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

Dr. Brad Aaron Zwahlen, MD

Individual provider Specialist · NPI 1508878406

Dr. Brad Aaron Zwahlen, MD is an Orthopedic Surgery in Berkeley, California. Graduated from Baylor College of Medicine in 1997, 29 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
29
Trained at
Baylor College of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2999 Regent St #225
Berkeley, CA 94705-2190
Phone: (510) 704-7760
Fax: (510) 704-7765
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A78633 (CA)

Record details

NPI number1508878406
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 12, 2006
Last updated in NPPESJanuary 8, 2014

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Other providers in Berkeley