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

Mr. Mark B Oechsli, PAC

Individual provider Physician Assistant · NPI 1497748149

Mr. Mark B Oechsli, PAC is a Physician Assistant in Simi Valley, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2005
What do these letters mean?
PAC — Physician Assistant, Certified
A physician assistant holding current national certification; usually written PA-C.

See every abbreviation used in this directory →

Practice location Address checks out

4531 Alamo St Sierra Vista Family Medical Clinic
Simi Valley, CA 93063
Phone: (805) 520-3248
Fax: (805) 579-6082
Show map & directions

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

Additional practice locations (1)

  • 125 W Thousand Oaks Blvd Ste 300, Thousand Oaks, CA 91360-4460 — (805) 418-9100

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA14447 (CA)

Record details

NPI number1497748149
Entity typeIndividual (Type 1)
GenderMale
Credentials PAC
Sole proprietorNo
NPI enumeratedAugust 29, 2005
Last updated in NPPESJuly 17, 2023
Certification dateJuly 17, 2023
Mailing address5738 Skyview Way, Unit G, Agoura Hills, CA 91301

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