Doctor profile · Federal record
Dr. Ronald Ortizo
Gastroenterology Physician (CMS: Gastroenterology) · Riverside, CA
- NPI 1124405956
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
6405 Day St
Riverside, CA 925070901
(951) 697-5464
fax (951) 697-5445 - Additional location
-
7117 Brockton Ave
Riverside, CA 925062658
(951) 321-6329
fax (951) 784-5568
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- April 15, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A147111
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124405956. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
686
Distinct HCPCS
9
Medicare allowed
$79,724
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 183 | 182 | $21 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 179 | 178 | $254 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 86 | 85 | $5 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 69 | 49 | $132 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 53 | 52 | $85 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 45 | 39 | $132 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 44 | 44 | $171 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 14 | 14 | $116 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 12 | $94 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 55. This provider delivers 12× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,452
Patients
793
Total drug cost
$37,986
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 363 | 138 | $9,130 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 316 | 248 | $5,511 |
| Famotidine | Generic | 192 | 68 | $3,981 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 121 | 112 | $1,729 |
| Dicyclomine Hcl | Generic | 73 | 35 | $3,007 |
| Pantoprazole Sodium | Generic | 62 | 28 | $1,141 |
| Loperamide (Loperamide Hcl) | Brand | 58 | 20 | $1,649 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 53 | 46 | $1,505 |
| Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 53 | 47 | $1,058 |
| Esomeprazole Magnesium | Generic | 34 | 0 | $1,404 |
Hospital affiliations
Frequently asked questions
What is Dr. Ronald Ortizo's medical specialty?
Dr. Ronald Ortizo practices Gastroenterology Physician in Riverside, CA.
Where does Dr. Ronald Ortizo practice?
Dr. Ronald Ortizo practices at 6405 Day St, Riverside, CA 925070901. Office phone: 9516975464.
What is Dr. Ronald Ortizo's NPI?
Dr. Ronald Ortizo's National Provider Identifier (NPI) is 1124405956, issued by NPPES.
Does Dr. Ronald Ortizo accept Medicare assignment?
Yes. Dr. Ronald Ortizo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Ortizo commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500). Source: CMS Medicare Physician & Other Practitioners file.