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

Douglas A Ballesteros, MD

Individual provider Emergency Medicine Physician · NPI 1275572372

Douglas A Ballesteros, MD is an Emergency Medicine in National City, California. Graduated from University of Southern California Keck School of Medicine in 1999, 27 years ago. Practices with Regents of the University of California, a 2,061-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
27
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2400 E 4th St Emergency Dept
National City, CA 91950-2026
Phone: (619) 470-4321
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 8910 Villa La Jolla Dr Ste 100, La Jolla, CA 92037-1701 — (800) 926-8273

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A74965 (CA)

Record details

NPI number1275572372
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESFebruary 1, 2019
Mailing address1700 E Walnut Ave, Suite 250, El Segundo, CA 90245-2605

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Regents Of The University Of California — 2061 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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