Active NPI
Chaparral Medical Group Inc.
- General Practice Physician
- San Francisco, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- Legal business name
- CHAPARRAL MEDICAL GROUP INC.
- Practice address
- 832 Folsom St Ste 700
San Francisco, CA 94107-1142 - Phone
- (909) 398-1550
- NPI assigned
- Feb 24, 2026
- Last updated
- Feb 24, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Prasad A Jeereddi
- Title
- President
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Physician | 208D00000X | Primary | ||
| Case Manager/Care Coordinator | 171M00000X | |||
| Supports Brokerage Agency | 251X00000X |
Addresses
Primary practice location
832 Folsom St Ste 700
San Francisco, CA 94107-1142
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 CA
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| 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 14
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
-
- Cardiovascular Disease Physician
- Upland, CA
- NPI 1639869605
O20040331001684
-
- General Practice Physician
- Bakersfield, CA
- NPI 1720785926
O20040331001684
-
- Cardiovascular Disease Physician
- Upland, CA
- NPI 1831442078
O20040331001684
-
- Dermatology Physician
- Rancho Cucamonga, CA
- NPI 1093777666
O20040331001684
-
dba Southern California Center for Neuro Science and Spine,Inc.
- Neurological Surgery Physician
- San Bernardino, CA
- NPI 1194993055
O20040331001684
-
- Cardiovascular Disease Physician
- Rancho Cucamonga, CA
- NPI 1346639952
O20040331001684
-
- Endocrinology, Diabetes & Metabolism Physician
- Rancho Cucamonga, CA
- NPI 1376940221
O20040331001684
National Provider Directory
National Provider Directory- Tax ID family
- Chaparral Medical Groupinc
Other organizations with this tax ID 33
Organizations that report the same tax identification number in the National Provider Directory.
-
- Rheumatology Physician
- Rancho Cucamonga, CA
- NPI 1114627510
-
- Rheumatology Physician
- Upland, CA
- NPI 1144282732
-
- Neurological Surgery Physician
- Pomona, CA
- NPI 1386606259
-
- Neurology Physician
- Upland, CA
- NPI 1386607950
-
- Nephrology Physician
- Claremont, CA
- NPI 1487395588
-
- Endocrinology, Diabetes & Metabolism Physician
- Rancho Cucamonga, CA
- NPI 1508583089
-
- Family Medicine Physician
- Pomona, CA
- NPI 1528020112
-
- Nephrology Physician
- Claremont, CA
- NPI 1699418038
-
- General Practice Physician
- Los Angeles, CA
- NPI 1841144094
-
- Cardiovascular Disease Physician
- Chino Hills, CA
- NPI 1851453757
-
- Family Medicine Physician
- Claremont, CA
- NPI 1962464529
-
- Physician Assistant
- Pomona, CA
- NPI 1073243655
Practitioners & affiliated clinicians
Practitioners 1
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.
-
- Endocrinology, Diabetes & Metabolism Physician
- Pomona, CA
- NPI 1821058470
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1771891200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1771891200000",
"number": "1316891567",
"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": "909-398-1488"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "832 FOLSOM ST STE 700",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941071142",
"telephone_number": "909-398-1550"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "CHAPARRAL MEDICAL GROUP INC.",
"organizational_subpart": "NO",
"enumeration_date": "2026-02-24",
"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": "PRESIDENT",
"authorized_official_telephone_number": "909-469-1823"
},
"taxonomies": [
{
"code": "208D00000X",
"taxonomy_group": "",
"desc": "General Practice",
"state": null,
"license": null,
"primary": true
},
{
"code": "171M00000X",
"taxonomy_group": "",
"desc": "Case Manager/Care Coordinator",
"state": null,
"license": null,
"primary": false
},
{
"code": "251X00000X",
"taxonomy_group": "",
"desc": "Supports Brokerage",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Francisco, 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.