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

Mr. James William Tinkelenberg, PA-C

Individual provider Physician Assistant · NPI 1205978392

Mr. James William Tinkelenberg, PA-C is a Physician Assistant in Mad River, California. Graduated from University of California, Davis School of Medicine in 2006, 20 years ago. Practices with The Wecare Group, Inc, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
20
Trained at
University of California, Davis School of Medicine
Licensed in
CA
In the registry since
2007
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

321 Van Duzen Rd
Mad River, CA 95526-9508
Phone: (707) 574-6616
Fax: (707) 574-6523
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 19044 (CA)

Record details

NPI number1205978392
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedFebruary 13, 2007
Last updated in NPPESDecember 12, 2014

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 2006 (20 years in practice)
Group practice The Wecare Group, Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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