Platinum Providers Medical Group Inc

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

PLATINUM PROVIDERS MEDICAL GROUP INC

Practice address

6900 Brockton Ave Ste 100
Riverside, CA 92506-3817

Phone

(951) 781-3800

Fax

(951) 781-1973

NPI assigned

Sep 25, 2018

Last updated

Mar 20, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Robert G Nelson, MDNPI 1225132616

Title

President

Phone

(951) 737-8141

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

• Citrus Valley Medical Associates, Inc.

  dba Circle City Medical Group

  • Family Medicine Physician
  • Norco, CA
  • NPI 1306033709

  Member Of

  NPD member

Member organizations 1

Organizations listed as members of this organization in the National Provider Directory.

• Citrus Valley Medical Associates, Inc.

  dba Circle City Medical Group

  • Family Medicine Physician
  • Norco, CA
  • NPI 1306033709

  Member Of

  NPD member

Locations

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• John Gaspar Agtuca, D.O.

  • Internal Medicine Physician
  • Riverside, CA
  • NPI 1306200183
  Medicare reassignment Care Compare group NPD
• Peter N. Mattar, MD

  • Family Medicine Physician
  • Fontana, CA
  • NPI 1417005422
  Medicare reassignment Care Compare group NPD
• Renanda Arcadia Stevenson, DNP, FNP-BC

  • Primary Care Nurse Practitioner
  • Norco, CA
  • NPI 1366687113
  Medicare reassignment Care Compare group NPD
• Robert G Nelson, M.D.

  • Family Medicine Physician
  • Norco, CA
  • NPI 1225132616
  Authorized official Same address or phone

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

{
    "created_epoch": "1537833600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773964800000",
    "number": "1275018392",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2250 S MAIN ST STE 209",
            "city": "CORONA",
            "state": "CA",
            "postal_code": "928822507",
            "telephone_number": "951-781-3800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6900 BROCKTON AVE STE 100",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925063817",
            "telephone_number": "951-781-3800",
            "fax_number": "951-781-1973"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PLATINUM PROVIDERS MEDICAL GROUP INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2018-09-25",
        "last_updated": "2026-03-20",
        "certification_date": "2026-03-20",
        "status": "A",
        "authorized_official_last_name": "NELSON",
        "authorized_official_first_name": "ROBERT",
        "authorized_official_middle_name": "G",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "951-737-8141",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joselyn Rose Plascensia
• Cristina Plasencia, M.S.W
• Sabrina Plasencia
• Platinum Anesthesia Inc
• Platinum Medical Transportation
• Melina Platt
• Pleasant Care Corporation (Pleasant Care Riverside)
• Valerie Plesant
• Deonte Plummer
• David Plurad, M.D.

• Internal Medicine Physician in Riverside, CA
• Providers in Riverside, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.