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

Individual provider Emergency Medicine Physician · NPI 1730235540

Dr. Jason Smith Day, MD is an Emergency Medicine in San Rafael, California. Graduated from Albert Einstein College of Medicine of Yeshiva University in 2005, 21 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
21
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
CA
In the registry since
2007
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

99 Montecillo Rd
San Rafael, CA 94903-3308
Phone: (415) 408-8012
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A96623 (CA)

Record details

NPI number1730235540
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 25, 2007
Last updated in NPPESMay 20, 2025
Certification dateMay 20, 2025
Mailing address99 Montecillo Rd, San Rafael, CA 94903-3308

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 2005 (21 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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