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

Karyn Elizabeth Barrett, MD

Individual provider Anesthesiology Physician · NPI 1548848971

Karyn Elizabeth Barrett, MD is an Anesthesiology in Stanford, California. Qualified in 2021, 5 years ago. Works from 2 locations. Licensed in California and Massachusetts.

Years since qualifying
5
Licensed in
CA, MA
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-4000
Show map & directions

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

Additional practice locations (1)

  • 75 Francis St, Boston, MA 02115-6106 — (617) 732-4840

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 1017712 (MA)
Anesthesiology Physician Taxonomy 207L00000X · Licence A199665 (CA)

Record details

NPI number1548848971
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2021
Last updated in NPPESJuly 1, 2026
Certification dateJuly 1, 2026

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Accepts Medicare assignment Not indicated

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