Ronald Ortizo

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

A147111 Issued in CA

Practice address

6405 Day St
Riverside, CA 92507-0901

Phone

(951) 697-5464

Fax

(951) 697-5445

NPI assigned

Apr 30, 2015

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Gastroenterology

Education

George Washington University School of Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Riverside Medical Clinic IncGroup PAC ID 2961492327, 173 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Riverside Community Hospital Hospital, Riverside, CA, CCN 050022

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Riverside Medical Clinic, Inc

  • Dermatology Physician
  • Riverside, CA
  • NPI 1720183403
  Medicare reassignment Care Compare group NPD
• Riverside Medical Clinic, Inc

  • Internal Medicine Physician
  • Riverside, CA
  • NPI 1730180415
  NPD
• RMC Surgery Center, LLC

  • Ambulatory Surgical Clinic/Center
  • Riverside, CA
  • NPI 1396709077
  NPD (past)
• Riverside Medical Center

  • Critical Access Hospital
  • Franklinton, LA
  • NPI 1700874062
  NPD (past)
• Riverside Medical Center

  • Home Infusion Therapy Pharmacy
  • Kankakee, IL
  • NPI 1922164458
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Riverside Healthcare System, L.P.

  • General Acute Care Hospital
  • Riverside, CA
  • NPI 1114971660
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1430352000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744675200000",
    "number": "1124405956",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6405 DAY ST",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925070901",
            "telephone_number": "951-697-5464",
            "fax_number": "951-697-5445"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6405 DAY ST",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925070901",
            "telephone_number": "951-697-5464",
            "fax_number": "951-697-5445"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7117 Brockton Ave",
            "address_purpose": "LOCATION",
            "city": "Riverside",
            "state": "CA",
            "postal_code": "925062658",
            "country_code": "US",
            "telephone_number": "951-321-6329",
            "fax_number": "951-784-5568",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ORTIZO",
        "first_name": "RONALD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-30",
        "last_updated": "2025-04-15",
        "certification_date": "2025-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A147111",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stacey Ortiz, MPT
• Stephanie Ortiz, MSW
• Vanessa Ortiz
• Veronica Ortiz
• William Ortiz
• Ryan Bradley Estacio Ortizo, M.D.
• Jessica Olayinka Osanyinpeju, MD
• Osbalda D Reina DDS Inc
• Kelsey Osborn
• Jennifer S Osborne

• Gastroenterology Physician in Riverside, CA
• Providers in Riverside, CA by specialty
• Gastroenterology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.