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

Andrew Otto, MD

Individual provider Emergency Medicine Physician · NPI 1578862157

Andrew Otto, MD is an Emergency Medicine in Walnut Creek, California. Qualified in 2010, 16 years ago. Practices with Okanogan County Public Hospital District No 3, a 92-clinician group and accepts Medicare assignment. Licensed in California and Washington.

Years since qualifying
16
Licensed in
CA, WA
In the registry since
2011
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

1990 N California Blvd Ste #400
Walnut Creek, CA 94596-3742
Phone: (540) 981-7000
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD61129047 (WA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence A138024 (CA)

Record details

NPI number1578862157
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 21, 2011
Last updated in NPPESJune 15, 2022
Certification dateJune 15, 2022

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Okanogan County Public Hospital District No. 3 — 92 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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