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

Malcolm C Johnson, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1003830316

Malcolm C Johnson, MD is an Emergency Medicine in Walnut Creek, California. Graduated from University of Wisconsin School of Medicine in 2000, 26 years ago. Practices with Medamerica Physician Solutions PC, a 28-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Washington.

Years since qualifying
26
Trained at
University of Wisconsin School of Medicine
Licensed in
CA, WA
In the registry since
2006
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) 939-3000
Show map & directions

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

Additional practice locations (1)

  • 1321 Colby Ave, Everett, WA 98201-1665 — (425) 261-2000

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A94962 (CA)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence MD00046336 (WA)

Record details

NPI number1003830316
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 27, 2006
Last updated in NPPESJanuary 21, 2019

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Medamerica Physician Solutions Pc — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Walnut Creek