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

Mrs. Martha E O'Brien, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1356437081

Mrs. Martha E O'Brien, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Boston, Massachusetts. Qualified in 1993, 33 years ago. Practices with Pratt Anesthesiology Associates Inc, a 155-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
33
Licensed in
MA
In the registry since
2006
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

50 Staniford St C/o Ma Anesthesia Corp
Boston, MA 02115
Phone: (781) 341-3966
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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 168563 (MA)

Record details

NPI number1356437081
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESNovember 28, 2012

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Pratt Anesthesiology Associates Inc — 155 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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