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

Dr. Michael A Esparza, MD

Individual provider Surgical Critical Care Physician · NPI 1295149540

Dr. Michael A Esparza, MD is a General Surgery in Walnut Creek, California. Qualified in 2014, 12 years ago. Practices with John Muir Trauma Physicians Billing Service, a 111-clinician group. Licensed in California.

Years since qualifying
12
Licensed in
CA
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.

See every abbreviation used in this directory →

Practice location Address checks out

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122
Phone: (925) 937-0404
Show map & directions

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

Specialties & licences

Trauma Surgery Physician (primary) Taxonomy 2086S0127X · Licence A138859 (CA)
Surgical Critical Care Physician Taxonomy 2086S0102X · Licence A138859 (CA)

Record details

NPI number1295149540
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 15, 2014
Last updated in NPPESSeptember 5, 2024
Certification dateSeptember 5, 2024

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice John Muir Trauma Physicians Billing Service — 111 clinicians
Accepts Medicare assignment Not indicated