Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Andrew Walker Long, MD

Individual provider Emergency Medicine Physician · NPI 1144806811

Andrew Walker Long, MD practises Emergency Medicine in Stanford, California. Graduated from New York Medical College in 2021, 5 years ago. Practices with Stanford Health Care, a 3,085-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California and Illinois.

Years since qualifying
5
Trained at
New York Medical College
Licensed in
CA, IL
In the registry since
2021
Specialties on file
2
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

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 (2)

  • 700 Lawrence Expy, Santa Clara, CA 95051-5173 — (408) 851-5300
  • 251 E Huron St, Chicago, IL 60611-3055 — (312) 926-2000

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A200901 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 125.077786 (IL)

Record details

NPI number1144806811
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2021
Last updated in NPPESSeptember 13, 2026
Certification dateSeptember 13, 2026

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2021 (5 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Stanford Health Care

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3085 clinicians in the practice; 12 are shown here.

Other providers in Stanford