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

Roger E Der, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1558355156

Roger E Der, MD is a Pathology in Arcadia, California. Graduated from University of Southern California Keck School of Medicine in 1996, 30 years ago. Practices with Pathology Associates of Arcadia, a 3-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
30
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2005
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

300 W Huntington Dr
Arcadia, CA 91007-3402
Phone: (626) 574-3488
Fax: (626) 821-6934
Show map & directions

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence A65753 (CA)

Record details

NPI number1558355156
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 9, 2005
Last updated in NPPESMarch 11, 2025
Certification dateMarch 11, 2025
Mailing address300 W Huntington Dr, Arcadia, CA 91007-3402

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Pathology Associates Of Arcadia — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Arcadia