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

Dr. Derek James Maclean, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1861885667

Dr. Derek James Maclean, DO is an Emergency Medicine in Colton, California. Qualified in 2015, 11 years ago. Practices with Northwest Emergency Physicians LLC, a 262-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
11
Licensed in
CA
In the registry since
2015
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

400 N Pepper Ave
Colton, CA 92324-1801
Phone: (909) 580-1000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 20A14961 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1861885667
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 18, 2015
Last updated in NPPESFebruary 1, 2019
Mailing address400 N Pepper Ave, Colton, CA 92324-1801

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Northwest Emergency Physicians Llc — 262 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Colton