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

Lorreen Mattson, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1588088918

Lorreen Mattson, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Boston, Massachusetts. Qualified in 2013, 13 years ago. Practices with Associated Physicians of Harvard Medical Faculty Physicians at Beth Is, a 558-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts and Pennsylvania.

Years since qualifying
13
Licensed in
MA, PA
In the registry since
2014
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Practice location Address checks out

1 Boston Medical Ctr Pl
Boston, MA 02118-2908
Phone: (617) 638-6950
Fax: (617) 638-6966
Show map & directions

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

Additional practice locations (1)

  • 800 Washington St, Boston, MA 02111-1552 — (617) 636-6044

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 100999 (PA)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence RN2352220 (MA)

Record details

NPI number1588088918
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedFebruary 5, 2014
Last updated in NPPESApril 17, 2026
Certification dateApril 17, 2026

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is — 558 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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