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

Mark Geoffrey Wahrenbrock, MD, PHD

Individual provider Clinical Pathology Physician · NPI 1104267145

Mark Geoffrey Wahrenbrock, MD, PHD is a Clinical Pathology Physician in San Diego, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2013
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

8901 Activity Rd Ste 205
San Diego, CA 92126-4436
Phone: (888) 992-7555
Show map & directions

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

Additional practice locations (1)

  • 11401 Bloomfield Ave, Norwalk, CA 90650-2015 — (562) 651-4151

Specialties & licences

Clinical Pathology Physician (primary) Taxonomy 207ZC0006X · Licence A158210 (CA)

Record details

NPI number1104267145
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJuly 6, 2013
Last updated in NPPESMarch 31, 2021
Certification dateMarch 31, 2021

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