Registry data as of Aug 27, 2026

Michael Deyoung, MD

Emergency Medicine Physician · Glendora, CA

Michael Deyoung, MD is an emergency medicine physician with a practice address in Glendora, California, and NPI 1801822606, issued on Jun 23, 2006. Check the license (California G30264, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1801822606
Name
Michael Deyoung
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G30264 CA
Self-reported in NPPES; status is on the state search
Practice location
250 S Grand Ave, Glendora, CA 91741
Phone
(626) 857-3170
Enumerated
Jun 23, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 250 S Grand Ave

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

  1. Michael Ronald Alcantara, RNEmergency Registered Nurse1306538905
  2. Mari AlmondEmergency Registered Nurse1689220493
  3. Josue BlancoEmergency Registered Nurse1790331486
  4. Martin Bohorquez, M.D.Anesthesiology Physician1073569307
  5. Yong Chen, M.D.Anesthesiology Physician1528247608
  6. John Dimare, M.D.Geriatric Medicine (Family Medicine) Physician1013246578

Verify Michael Deyoung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G30264
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

96% fewer Medicare Part D claims than the average emergency medicine physician in 2024

14 Medicare Part D claims, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Michael Deyoung14
  2. Specialty average355

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.

Industry payments in 2024: $239.84

5 payments, mostly food and beverage; the largest payer was Abbott Laboratories. The 12,165 providers of this specialty with any payment received $1,340.71 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Deyoung$239.84
  2. Specialty average$1,340.71

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Emergency Medicine Physician providers in California

There are 7,133 emergency medicine physician records in California.

Other emergency medicine physician records in California

  1. Cooper Aakhus, MDStanford, CA1194351007
  2. Pyra Aarden, MDMartinez, CA1417058199
  3. Neal Aaron, D.O.Encinitas, CA1114283520
  4. Eric AaserudeWalnut Creek, CA1811491194
  5. Nader Abas, MDBarstow, CA1346288305
  6. Michael Abbo, MDNovato, CA1205819042
  7. Daniel Abbott, MDFullerton, CA1518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA1710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA1457918740
  10. Ashraf Abdel-KerimChino, CA1396961538

Common questions

What is Michael Deyoung, MD's NPI number?

Michael Deyoung, MD's National Provider Identifier (NPI) is 1801822606, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Deyoung, MD located?

The NPPES record lists a practice address at 250 S Grand Ave, Glendora, CA, 91741. Phone: (626) 857-3170. Providers update this record themselves, so call before visiting.

How can I verify Michael Deyoung, MD's license?

NPPES lists California license number G30264, 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 Michael Deyoung, MD prescribe under Medicare Part D?

In 2024, Michael Deyoung, MD had 14 Medicare Part D claims; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.