 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 7270 W College DrSuite 102Palos Heights, IL 60463-1154Phone: (708) 603-5980Fax: (708) 589-9059
- 4515 Seton Center Pkwy Ste 220Austin, TX 78759-5784Phone: (512) 338-8388Fax: (512) 406-6274
Registry dates
- Enumerated
- 2006-02-18
- Last updated
- 2024-03-19
- Certified
- 2024-03-19
Frequently asked questions
- What is Nicholas Rizzo's NPI number?
- Nicholas Rizzo's National Provider Identifier (NPI) is 1669447272, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Rizzo's specialty?
- Nicholas Rizzo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Rizzo located?
- Nicholas Rizzo's practice location on file with NPPES is 615 N Michigan St Fl 1, South Bend, IN 46601-1033.
- What is Nicholas Rizzo's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Rizzo is (574) 647-3050.
- Does Nicholas Rizzo accept Medicare?
- Nicholas Rizzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Rizzo's NPI active?
- Yes — Nicholas Rizzo's NPI (1669447272) is active in the NPPES registry as of the last update on 2024-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.