Clinton Riddell, MD
Anesthesiology Physician · Redlands, CA
Clinton Riddell, MD is an anesthesiology physician with a practice address in Redlands, California, and NPI 1669091385, issued on Apr 13, 2020. Check the license (California 188948, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Clinton Riddell
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 188948 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 Terracina Blvd, Redlands, CA 92373
- Phone
- (909) 335-5619
- Enumerated
- Apr 13, 2020
- Record last updated
- Apr 22, 2026
- Medicare enrollment
- Enrolled (PECOS I20240626003494); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 350 Terracina Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Luke Buxton, DOPulmonary Disease Physician1548792161
Verify Clinton Riddell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 188948Check 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 one group practice
- Darin Rentz DO PCRedlands, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clinton Riddell among 7,571 anesthesiology physician records in California
Clinton Riddell, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 92% of them.
- NPI issued2020 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2019 · median 2006 among the 4,868 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Redlands → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Arun Agrawal, D.O.Redlands, CA 923731184677650
- Douglas Brockmann, M.D.Redlands, CA 923731275560914
- Juan De La Riva, MDRedlands, CA 923731467409664
- Sotero Escarza, M.D.Redlands, CA 923731174554182
- Sue Field, MDRedlands, CA 923731518962802
- Michael Goldberg, MDRedlands, CA 923731902845050
- Kirk Howard, M.D.Redlands, CA 923731073692570
- Anna Hsieh, MDRedlands, CA 923731720028962
Common questions
What is Clinton Riddell, MD's NPI number?
Clinton Riddell, MD's National Provider Identifier (NPI) is 1669091385, issued on Apr 13, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Clinton Riddell, MD located?
The NPPES record lists a practice address at 350 Terracina Blvd, Redlands, CA, 92373. Phone: (909) 335-5619. Providers update this record themselves, so call before visiting.
How can I verify Clinton Riddell, MD's license?
NPPES lists California license number 188948, 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.