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

Christopher Dirk Keene, MD, PHD

Individual provider Neuropathology Physician · NPI 1104928712

Christopher Dirk Keene, MD, PHD is a Pathology in San Diego, California. Graduated from University of Minnesota Medical School in 2005, 21 years ago. Practices with The Association of University Physicians, a 3,459-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California and Washington.

Years since qualifying
21
Trained at
University of Minnesota Medical School
Licensed in
CA, WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

200 W Arbor Dr
San Diego, CA 92103-9000
Phone: (800) 926-8273
Fax: (888) 539-8781
Show map & directions

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

Additional practice locations (2)

  • 9444 Medical Center Dr, La Jolla, CA 92037-1337 — (800) 926-8273
  • 325 9th Ave, Seattle, WA 98104-2420 — (206) 744-3145

Specialties & licences

Neuropathology Physician (primary) Taxonomy 207ZN0500X · Licence 207254 (CA)
Neuropathology Physician Taxonomy 207ZN0500X · Licence MD00048817 (WA)

Record details

NPI number1104928712
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedSeptember 3, 2006
Last updated in NPPESMarch 18, 2026
Certification dateMarch 18, 2026

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 2005 (21 years in practice)
Group practice The Association Of University Physicians — 3459 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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