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

Individual provider Certified Registered Nurse Anesthetist · NPI 1346256518

Marissa Stein, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Saint Helena, California. Qualified in 2002, 24 years ago. Practices with St Helena Hospital, a 86-clinician group and accepts Medicare assignment. Licensed in California and Massachusetts.

Years since qualifying
24
Licensed in
CA, MA
In the registry since
2006
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

10 Woodland Rd
Saint Helena, CA 94574-9554
Phone: (707) 963-3611
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence NA3060 (CA)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence 240985 (MA)

Record details

NPI number1346256518
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESAugust 5, 2014

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice St. Helena Hospital — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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