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

Mr. Derrick Pratte Olzack, PA

Individual provider Family Medicine Physician · NPI 1114456738

Mr. Derrick Pratte Olzack, PA is a Physician Assistant in Atwater, California. Graduated from Stanford University School of Medicine in 2017, 9 years ago. Practices with Community Health Centers of America, a 114-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
9
Trained at
Stanford University School of Medicine
Licensed in
CA
In the registry since
2017
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

1775 Third St
Atwater, CA 95301-3608
Phone: (209) 358-5611
Fax: (209) 358-0219
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 54432 (CA)

Record details

NPI number1114456738
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedJune 7, 2017
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Community Health Centers Of America — 114 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Atwater