Active NPI
Timothy Daniel Collins, DO
- Internal Medicine Physician
- Riverside, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 20221
- Practice address
- Riverside Community Hospital, 4445 Magnolia Ave., Gme
Office
Riverside, CA 92501 - Phone
- (951) 788-3000
- NPI assigned
- Apr 8, 2019
- Last updated
- Mar 24, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 20221 | CA | Primary |
Addresses
Primary practice location
Riverside Community Hospital, 4445 Magnolia Ave., Gme
Office
Riverside, CA 92501
Mailing address
Riverside Community Hospital, 4445 Magnolia Ave., Gme
Office
Riverside, CA 92501
Phone (951) 788-3000
Medicare participation
Medicare enrollment files- 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1805 Medical Ctr Dr
San Bernardino, CA 92411-1217
Phone (909) 887-6333
3865 Jackson St
Riverside, CA 92503-3919
Phone (951) 688-2211
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 20221 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Darin Rentz DO PC | Current | Accepting new patients | |
| Providence Healthcare Partners,, Inc | Current | Accepting new patients | |
| Inpatient Specialists of California, PC | Internal Medicine | Current | Accepting new patients |
Locations
600 N Highland Springs Ave
Banning, CA 92220
Phone (833) 443-6287
12223 Highland Ave
Ste 106526
Rancho Cucamonga, CA 91739
Phone (714) 676-3880
12223 Highland Ave
#106526
Rch Cucamonga, CA 91739
350 Terracina Blvd
Redlands, CA 92373
Phone (909) 335-5500
3865 Jackson St
Riverside, CA 92503
Phone (909) 688-2211
4445 Magnolia Ave
Riverside, CA 92501
Phone (800) 498-7156
4445 Magnolia Ave
Ofc
Riverside, CA 92501
1805 Medical Center Dr
Sn Bernrdno, CA 92411
Phone (909) 877-6333
2101 N Waterman Ave
Sn Bernrdno, CA 92404
Phone (909) 881-4305
1800 N California St
Stockton, CA 95204
Phone (209) 467-6400
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Internal Medicine Physician
- San Bernardino, CA
- NPI 1952792475
-
- Hospitalist Physician
- Riverside, CA
- NPI 1699157701
-
- Anesthesiology Physician
- Redlands, CA
- NPI 1689321747
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- San Bernardino, CA
- NPI 1235290818
-
dba Parkview Community Hospital Medical Center
- General Acute Care Hospital
- Riverside, CA
- NPI 1124596382
-
dba Riverside Community Hospital
- General Acute Care Hospital
- Riverside, CA
- NPI 1114971660
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1554681600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1742774400000",
"number": "1366905473",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "RIVERSIDE COMMUNITY HOSPITAL, 4445 MAGNOLIA AVE., GME",
"address_2": "OFFICE",
"city": "RIVERSIDE",
"state": "CA",
"postal_code": "92501",
"telephone_number": "951-788-3000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "RIVERSIDE COMMUNITY HOSPITAL, 4445 MAGNOLIA AVE., GME",
"address_2": "OFFICE",
"city": "RIVERSIDE",
"state": "CA",
"postal_code": "92501",
"telephone_number": "951-788-3000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COLLINS",
"first_name": "TIMOTHY",
"middle_name": "DANIEL",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-04-08",
"last_updated": "2025-03-24",
"certification_date": "2025-03-24",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "20221",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Riverside, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 24, 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.