RONALD ORTIZO
NPI 1124405956
Internal Medicine - Gastroenterology in Riverside, CA

Q: What is Ronald Ortizo's NPI number?

The NPI number for Ronald Ortizo is 1124405956. It was assigned to this individual provider in the NPPES registry on April 30, 2015.

Q: What is Ronald Ortizo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Ronald Ortizo was last updated on April 15, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 30, 2015PECOS EnrolledAccepts Medicare Assignment

6405 DAY ST, RIVERSIDE, CA 92507(951) 697-5464(951) 697-5445 Get Directions Write a Review

NPPES record last updated: April 15, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Ronald Ortizo NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RONALD ORTIZO (NPI 1124405956) is an individual gastroenterology provider in Riverside, California, licensed in California (A147111) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Riverside, and is a graduate of George Washington University School Of Medicine (2015).

NPPES Registry Identity

NPI1124405956

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameRONALD ORTIZO

Location Address6405 DAY STRiverside, CA 92507-0901

Mailing Address6405 Day StRiverside, CA 92507-0901 · (951) 697-5464 · Fax (951) 697-5445

Phone(951) 697-5464

Fax(951) 697-5445

Sole ProprietorNo

Medical School CMSGeorge Washington University School Of MedicineGraduated 2015

Enumeration DateApril 30, 2015

Last NPPES UpdateApril 15, 2025

NPPES CertifiedApril 15, 2025

✔ NPI 1124405956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in CA · A147111

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

6405 DAY ST, Riverside, CA 92507

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Secondary Practice Location 1

Location 17117 Brockton AveRiverside, CA 92506-2658 · Phone (951) 321-6329 · Fax (951) 784-5568

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ronald Ortizo is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537435441

PECOS Enrollment IDI20210812000915

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

150 services148 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

149 services147 patients

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 G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

119 services117 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

70 services58 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

55 services55 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

42 services40 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92507 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARJORIE TERESA WIMMER MD

Internal Medicine