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

Allison Zemek, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1255775698

Allison Zemek, MD is a Pathology in Downey, California. Graduated from Stanford University School of Medicine in 2013, 13 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
13
Trained at
Stanford University School of Medicine
Licensed in
CA
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

9333 Imperial Hwy
Downey, CA 90242-2812
Phone: (562) 657-7500
Show map & directions

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

Additional practice locations (1)

  • 300 Pasteur Dr, Stanford, CA 94305-2200 — (650) 723-4000

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 131698 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (CA)

Record details

NPI number1255775698
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 27, 2013
Last updated in NPPESNovember 2, 2021
Certification dateNovember 2, 2021
Mailing address9333 Imperial Hwy, Downey, CA 90242-2812

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Downey