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

Michael a Amster, MD Professional Corporation

Organization Family Medicine Physician · NPI 1558695064

Michael a Amster, MD Professional Corporation provides Family Medicine Physician services in Fairfield, California. Licensed in California. Registered with an NPI since 2009.

Licensed in
CA
In the registry since
2009

Practice location Address checks out

1101 B Gale Wilson Blvd Ste 307
Fairfield, CA 94533-3700 Not confirmed with CMS for 17 years — call before visiting
Phone: (707) 429-7766
Fax: (707) 429-6980
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 A81550 (CA)

Record details

NPI number1558695064
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Elizabeth Williams — Manager · (209) 322-3301
NPI enumeratedSeptember 30, 2009
Last updated in NPPESSeptember 30, 2009
Mailing address1101 B Gale Wilson Blvd, Suite 307, Fairfield, CA 94533-3700

Other providers in Fairfield