NPIMap

Organization Active NPI

Chaparral Medical Group Inc.

  • Cardiovascular Disease Physician
  • Upland, CA
National Provider Identifier
1639869605
Registry record updated Feb 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
Legal business name
CHAPARRAL MEDICAL GROUP INC.
Practice address
914 W Foothill Blvd Ste a
Upland, CA 91786-3785
Phone
(909) 285-6717
Fax
(909) 946-8700
NPI assigned
May 11, 2023
Last updated
Feb 24, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 24, 2026

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

Authorized official

Name
Prasad A JeereddiNPI 1821058470
Title
Ceo
Phone
(909) 469-1823

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X NU Primary
Surgery Physician 208600000X NU

Addresses

Primary practice location

914 W Foothill Blvd Ste a
Upland, CA 91786-3785

Mailing address

840 Towne Center Dr
Pomona, CA 91767-5900
Phone (909) 398-1550

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20031110000605 CA Part B Supplier - Clinic/Group Practice 6800709403 Receives reassigned benefits from 139 practitioners
13 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Claremont, CA; Pomona, CA
O20040331001684 CA Part B Supplier - Clinic/Group Practice 6800709403 Receives reassigned benefits from 114 practitioners
15 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Rancho Cucamonga, CA; San Bernardino, CA; San Francisco, CA; Upland, CA; Chino, CA; Chino Hills, CA; Bakersfield, CA

Other NPIs on the same Medicare enrollment 26

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 26

National Provider Directory

National Provider Directory

Locations

130 Harvard Ave
Claremont, CA 91711
Phone (909) 623-8796

430 W Baseline Rd
Claremont, CA 91711
Phone (909) 621-3916

1818 N Orange Grove Ave
#304
Pomona, CA 91767

520 E Foothill Blvd
Pomona, CA 91767
Phone (909) 622-3065

9140 Haven Ave
Ste 112
Rancho Cucamonga, CA 91730
Phone (626) 774-7852

9170 Haven Ave
Ste 108120
Rancho Cucamonga, CA 91730
Phone (909) 948-8754

9190 Haven Ave
#1
Rancho Cucamonga, CA 91730
Phone (909) 527-8110

9616 Archibald Ave
Ste 180
Rancho Cucamonga, CA 91730

Practitioners & affiliated clinicians

Practitioners 129

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.

View all 129

NPI Registry JSON

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

{
    "created_epoch": "1683763200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771891200000",
    "number": "1639869605",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "840 TOWNE CENTER DR",
            "city": "POMONA",
            "state": "CA",
            "postal_code": "917675900",
            "telephone_number": "909-398-1550",
            "fax_number": "909-398-0128"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "914 W FOOTHILL BLVD STE A",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917863785",
            "telephone_number": "909-285-6717",
            "fax_number": "909-946-8700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CHAPARRAL MEDICAL GROUP INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2023-05-11",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A",
        "authorized_official_last_name": "JEEREDDI",
        "authorized_official_first_name": "PRASAD",
        "authorized_official_middle_name": "A",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "909-469-1823"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Upland, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.