NPPES file of Aug 9, 2026

Christopher Riba

Emergency Medicine Physician · Loma Linda, CA

Christopher Riba is an emergency medicine physician with a practice address in Loma Linda, California, and NPI 1699416693, issued on Apr 5, 2022. Check the license (California A190488, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699416693
Name
Christopher Riba
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A190488 CA
Self-reported in NPPES; status is on the state search
Practice location
11234 Anderson St, Loma Linda, CA 92354
Phone
(909) 558-4085
Enumerated
Apr 5, 2022
Record last updated
Mar 27, 2026
Medicare enrollment
Enrolled (PECOS I20260406001875); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →

Also registered at 11234 Anderson St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carolyn AbbasiAnesthesiology Physician1811287311
  2. Marian Abdelmalek, DOInternal Medicine Physician1285218024
  3. Faiz Abdur-Rahman, MDStudent in an Organized Health Care Education/Training Program1144073768
  4. Marc Abou AssaliStudent in an Organized Health Care Education/Training Program1689317265
  5. Adina Achiriloaie, MDDiagnostic Neuroimaging (Radiology) Physician1992983282
  6. Ana Acosta, MDStudent in an Organized Health Care Education/Training Program1265179774

Verify Christopher Riba in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A190488    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Christopher Riba among 7,751 emergency medicine physician records in California

Christopher Riba is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2022, is newer than 95% of them.

  • NPI issued2022 · 95% of these records are older, 2% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2022 · median 2011 among the 4,560 with a school on file
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

168 emergency medicine physician records list a practice address in Loma Linda

They are 168 of the 4,863 NPPES records with a practice address in Loma Linda, and 7,751 emergency medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,751 in California → Every provider in Loma Linda → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Robert Bassler, M.D.Loma Linda, CA 923541184675902
  2. Lance Brown, M.D.Loma Linda, CA 923541376562793
  3. Deepak Chandwani, M.D.Loma Linda, CA 923541144264177
  4. Tony Chow, M.D.Loma Linda, CA 923541154340578
  5. Lynda Daniel-Underwood, M.D.Loma Linda, CA 923541063447241
  6. Jeff Grange, M.D.Loma Linda, CA 923541801815238
  7. Steven Green, M.D.Loma Linda, CA 923541619996048
  8. Gregory Guldner, M.D.Loma Linda, CA 923541932125523

Common questions

What is Christopher Riba's NPI number?

Christopher Riba's National Provider Identifier (NPI) is 1699416693, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Riba located?

The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-4085. Providers update this record themselves, so call before visiting.

How can I verify Christopher Riba's license?

NPPES lists California license number A190488, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.