Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Derek Ailes, MD

Individual provider Emergency Medicine Physician · NPI 1992001804

Derek Ailes, MD is an Emergency Medicine Physician in Walnut Creek, California. Practices as a sole proprietor and works from 2 locations. Licensed in California and New York.

Licensed in
CA, NY
In the registry since
2011
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1425 S Main St
Walnut Creek, CA 94596-5318
Phone: (925) 295-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 234 E 149th St, Bronx, NY 10451-5504 — (718) 579-5000

Specialties & licences

Emergency Medical Services (Emergency Medicine) Physician (primary) Taxonomy 207PE0004X · Licence A122736 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence AL4978841-928 (NY)

Record details

NPI number1992001804
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 10, 2011
Last updated in NPPESJuly 21, 2022
Mailing address1425 S Main St, Walnut Creek, CA 94596-5318

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