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

Dr. Oscar Alberto Castrejon, MD

Individual provider Family Medicine Physician · NPI 1508020355

Dr. Oscar Alberto Castrejon, MD is a Family Practice in Las Cruces, New Mexico. Qualified in 2005, 21 years ago. Practices with Southwest Emergency Medical Associates of Nm PC, a 54-clinician group and accepts Medicare assignment. Licensed in New Mexico and Texas.

Years since qualifying
21
Licensed in
NM, TX
In the registry since
2008
Specialties on file
3
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

4739 Radiant Ct
Las Cruces, NM 88011-7191
Phone: (575) 640-5187
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence V5247 (TX)
Family Medicine Physician Taxonomy 207Q00000X · Licence RS2008-0577 (NM)
Emergency Medicine Physician Taxonomy 207P00000X · Licence RS2008-0577 (NM)

Record details

NPI number1508020355
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2008
Last updated in NPPESMay 6, 2025
Certification dateMay 6, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Southwest Emergency Medical Associates Of Nm Pc — 54 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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