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

Ruth D Macquarrie, MD

Individual provider Critical Care Medicine (Anesthesiology) Physician · NPI 1942334362

Ruth D Macquarrie, MD is an Anesthesiology in Greenbrae, California. Graduated from Johns Hopkins University School of Medicine in 1998, 28 years ago. Practices with Empire Anesthesia Inc, a 22-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
28
Trained at
Johns Hopkins University School of Medicine
Licensed in
CA
In the registry since
2007
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

30 Lucky Dr
Greenbrae, CA 94904-2407
Phone: (415) 309-9605
Fax: (415) 728-9685
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence A80909 (CA)
Critical Care Medicine (Anesthesiology) Physician Taxonomy 207LC0200X · Licence A80909 (CA)

Record details

NPI number1942334362
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 15, 2007
Last updated in NPPESFebruary 20, 2026
Certification dateFebruary 20, 2026
Mailing addressPo Box 612, Corte Madera, CA 94976-0612

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Empire Anesthesia Inc — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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