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

Dr. David J Underwood, MD

Individual provider Diagnostic Radiology Physician · NPI 1023080686

Dr. David J Underwood, MD is a Diagnostic Radiology in Covina, California. Graduated from University of Southern California Keck School of Medicine in 1991, 35 years ago. Practices with Arrowhead Radiology Medical Group Inc, a 10-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
35
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.

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Practice location Address checks out

414 E San Bernardino Rd
Covina, CA 91723-1704
Phone: (626) 915-5181
Fax: (626) 915-2313
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence G75458 (CA)

Record details

NPI number1023080686
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 7, 2006
Last updated in NPPESOctober 21, 2008

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Also practisesINTERVENTIONAL RADIOLOGY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Arrowhead Radiology Medical Group Inc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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