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

Individual provider Nurse Practitioner · NPI 1366614497

Cynthia Llerena Sershen, FNP is a Nurse Practitioner in Burlington, Massachusetts. Qualified in 2007, 19 years ago. Practices with Lahey Clinic Inc, a 1,372-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
19
Licensed in
MA
In the registry since
2008
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

41 Mall Rd
Burlington, MA 01805-5019
Phone: (781) 744-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 441 Stuart St Ste 404, Boston, MA 02116-5019 — (857) 317-2057
  • 495 Western Ave, Brighton, MA 02135-1007 — (617) 783-0500

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN266574 (MA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 266574 (MA)

Record details

NPI number1366614497
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedMarch 28, 2008
Last updated in NPPESApril 10, 2026
Certification dateApril 10, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Lahey Clinic Inc — 1372 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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