NPPES file of Aug 9, 2026

Cory Toomasian

Emergency Medicine Physician · Loma Linda, CA

Cory Toomasian is an emergency medicine physician with a practice address in Loma Linda, California, and NPI 1790218089, issued on Apr 4, 2017. Check the license (California A157060, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790218089
Name
Cory Toomasian
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A157060 CA
Self-reported in NPPES; status is on the state search
Practice location
11234 Anderson St, A890, Loma Linda, CA 92354
Phone
(909) 558-4085
Enumerated
Apr 4, 2017
Record last updated
Sep 16, 2025
Medicare enrollment
Enrolled (PECOS I20200717000038); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2017
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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Also registered at 11234 Anderson St, A890

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

  1. William Downes, MDEmergency Medicine Physician1912494808

Verify Cory Toomasian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A157060
    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

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16% fewer Medicare Part D claims than the average emergency medicine physician in 2024

189 Medicare Part D claims for 143 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Cory Toomasian189
  2. Specialty average226

Most prescribed

  1. Cephalexin23 claims
  2. Amoxicillin-Clavulanate Potass15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
  2. Southern Mono Health Care DistrictMammoth Lakes, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cory Toomasian among 7,751 emergency medicine physician records in California

Cory Toomasian 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. Its NPI, issued in 2017, is newer than 78% of them.

  • NPI issued2017 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2017 · median 2011 among the 4,560 with a school on file
  • Record last updated2025 · 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.

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 Cory Toomasian's NPI number?

Cory Toomasian's National Provider Identifier (NPI) is 1790218089, issued on Apr 4, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Cory Toomasian located?

The NPPES record lists a practice address at 11234 Anderson St, A890, Loma Linda, CA, 92354. Phone: (909) 558-4085. Providers update this record themselves, so call before visiting.

How can I verify Cory Toomasian's license?

NPPES lists California license number A157060, 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.

How much does Cory Toomasian prescribe under Medicare Part D?

In 2024, Cory Toomasian had 189 Medicare Part D claims for 143 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.