Timothy Daniel Collins, DO
Internal Medicine Physician · Riverside, CA
Timothy Daniel Collins, DO is an internal medicine physician with a practice address in Riverside, California, and NPI 1366905473, issued on Apr 8, 2019. Check the license (California 20221, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Timothy Daniel Collins
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20221 CA
Self-reported in NPPES; status is on the state search - Practice location
- Riverside Community Hospital, 4445 Magnolia Ave., Gme, Riverside, CA 92501
- Phone
- (951) 788-3000
- Enumerated
- Apr 8, 2019
- Record last updated
- Mar 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20221013002858); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Timothy Daniel Collins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20221Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Inpatient Specialists OF California PCSan Bernardino, CA
- Providence Healthcare Partners IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Daniel Collins among 17,696 internal medicine physician records in California
Timothy Daniel Collins, DO is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2019 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 internal medicine physician records list a practice address in Riverside
They are 187 of the 13,893 NPPES records with a practice address in Riverside, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Riverside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jacqueline Agcaoili, MDRiverside, CA 925011124022108
- Joseph Alukal, M.D.Riverside, CA 925011801270699
- Donald Blackman, MDRiverside, CA 925011386687754
- Benjamin Chung, MDRiverside, CA 925011326031923
- Baker Hillawy, MDRiverside, CA 925011427408749
- Elizabeth Jacobs, MDRiverside, CA 925011023046059
- Ameera Khan, MDRiverside, CA 925011356704522
- Mohammad Kharazmi, MDRiverside, CA 925011033121272
Common questions
What is Timothy Daniel Collins, DO's NPI number?
Timothy Daniel Collins, DO's National Provider Identifier (NPI) is 1366905473, issued on Apr 8, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Daniel Collins, DO located?
The NPPES record lists a practice address at Riverside Community Hospital, 4445 Magnolia Ave., Gme, Riverside, CA, 92501. Phone: (951) 788-3000. Providers update this record themselves, so call before visiting.
How can I verify Timothy Daniel Collins, DO's license?
NPPES lists California license number 20221, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.