Doctor profile · Federal record

Dr. Nicholas Rizzo, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · South Bend, IN

  • NPI 1669447272
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 32 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
615 N Michigan St Fl 1
South Bend, IN 466011033
(574) 647-3050
fax (574) 647-1094
Additional location
4515 Seton Center Pkwy Ste 220
Austin, TX 787595784
(512) 338-8388
fax (512) 406-6274
Additional location
7270 W College Dr, Suite 102
Palos Heights, IL 604631154
(708) 603-5980
fax (708) 589-9059
Mailing address
7270 W. College Drive, Suite 102
Palos Heights, IL 604631180

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
March 19, 2024
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (4)
Indiana #01092630A · Texas #S4223 · Tennessee #61331 · Illinois #036095309

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669447272. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,789
Distinct HCPCS
10
Medicare allowed
$352,276
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 790 366 $94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 459 128 $83
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 390 62 $65
99214 Established patient office or other outpatient visit, 30-39 minutes 334 239 $133
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 240 240 $134
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 237 69 $125
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 195 151 $136
99239 Hospital discharge day management, more than 30 minutes 134 105 $119
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 109 19 $50
87804 Detection test by immunoassay with direct visual observation for influenza virus 106 45 $16

In context: peer comparison

Among 19 peers in South Bend Internal Medicine Physician, average services per provider: 131. This provider delivers 29× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$66
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 3 $65.86

By nature of payment

Food and Beverage
$66

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,595
Patients
958
Total drug cost
$44,061
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 306 100 $5,998
Atorvastatin Calcium Generic 285 108 $4,923
Losartan Potassium Generic 229 83 $3,258
Amlodipine Besylate Generic 222 85 $2,321
Levothyroxine Sodium Generic 206 73 $4,224
Rosuvastatin Calcium Generic 192 69 $3,053
Pantoprazole Sodium Generic 185 74 $3,304
Tamsulosin Hcl Generic 171 59 $4,843
Metformin Hcl ER (Metformin Hcl) Brand 143 52 $2,197
Furosemide Generic 130 56 $880

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Rizzo's medical specialty?
Dr. Nicholas Rizzo practices Internal Medicine Physician in South Bend, IN.
Where does Dr. Nicholas Rizzo practice?
Dr. Nicholas Rizzo practices at 615 N Michigan St Fl 1, South Bend, IN 466011033. Office phone: 5746473050.
What is Dr. Nicholas Rizzo's NPI?
Dr. Nicholas Rizzo's National Provider Identifier (NPI) is 1669447272, issued by NPPES.
Does Dr. Nicholas Rizzo accept Medicare assignment?
Yes. Dr. Nicholas Rizzo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Rizzo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.