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

Dr. Walter C. Maack, MD

Individual provider Emergency Medicine Physician · NPI 1588765416

Dr. Walter C. Maack, MD is an Emergency Medicine Physician in Healdsburg, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
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

1375 University Avenue Healdsburg District Hospital
Healdsburg, CA 95448
Phone: (707) 431-6500
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G23577 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence G23577 (CA)

Record details

NPI number1588765416
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 25, 2006
Last updated in NPPESSeptember 11, 2025
Mailing addressHealdsburg District Hospital, 1375 University Avenue, Healdsburg, CA 95448

Other providers in Healdsburg