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

Nicholas Geoffrey Ashenburg, MD

Individual provider Emergency Medicine Physician · NPI 1104238336

Nicholas Geoffrey Ashenburg, MD is an Emergency Medicine in Stanford, California. Graduated from Tufts University School of Medicine in 2014, 12 years ago. Practices with Stanford Health Care, a 3,085-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and South Carolina.

Years since qualifying
12
Trained at
Tufts University School of Medicine
Licensed in
CA, SC
In the registry since
2014
Specialties on file
2
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
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 (1)

  • 900 Welch Rd Ste 350, Palo Alto, CA 94304 — (650) 723-4000

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A155400 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 39364 (SC)

Record details

NPI number1104238336
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 22, 2014
Last updated in NPPESMarch 14, 2024
Certification dateMarch 14, 2024

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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