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

Joshua Michael Cosek, PA-C

Individual provider Physician Assistant · NPI 1871226837

Joshua Michael Cosek, PA-C is a Physician Assistant in Stanford, California. Qualified in 2023, 3 years ago. Practices with Lakeland Medical Practices, a 287-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
3
Licensed in
CA
In the registry since
2022
Specialties on file
3
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-4000
Show map & directions

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

Additional practice locations (3)

  • 505 Parnassus Ave Ste M917, San Francisco, CA 94143-2204 — (415) 353-1116
  • 4700 Bahama Ln, Portage, MI 49002-9045 — (989) 820-5295
  • 1234 Napier Ave, Saint Joseph, MI 49085-2112 — (269) 985-4632

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 66771 (CA)
Physician Assistant Taxonomy 363A00000X
Physician Assistant Taxonomy 363A00000X · Licence PA66771 (CA)

Record details

NPI number1871226837
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorYes
NPI enumeratedJuly 7, 2022
Last updated in NPPESJune 10, 2026
Certification dateJune 10, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Lakeland Medical Practices — 287 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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