Ralph Warner Clark, M.D.
Addiction Medicine (Preventive Medicine) Physician · Loma Linda, CA
Ralph Warner Clark, M.D. is an addiction medicine (preventive medicine) physician with a practice address in Loma Linda, California, and NPI 1336317239, issued on Feb 13, 2008. Check the license (California A111705, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ralph Warner Clark
- Credential
- M.D.
- Primary taxonomy
- Addiction Medicine (Preventive Medicine) Physician 2083A0300X
- License number
- A111705 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11201 Benton St, Loma Linda, CA 92357
- Phone
- (909) 825-7084
- Enumerated
- Feb 13, 2008
- Record last updated
- Jul 13, 2023
- Fax
- (909) 422-3168
- Entity
- Type 1 · individual
8 nearest addiction medicine (preventive medicine) physician records → All 50 in California → Look up another NPI →
Also registered at 11201 Benton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hesham AbugufaDentist1538875794
- Matthew Adams, DPTPhysical Therapist1184786071
- Susann Adams, LCSWClinical Social Worker1295849362
- Raychelle Addo, LCSWClinical Social Worker1033307251
Verify Ralph Warner Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111705Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Ralph Warner Clark among 50 addiction medicine (preventive medicine) physician records in California
Ralph Warner Clark, M.D. is one of 50 addiction medicine (preventive medicine) physician records with a practice address in California. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 34% of them.
- NPI issued2008 · 34% of these records are older, 60% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2023 · 12% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083A0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Preventive Medicine) Physician providers in California
There are 50 addiction medicine (preventive medicine) physician records in California.
All 50 in California → Every provider in Loma Linda → Addiction Medicine (Preventive Medicine) Physician nationwide →
The 8 addiction medicine (preventive medicine) physician records with the nearest ZIP codes
- Adley Dason, M.DLoma Linda, CA 923541609224369
- Claire Nelson, M.D.Redlands, CA 923731447447776
- Rafik Saleh, MD, MPHRialto, CA 923761144725854
- Kunal Doshi, MDSan Bernardino, CA 924151114594777
- Joseph Mott, M.D., J.D.Palm Springs, CA 922621033452727
- Barry Solof, M.D.Banning, CA 922201871664839
- Steven Ruh, M.D.Riverside, CA 925011902929193
- Michael Valdez, M.D.Riverside, CA 925011205923224
Common questions
What is Ralph Warner Clark, M.D.'s NPI number?
Ralph Warner Clark, M.D.'s National Provider Identifier (NPI) is 1336317239, issued on Feb 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Warner Clark, M.D. located?
The NPPES record lists a practice address at 11201 Benton St, Loma Linda, CA, 92357. Phone: (909) 825-7084. Providers update this record themselves, so call before visiting.
How can I verify Ralph Warner Clark, M.D.'s license?
NPPES lists California license number A111705, 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.
What is Ralph Warner Clark, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.