Active NPI
Citrus Valley Medical Associates, Inc.
Doing business as Circle City Medical Group
- Family Medicine Physician
- Norco, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- Legal business name
- CITRUS VALLEY MEDICAL ASSOCIATES, INC.
- Doing business as
- Circle City Medical Group
Citrus Valley Coordinated Care Clinic
Citrus Valley Family Practice - Practice address
- 1901 Town and Country Dr
Suite 104
Norco, CA 92860 - Phone
- (951) 737-8141
- Fax
- (951) 738-9954
- NPI assigned
- Sep 28, 2007
- Last updated
- Mar 20, 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
- Dr. Robert Guy Nelson, MD
- Title
- Medical Director
- Phone
- (951) 737-8141
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 8
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | Primary | ||
| Internal Medicine Physician | 207R00000X | |||
| Cardiovascular Disease Physician | 207RC0000X | |||
| Interventional Cardiology Physician | 207RI0011X | |||
| Nuclear Medicine Physician | 207U00000X | |||
| Pediatrics Physician | 208000000X | |||
| Neurology Physician | 2084N0400X | |||
| Urgent Care Clinic/Center | 261QU0200X |
Addresses
Primary practice location
1901 Town and Country Dr
Suite 104
Norco, CA 92860
Mailing address
2250 S Main St Ste 209
Corona, CA 92882-2507
Phone (951) 737-8141
Other practice location 1
308 W 6th St Ste 101
Corona, CA 92882-3349
Phone (951) 737-0910
Other practice location 2
12523 Limonite Ave Ste 400
Eastvale, CA 91752-3666
Phone (951) 808-6298
Other practice location 3
6900 Brockton Ave Ste 100
Riverside, CA 92506-3817
Phone (951) 808-6298
Other practice location 4
2250 S Main St Ste 208
Corona, CA 92882-2507
Phone (951) 817-5000
Other practice location 5
1820 Fullerton Ave Ste 115
Corona, CA 92881-3160
Phone (951) 808-6240
Other practice location 6
2250 S Main St Ste 104
Corona, CA 92882-2538
Phone (951) 737-1454
Other practice location 7
2250 S Main St Ste 107
Corona, CA 92882-2537
Phone (951) 737-8177
Other practice location 8
2250 S Main St Ste 201
Corona, CA 92882-2536
Phone (951) 734-8461
Other practice location 9
2250 S Main St Ste 106
Corona, CA 92882-2501
Phone (951) 371-2703
Other names 10
- Circle City Medical Group
- Citrus Valley Coordinated Care Clinic
- Citrus Valley Family Practice
- Citrus Valley Internal Medicine
- Citrus Valley Pediatrics
- Citrus Valley Urgent Care
- Eastvale Medical Group
- Inland Heart Doctors
- Inland Neurology
- Norco Medical Group
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 05D0563796 | Norco Medical Group | Provider-performed microscopy | Jun 6, 2027 |
National Provider Directory
National Provider DirectoryMember of 1
Organizations this organization is a member of, according to the National Provider Directory.
-
- Internal Medicine Physician
- Riverside, CA
- NPI 1275018392
Member Of
Member organizations 1
Organizations listed as members of this organization in the National Provider Directory.
-
- Internal Medicine Physician
- Riverside, CA
- NPI 1275018392
Member Of
Locations
2250 S Main St
Ste 104
Corona, CA 92882
Phone (951) 734-3233
308 W 6th St
Ste 101
Corona, CA 92882
Phone (951) 737-0910
760 Washburn Ave
Ste 5
Corona, CA 92882
Phone (951) 737-0910
3200 E Guasti Rd
Ste 200
Ontario, CA 91761
940 N Haven Ave
Ste 18025
Ontario, CA 91764
Ownership & related parties
Subparts reporting this organization as parent 2
Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.
-
- Cardiovascular Disease Physician
- Corona, CA
- NPI 1104433176
-
- Urgent Care Clinic/Center
- Corona, CA
- NPI 1659971042
Practitioners & affiliated clinicians
Practitioners 84
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.
-
- Family Medicine Physician
- Norco, CA
- NPI 1225132616
-
- Internal Medicine Physician
- Riverside, CA
- NPI 1306200183
-
- Internal Medicine Physician
- Corona, CA
- NPI 1487740262
-
- Internal Medicine Physician
- Norco, CA
- NPI 1831143056
-
- Family Medicine Physician
- Fontana, CA
- NPI 1417005422
-
- Family Medicine Physician
- Norco, CA
- NPI 1871544163
-
- Internal Medicine Physician
- Norco, CA
- NPI 1538521067
-
- Family Medicine Physician
- Corona, CA
- NPI 1346344702
-
- Family Medicine Physician
- Corona, CA
- NPI 1255644100
-
- Internal Medicine Physician
- Corona, CA
- NPI 1639288368
-
- Surgery Physician
- Corona, CA
- NPI 1235102401
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1190937600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1773964800000",
"number": "1306033709",
"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": "951-737-8141"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1901 TOWN AND COUNTRY DR",
"address_2": "SUITE 104",
"city": "NORCO",
"state": "CA",
"postal_code": "92860",
"telephone_number": "951-737-8141",
"fax_number": "951-738-9954"
}
],
"practiceLocations": [
{
"address_1": "308 W 6th St Ste 101",
"address_purpose": "LOCATION",
"city": "Corona",
"state": "CA",
"postal_code": "928823349",
"country_code": "US",
"telephone_number": "951-737-0910",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "12523 Limonite Ave Ste 400",
"address_purpose": "LOCATION",
"city": "Eastvale",
"state": "CA",
"postal_code": "917523666",
"country_code": "US",
"telephone_number": "951-808-6298",
"fax_number": "951-523-7065",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6900 Brockton Ave Ste 100",
"address_purpose": "LOCATION",
"city": "Riverside",
"state": "CA",
"postal_code": "925063817",
"country_code": "US",
"telephone_number": "951-808-6298",
"fax_number": "951-523-7065",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2250 S Main St Ste 208",
"address_purpose": "LOCATION",
"city": "Corona",
"state": "CA",
"postal_code": "928822507",
"country_code": "US",
"telephone_number": "951-817-5000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1820 Fullerton Ave Ste 115",
"address_purpose": "LOCATION",
"city": "Corona",
"state": "CA",
"postal_code": "928813160",
"country_code": "US",
"telephone_number": "951-808-6240",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2250 S Main St Ste 104",
"address_purpose": "LOCATION",
"city": "Corona",
"state": "CA",
"postal_code": "928822538",
"country_code": "US",
"telephone_number": "951-737-1454",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2250 S Main St Ste 107",
"address_purpose": "LOCATION",
"city": "Corona",
"state": "CA",
"postal_code": "928822537",
"country_code": "US",
"telephone_number": "951-737-8177",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2250 S Main St Ste 201",
"address_purpose": "LOCATION",
"city": "Corona",
"state": "CA",
"postal_code": "928822536",
"country_code": "US",
"telephone_number": "951-734-8461",
"fax_number": "951-394-2687",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2250 S Main St Ste 106",
"address_purpose": "LOCATION",
"city": "Corona",
"state": "CA",
"postal_code": "928822501",
"country_code": "US",
"telephone_number": "951-371-2703",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "CITRUS VALLEY MEDICAL ASSOCIATES, INC.",
"organizational_subpart": "NO",
"enumeration_date": "2007-09-28",
"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": "GUY",
"authorized_official_title_or_position": "MEDICAL DIRECTOR",
"authorized_official_telephone_number": "951-737-8141",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Family Medicine",
"state": null,
"license": null,
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine",
"state": null,
"license": null,
"primary": false
},
{
"code": "207RC0000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": null,
"license": null,
"primary": false
},
{
"code": "207RI0011X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Interventional Cardiology",
"state": null,
"license": null,
"primary": false
},
{
"code": "207U00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Nuclear Medicine",
"state": null,
"license": null,
"primary": false
},
{
"code": "208000000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Pediatrics",
"state": null,
"license": null,
"primary": false
},
{
"code": "2084N0400X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Psychiatry & Neurology, Neurology",
"state": null,
"license": null,
"primary": false
},
{
"code": "261QU0200X",
"taxonomy_group": "",
"desc": "Clinic/Center, Urgent Care",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Circle City Medical Group",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Citrus Valley Coordinated Care Clinic",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Citrus Valley Family Practice",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Citrus Valley Internal Medicine",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Citrus Valley Pediatrics",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Citrus Valley Urgent Care",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Eastvale Medical Group",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Inland Heart Doctors",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Inland Neurology",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Norco Medical Group",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Norco Medical Group",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Norco, CA
Sources for this page
- 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.