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

John Robert Dayton, MD

Individual provider Emergency Medicine Physician · NPI 1285801704

John Robert Dayton, MD is an Emergency Medicine in Stanford, California. Graduated from George Washington University School of Medicine in 2006, 20 years ago. Practices with North Valley Emergency Physicians Lc, a 16-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California, Missouri, New York and Utah and 1 more.

Years since qualifying
20
Trained at
George Washington University School of Medicine
Licensed in
CA, MO, NY, UT, WY
In the registry since
2008
Specialties on file
5
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
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • Division Of Emergency Medicine, Salt Lake City, UT 84132-0002 — (801) 628-5589

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence C171586 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 7277539-1205 (UT)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 247695 (NY)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 9628A (WY)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 2011026835 (MO)

Record details

NPI number1285801704
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 14, 2008
Last updated in NPPESMarch 19, 2024
Certification dateMarch 19, 2024
Mailing address300 Pasteur Dr, Stanford, CA 94305-2200

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice North Valley Emergency Physicians Lc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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