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

Lena Lax, NP

Individual provider Family Nurse Practitioner · NPI 1417406976

Lena Lax, NP is a Nurse Practitioner in Cambridge, Massachusetts. Qualified in 2016, 10 years ago. Practices with Mass General Brigham Community Physicians Inc, a 422-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Massachusetts.

Years since qualifying
10
Licensed in
CA, MA
In the registry since
2016
Specialties on file
3
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

822 Somerville Ave
Cambridge, MA 02140
Phone: (888) 663-6331
Fax: (415) 252-7176
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (2)

  • 559 Clay St Ste 200, San Francisco, CA 94111-3029 — (415) 644-5265
  • 185 Central St, Concord, MA 01742-2909 — (978) 505-2316

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN2298221 (MA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 2298221 (MA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 95011726 (CA)

Record details

NPI number1417406976
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedSeptember 26, 2016
Last updated in NPPESMarch 17, 2025
Certification dateMarch 17, 2025
Mailing address1 Embarcadero Ctr Ste 1900, San Francisco, CA 94111-3723

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Mass General Brigham Community Physicians Inc — 422 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Cambridge