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

Maryellen Sullivan, NP

Individual provider Adult Health Nurse Practitioner · NPI 1306812086

Maryellen Sullivan, NP is an Adult Health Nurse Practitioner in Waltham, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
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 →

Practice location Address checks out

950 Winter St
Waltham, MA 02451
Phone: (781) 472-8787
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 142612 (MA)

Record details

NPI number1306812086
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedFebruary 23, 2006
Last updated in NPPESSeptember 17, 2015
Mailing address1200 Centre St, Dept. Of Medicine, Roslindale, MA 02131-1011

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