Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mack David Toyama, DC, PA-C

Individual provider Chiropractor · NPI 1740235639

Dr. Mack David Toyama, DC, PA-C is a Physician Assistant in Oxnard, California. Graduated from University of California, Davis School of Medicine in 2003, 23 years ago. Practices with Building Better Lives Occupational Medical Services Inc, a 3-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Trained at
University of California, Davis School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

1901 Holser Walk #315
Oxnard, CA 93036-2633
Phone: (805) 988-2273
Fax: (805) 981-8281
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence DC22187 (CA)
Other Technician Taxonomy 247200000X · Licence RHC137145 (CA)
Physician Assistant Taxonomy 363A00000X · Licence PA17044 (CA)

Record details

NPI number1740235639
Entity typeIndividual (Type 1)
GenderMale
Credentials DC , PA-C
Sole proprietorYes
NPI enumeratedMay 23, 2006
Last updated in NPPESFebruary 21, 2011

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolUNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Building Better Lives Occupational Medical Services Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Oxnard