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

William Hiesinger, MD

Individual provider Surgery Physician · NPI 1093913667

William Hiesinger, MD is a Thoracic Surgery in Palo Alto, California. Graduated from Perelman School of Med at the University of Pennsylvania in 2007, 19 years ago. Practices with Stanford Health Care, a 3,085-clinician group and accepts Medicare assignment. Licensed in California and Pennsylvania.

Years since qualifying
19
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
CA, PA
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 Pasteur Dr
Palo Alto, CA 94304-2203
Phone: (650) 723-4000
Show map & directions

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

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence A141989 (CA)
Surgery Physician Taxonomy 208600000X · Licence MT191341 (PA)
Surgery Physician Taxonomy 208600000X · Licence A141989 (CA)

Record details

NPI number1093913667
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2007
Last updated in NPPESApril 27, 2024
Certification dateApril 27, 2024

Medicare enrollment

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

Medicare specialtyTHORACIC SURGERY
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 2007 (19 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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