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

MS. Melissa Almeida Williams, CNP

Individual provider Registered Nurse · NPI 1356934871

MS. Melissa Almeida Williams, CNP is a Nurse Practitioner in Medfield, Massachusetts. Qualified in 2021, 5 years ago. Practices with Mass General Brigham Medical Group Northern Massachusetts Inc, a 819-clinician group, works from 3 locations and offers telehealth. Licensed in Massachusetts.

Years since qualifying
5
Licensed in
MA
In the registry since
2021
Specialties on file
2
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

266 Main St Ste 4
Medfield, MA 02052-2018
Phone: (508) 359-8141
Show map & directions

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

Additional practice locations (2)

  • 71 Needham St, Newton, MA 02461-1663 — (508) 208-3063
  • 286 Washington St, Stoughton, MA 02072-1763 — (781) 341-2800

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 2324739 (MA)
Registered Nurse Taxonomy 163W00000X · Licence RN2324739 (MA)

Record details

NPI number1356934871
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedFebruary 16, 2021
Last updated in NPPESFebruary 13, 2026
Certification dateFebruary 13, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Mass General Brigham Medical Group Northern Massachusetts Inc — 819 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations8 on file with Medicare

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