NPPES file of Aug 9, 2026

Derrick Marlin Myers, M.D.

Emergency Medicine Physician · Pasadena, CA

Derrick Marlin Myers, M.D. is an emergency medicine physician with a practice address in Pasadena, California, and NPI 1538102660, issued on Jun 14, 2006. Check the license (California A84438, 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
1538102660
Name
Derrick Marlin Myers
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A84438 CA
Self-reported in NPPES; status is on the state search
Practice location
90 N. Madison Ave, Pasadena, CA 91101
Phone
(626) 291-2525
Enumerated
Jun 14, 2006
Record last updated
Oct 10, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(626) 898-9244
Medicaid ID
00A844380 CA
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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Verify Derrick Marlin Myers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A84438
    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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83% fewer Medicare Part D claims than the average emergency medicine physician in 2024

38 Medicare Part D claims for 23 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Derrick Myers38
  2. Specialty average226

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.

Derrick Marlin Myers among 7,751 emergency medicine physician records in California

Derrick Marlin Myers, M.D. 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2016 · 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).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Steven Kushel, M.D.Pasadena, CA 911031831132745
  2. Roberto Sandoval, M.D.Pasadena, CA 911041780625913
  3. Betty Ahn, MDPasadena, CA 911051902862089
  4. Roy Antelyes, M.D.Pasadena, CA 911051275648610
  5. Timothy Ballard, M.D.Pasadena, CA 911051710090816
  6. Bradley Gerberich, M.D.Pasadena, CA 911051790728277
  7. William Gregory, MDPasadena, CA 911051659337350
  8. Mai Lai, MDPasadena, CA 911051841232717

Common questions

What is Derrick Marlin Myers, M.D.'s NPI number?

Derrick Marlin Myers, M.D.'s National Provider Identifier (NPI) is 1538102660, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Derrick Marlin Myers, M.D. located?

The NPPES record lists a practice address at 90 N. Madison Ave, Pasadena, CA, 91101. Phone: (626) 291-2525. Providers update this record themselves, so call before visiting.

How can I verify Derrick Marlin Myers, M.D.'s license?

NPPES lists California license number A84438, 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 Derrick Marlin Myers, M.D. prescribe under Medicare Part D?

In 2024, Derrick Marlin Myers, M.D. had 38 Medicare Part D claims for 23 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.