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

Dr. Derek A. Irwin, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1184603300

Dr. Derek A. Irwin, MD is a Pathology in Oklahoma City, Oklahoma. Graduated from University of Oklahoma College of Medicine in 1995, 31 years ago. Practices with Pathology Consultation Services Inc, a 5-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
31
Trained at
University of Oklahoma College of Medicine
Licensed in
OK
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

225 NE 97th St
Oklahoma City, OK 73114-6302
Phone: (405) 842-2061
Fax: (405) 842-3146
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 19794 (OK)

Record details

NPI number1184603300
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 16, 2006
Last updated in NPPESJuly 1, 2015
Mailing address14275 Midway Rd, Suite 400, Addison, TX 75001-3614

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Pathology Consultation Services Inc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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